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5badb63fbb8f1ca8cb99a144a6798be404c918f1 | proof: we want to prove that any solution | proof: we want to prove that any solution f: v → w {\displaystyle f\colon v\to w} to cauchy’s functional equation, f (x + y) = f (x) + f (y) {\displaystyle f(x+y)=f(x)+f(y)}, satisfies f (q v) = q f (v) {\displaystyle f(qv)=qf(v)} for any q ∈ q {\displaystyle q\in \mathbb {q} } and v ∈ v {\displaystyle v\in v}. let v ∈... | wikipedia |
af7bd9dbd1b6c2655e5bc20fd9f1d23c6e746276 | a simple argument, involving only elementary algebra, demonstrates | a simple argument, involving only elementary algebra, demonstrates that the set of additive maps f: v → w {\displaystyle f\colon v\to w}, where v, w {\displaystyle v,w} are vector spaces over an extension field of q {\displaystyle \mathbb {q} }, is identical to the set of q {\displaystyle \mathbb {q} } -linear maps fro... | wikipedia |
83737a30a28ef6377086c47d0f87e04265f44e26 | this equation is sometimes referred to as cauchy's | this equation is sometimes referred to as cauchy's additive functional equation to distinguish it from cauchy's exponential functional equation f (x + y) = f (x) f (y), {\displaystyle f(x+y)=f(x)f(y),} cauchy's logarithmic functional equation f (x y) = f (x) + f (y), {\displaystyle f(xy)=f(x)+f(y),} and cauchy's multip... | wikipedia |
e9b296ddfe78ff70d098158200b94cf7cd13712b | the fifth problem on hilbert's list is a | the fifth problem on hilbert's list is a generalisation of this equation. functions where there exists a real number c {\displaystyle c} such that f (c x) ≠ c f (x) {\displaystyle f(cx)\neq cf(x)} are known as cauchy-hamel functions and are used in dehn-hadwiger invariants which are used in the extension of hilbert's t... | wikipedia |
dd5e3452b1bf6a8d037a845bb2a3ec8405f26a91 | on the other hand, if no further conditions | on the other hand, if no further conditions are imposed on f, {\displaystyle f,} then (assuming the axiom of choice) there are infinitely many other functions that satisfy the equation. this was proved in 1905 by georg hamel using hamel bases. such functions are sometimes called hamel functions. | wikipedia |
fb168bc0dbfc7fbaff120c4fcef78e7480bb5c71 | a function f {\displaystyle f} that solves this | a function f {\displaystyle f} that solves this equation is called an additive function. over the rational numbers, it can be shown using elementary algebra that there is a single family of solutions, namely f: x ↦ c x {\displaystyle f\colon x\mapsto cx} for any rational constant c. {\displaystyle c.} over the real num... | wikipedia |
dc90c2e7b2f0b9734c2d473bd25984b48a620998 | caitra is a translation computer assisted tool, or | caitra is a translation computer assisted tool, or cat, developed by the university of edinburgh. provided from an online platform, caitra is based on ajax web.2 technologies and the moses decoder. the web page of the tool is implemented with ruby on rails, an open source web framework, and c++. caitra assists human tr... | wikipedia |
07d374aa094ca4619a70c225cfb699b642dd37dd | caitra stores the allotted time in which the | caitra stores the allotted time in which the users accept a prediction or write their own translation.the actions have different importance for the future predictions depending on the user's actions and in the time they need to perform their translation. every action, pause or movement is relevant in order to improve f... | wikipedia |
b53224c95352286e98bff506c5af901cb9a35f76 | once the text is uploaded, users can see | once the text is uploaded, users can see the result of the machine translation and edit the text based on the predictions. the prediction table is displayed by clicking the edit icon. the text is divided into sentences, which are also divided into smaller units. predictions for these units appear in a box, and the most... | wikipedia |
c61227dde3d6d3d5a7a6f971402567d1d4ea7897 | the statistical translation system is followed to generate | the statistical translation system is followed to generate the predictions for translation. these predictions are provided in short phrases, according to the statistical phrase-based translation model. this model also makes it easier for the user to read the predictions. the suggestions and user actions are stored in a... | wikipedia |
8065ad30d11f0f876ed14e59b9636b568f07edac | the trans-type project (langlais et al., 2000) has | the trans-type project (langlais et al., 2000) has done an investigation about interactive machine translation, consisting of sentence-segment translation aided by a cat tool, which suggests several different options for the translation. the human translators may choose one of them or provide their own translation if t... | wikipedia |
91a6661d8a03e6f6834f3a60afcaab362bbe42f8 | the user inputs text into the provided text | the user inputs text into the provided text box. caitra processes the text as the user clicks the "upload" icon. the process may last a few minutes, and caitra will find different options for the translation, one of them is taken by default. once the process is finished, translators have multiple options of assistance,... | wikipedia |
47336ec16030d561b3a6e5aaced0ef317a23afa2 | caitra is programmed with an open-source web framework, | caitra is programmed with an open-source web framework, ruby on rails (thomasand hansson, 2008). the online platform uses ajax-style web 2.0 technologies (raymond, 2007) connected to a mysql database-driven back-end. the machine translation back-end is powered by the statistical sentence-based mt, moses (koehn et al., ... | wikipedia |
6cac738dc7f6685c8223926361145c3103e73b95 | machine translation (mt) systems are typically used by | machine translation (mt) systems are typically used by readers who do not need a thorough translation and want quick access to the foreign language. professional translators usually require advanced machine translation tools to make their work easier and to give a higher quality translation to their clients.the trans-t... | wikipedia |
df8238b1fb85e75dd446e34ae0935c30b0eee679 | caitra is a translation computer assisted tool, or | caitra is a translation computer assisted tool, or cat, developed by the university of edinburgh. provided from an online platform, caitra is based on ajax web.2 technologies and the moses decoder. the web page of the tool is implemented with ruby on rails, an open source web framework, and c++. | wikipedia |
c416f44a924c5fe8940d8b6a4a802dffe9079149 | coordinate-free treatments were the only available approach to | coordinate-free treatments were the only available approach to geometry (and are now known as synthetic geometry) before the development of analytic geometry by descartes. after several centuries of generally coordinate-based exposition, the modern tendency is generally to introduce students to coordinate-free treatmen... | wikipedia |
6b2f05b06fba3b273aacd9e4d87f8dbdd0e21d22 | nonetheless it may sometimes be too complicated to | nonetheless it may sometimes be too complicated to proceed from a coordinate-free treatment, or a coordinate-free treatment may guarantee uniqueness but not existence of the described object, or a coordinate-free treatment may simply not exist. as an example of the last situation, the mapping v i ↦ v i ∗ {\displaystyle... | wikipedia |
d386e41ab230a49c2a5bf67d3d365fdf393d9517 | in addition to elegance, coordinate-free treatments are crucial | in addition to elegance, coordinate-free treatments are crucial in certain applications for proving that a given definition is well formulated. for example, for a vector space v {\displaystyle v} with basis v 1,..., v n {\displaystyle v_{1},...,v_{n}}, it may be tempting to construct the dual space v ∗ {\displaystyle v... | wikipedia |
294efa8f238e91f5529422f740d0c6ca92317da6 | the station consists of one ground level side | the station consists of one ground level side platform and one ground level island platform, connected by a footbridge. the station has a midori no madoguchi staffed ticket office. a jnr class c12 steam locomotive is preserved in the plaza outside the station's east entrance. | wikipedia |
42810549c5c6849967cd53541343c9c60ef240de | chino station (茅野駅, chino-eki) is a railway station | chino station (茅野駅, chino-eki) is a railway station on the chūō main line in the city of chino, nagano, japan, operated by east japan railway company (jr east). | wikipedia |
c0625b30913265edae0f2bbf5b525b8a2828ce1c | in graph drawing, a clustered planar graph is | in graph drawing, a clustered planar graph is a graph together with a hierarchical clustering on its vertices, such that the graph can be drawn together with a collection of simple closed curves surrounding each cluster with no crossings between graph edges or clusters. the clustering can be described combinatorially b... | wikipedia |
9928e06d82fb18be971b79e0f6849a5798b1b413 | in a clustered planar drawing, no two edges | in a clustered planar drawing, no two edges may cross each other, no two of the curves representing clusters may cross each other, an edge may cross a cluster boundary only if it connects a vertex inside the cluster to a vertex outside the cluster, and when an edge and cluster boundary cross they may cross only once. a... | wikipedia |
e0863e408bc0d3a5f25910df4a4949082d227fc7 | the clustering can be described combinatorially by a | the clustering can be described combinatorially by a collection of subsets of the vertices such that, for each two subsets, either both are disjoint or one is contained in the other. it is not required that the clustering be maximal nor that every vertex belong to a cluster.in a clustered planar drawing, no two edges m... | wikipedia |
7317891ba7e4f11682fb5c85da8c6b67523b26d5 | dvd authoring is the process of creating a | dvd authoring is the process of creating a dvd video capable of playing on a dvd player. dvd authoring software must conform to the specifications set by the dvd forum. dvd authoring is the second step in the process of producing finished dvds. the first step is the creation of the movie and the second, the authoring, ... | wikipedia |
38a93deb6519e1a1e78df1e44a3efc95239851ab | sonic developed dvdit, an application that started selling | sonic developed dvdit, an application that started selling below $500. it used only a small part of the whole dvd specification and presented it in a form that didn't require any knowledge of internal dvd structure. later, this form became the building block of many other simplified consumer dvd applications. oem licen... | wikipedia |
a024895153593cc9dc2aa6622da38e926c81ba9e | sonic, a united states corporation, has a major | sonic, a united states corporation, has a major share in the market for selling dvd-authoring tools. they previously manufactured computer based audio recording applications, but realized that at some point dvd recorders would become as widely available as cd recorders and that there was no affordable application for t... | wikipedia |
c2c789c6315395b4302d0fbce9306f801f999639 | daikin, a large japanese air conditioning and refrigeration | daikin, a large japanese air conditioning and refrigeration contracting company, developed scenarist, a high-end dvd authoring software package. daikin has partnered with sonic solutions for development and marketing in the united states. the software was translated to english and has since become the standard for dvd ... | wikipedia |
2a4eb631c8c14ac24cab5c0dd2877ddbda344886 | many different dvd authoring applications have been created. | many different dvd authoring applications have been created. many high-end authoring applications evolve in-house in companies such as matsushita, philips, sony, and toshiba. such companies strictly forbid the sale of their systems outside each company: internal and dvd laboratories or movie studio partners use them to... | wikipedia |
a550c61d632ceeb4d3bbf7c8a6df50570f944699 | the dvd specifications were written in japanese and | the dvd specifications were written in japanese and then translated to other languages such as english. this process has resulted in text that can be difficult to interpret, and to this day, many companies interpret various parts of the specifications in different ways. this is the primary reason dvd players from diffe... | wikipedia |
873be8e9c42b2786480ccd1cba9c06287968537f | to develop a dvd application (software or hardware), | to develop a dvd application (software or hardware), one must first license the particular book of dvd specifications from dvd format/logo licensing corporation. the different dvd formats have different books. each book contains hundreds of pages and costs approximately $5000. after obtaining this license, the develope... | wikipedia |
754ed4f91cf2acced63f295bf40e54f698109147 | strictly speaking, dvd authoring differs from the process | strictly speaking, dvd authoring differs from the process of mpeg encoding, but as of 2009 most dvd authoring software has a built-in encoder, although separate encoders are still used when better quality or finer control over compression settings are required. | wikipedia |
04d9a8994dfc8d983f8c02bdec00d8b13edb607c | dvd authoring is the second step in the | dvd authoring is the second step in the process of producing finished dvds. the first step is the creation of the movie (or programme) and the second, the authoring, is the creation of artwork, user menus, insertion of chapter points, overdubs/commentaries, setting autoplay and/or repeat options, etc. the final step is... | wikipedia |
2b03077d25a172ea9feb478b97b3170f070dfbd8 | lykes work has focused on understanding the impact | lykes work has focused on understanding the impact of state-sponsored violence and terror. she has worked mostly in central america, in particular with the maya peoples of guatemala. she has used participatory action research and oral history as her primary research methods. she is the co-founder of the martín-baró fun... | wikipedia |
0b3ae9b218a755f5c63210f8b97e3a43612c6f82 | lykes originally hailed from new orleans. she obtained | lykes originally hailed from new orleans. she obtained her first ba degree from hollins university before proceeding to harvard university where she obtained an m.div. in applied theology. she obtained a ph.d. in community psychology from boston college. | wikipedia |
a31b69f4be0d8aee538e80757785eed328792fdd | dean keith simonton is a distinguished professor emeritus | dean keith simonton is a distinguished professor emeritus based in davis, california, affiliated with the department of psychology at the university of california, davis. simonton is known for his research in the fields of genius, creativity, leadership, and aesthetics. his work focus into the cognitive, personal, deve... | wikipedia |
0f372c40a0a71ce9c27bbd19f139ee12055d4d68 | one of his findings was that the 10 | one of his findings was that the 10 years' experience of deliberate practice is not a rule, but an average with significant variation around the mean. he found that the people who achieved the greatest lifetime productivity and highest levels of eminence required the least amount of time to achieve expertise. he also f... | wikipedia |
998f36484fc68353b4c7779eb9e2408c9bab2d20 | simonton's research examines cognitive, personal, developmental, social, and | simonton's research examines cognitive, personal, developmental, social, and cultural factors that underpin eminence and creativity. he employs archival data analysis techniques, including cross-cultural, transhistorical, biographical, and content analytical measures. his historiometric analyses shed light on eminent p... | wikipedia |
50b510b9810e51ada0358989e6e8efd8213eb012 | simonton served as the president of the society | simonton served as the president of the society for general psychology (apa division 1), the society for the psychology of aesthetics, creativity, and the arts (apa division 10), and the society for the history of psychology (apa division 26). | wikipedia |
24270d9949966a777e95fb7fe8e3616974b9e86e | before joining the faculty at uc davis, he | before joining the faculty at uc davis, he held positions as an assistant professor at the university of arkansas, fayetteville, and as a teaching fellow at harvard university. he also served as a section leader in the history of civilization at occidental college from 1969 to 1970. | wikipedia |
f598c5a7e2886f306cd3406d995608707301b023 | since 2016, simonton has served as a distinguished | since 2016, simonton has served as a distinguished professor emeritus in the department of psychology at the university of california, davis. in 2013, simonton was honored as the ida cordelia beam distinguished visiting professor at the university of iowa. | wikipedia |
bb1e71ac14201579da4ae222d63a396e505d1c00 | he furthered his education at harvard university, earning | he furthered his education at harvard university, earning a master of arts in social psychology in 1973, followed by a ph.d. in social psychology in 1975. during his time at harvard, simonton received fellowships from the national science foundation and the danforth foundation. | wikipedia |
43900553848edb01e29d78de6c9ea803ef0ad94a | dean keith simonton is a distinguished professor emeritus | dean keith simonton is a distinguished professor emeritus based in davis, california, affiliated with the department of psychology at the university of california, davis. simonton is known for his research in the fields of genius, creativity, leadership, and aesthetics. his work focus into the cognitive, personal, deve... | wikipedia |
e4d4ba5024fd93ada186d6c1ac78c261cdd65db9 | camilla bellone is an italian neuroscientist and assistant | camilla bellone is an italian neuroscientist and assistant professor in the department of basic neuroscience at the university of geneva, in switzerland. bellone's laboratory explores the molecular mechanisms and neural circuits underlying social behavior and probes how defects at the molecular and circuit level give r... | wikipedia |
036501dd20b32bd5c5e38fb88015c2f6b2e92a9a | in a recent collaboration with researchers at unil, | in a recent collaboration with researchers at unil, bellone explored neuroimmune and μ-opioid receptor-driven effects on sociability. they found that μ-opioid receptor activation causes microglial release of tnf-a, a pro-inflammatory cytokine. when tnf-a binds to its receptor on neurons, this leads to a subsequent redu... | wikipedia |
c48590ada68fc54f121934659707b47dd5a341ae | following this finding, bellone and her colleagues worked | following this finding, bellone and her colleagues worked to develop a disease model of asd with which to probe social neural circuit function. using shrna, they modelled shank3, a synapse scaffolding protein known to be implicated in asd phenotypes, insufficiency in the vta of mice. they found that mice exhibited impa... | wikipedia |
acb4cfc4b351a33ac222b8c0bc6bff6fd90ef758 | bellone sought to explore the connection between altered | bellone sought to explore the connection between altered synaptic proteins and impaired social behaviors, merging her previous research experience with her new independent career interests. reading genetic studies of autism spectrum disorder (asd), bellone found that many genes associated with asd are implicated in sca... | wikipedia |
ef4a0c3bcfc06d024920c501e8493cc57f7b930d | bellone is on the editorial board for the | bellone is on the editorial board for the european journal of neuroscience, a reviewer for nat. neurosci., j. neuroscience, neuroscience, addiction biology, neural plasticity, frontiers, and pnas, on the editorial board for scientific reports, responsible for the unit "comment notre environnement influence-t-il la pris... | wikipedia |
059459a64413c2fb499653b6caceae2641fb2420 | bellone joined the 2016 nccr-synapsy project, an initiative | bellone joined the 2016 nccr-synapsy project, an initiative started in 2010 to understand the synaptic bases of mental diseases by bringing together basic scientists with clinical scientists in an effort to create translational collaborations. bellone collaborates closely with psychiatrists and clinical scientists to i... | wikipedia |
5464ce3b6aa61cfb1aa387a032edbb31db233d76 | bellone applied for a position back at the | bellone applied for a position back at the university of geneva. she was offered a position in 2016 as a tenure-track assistant professor to the department of basic neuroscience at the university of geneva. bellone's lab at the university of geneva continues to probe the dopaminergic neural circuits underlying social b... | wikipedia |
cb52b28f031e1dfdc35ecd23628a18a17eed0b77 | in 2014, bellone applied to the university of | in 2014, bellone applied to the university of lausanne to start her own lab. funded by the swiss national science foundation, bellone became an assistant professor in the department of fundamental neuroscience at the university of lausanne. her lab at unil focused on understanding the development of the brain's reward ... | wikipedia |
269efd87f59b195603fb0b94907605701ba67a47 | in 2010, bellone was awarded the ambizione grant | in 2010, bellone was awarded the ambizione grant from the swiss national science foundation, a grant meant to support young researchers in starting their own independent projects at swiss higher education institutions. for bellone, this grant helped her to transition towards an independent career in neuroscience. bello... | wikipedia |
83611cffb9719ceaba50b86e6ad2f633e09dde08 | in 2007, bellone returned to switzerland planning to | in 2007, bellone returned to switzerland planning to pursue a career in academia. from 2007 until 2011, bellone worked in lüscher's lab as a maître assistante where she began to transition from the mentored-phase of her career to an independent career. during her further training in the lüscher lab, bellone explored th... | wikipedia |
bd1c7ee3b52a88cbd5c0cd95f505bf294e21b921 | bellone completed her phd and joined the lab | bellone completed her phd and joined the lab of roger nicoll at the university of california, san francisco. shortly after joining the nicoll lab, bellone published a first author paper in neuron exploring the trafficking of nmda receptors in hippocampal pyramidal cells in newborn mice. bellone found that synaptic acti... | wikipedia |
fafd6a1b45ebc9bfb085ba6d088fb81b1c99fdf9 | bellone stayed at the university of milano to | bellone stayed at the university of milano to begin her graduate studies exploring the molecular biology and structural composition of the synapse. bellone realized that she wanted to go beyond protein-protein interactions and explore synaptic activity and dynamic function. bellone reached out to christian lüscher at t... | wikipedia |
943c1786a17d760921ec4da24fd1b75f04f063a9 | bellone was born in italy in 1975. bellone | bellone was born in italy in 1975. bellone studied pharmacology at the university of milano in 1998, and found a mentor in monica di luca, a neuropharmacologist. she completed her master's in pharmacy. bellone became fascinated by neuroscience and developed a passion for answering the many unknown questions about brain... | wikipedia |
b773253b10ec8e0be4ec798fd959f020eb9c0d2b | camilla bellone (born c. 1975) is an italian | camilla bellone (born c. 1975) is an italian neuroscientist and assistant professor in the department of basic neuroscience at the university of geneva, in switzerland. bellone's laboratory explores the molecular mechanisms and neural circuits underlying social behavior and probes how defects at the molecular and circu... | wikipedia |
3b2a5f753c286ef161438f764bdbc1472266f51e | the continental o-190 is a series of engines | the continental o-190 is a series of engines made by continental motors beginning in the 1940s. of flat-four configuration, the engines produced 75 hp (56 kw) or 85 hp (63 kw) respectively. the two variants shared the same bore, stroke and compression ratio. the c85 produced ten extra horsepower by virtue of having a m... | wikipedia |
5872e194f135d206508e9598688868d7745f168a | the continental o-190 (company designations c75 and c85) | the continental o-190 (company designations c75 and c85) is a series of engines made by continental motors beginning in the 1940s. of flat-four configuration, the engines produced 75 hp (56 kw) or 85 hp (63 kw) respectively. | wikipedia |
a0e46ca380879d7815732d1bc746b6426a3a828c | brian arthur sellick (1918–1996) was a british anaesthetist. | brian arthur sellick (1918–1996) was a british anaesthetist. he was known for cricoid pressure, he described in 1961. this manoeuvre is named after him. sellick worked as an anaesthetist at middlesex hospital. there he demonstrated the efficacy of his invention using a cadaver with full stomach placed in the trendelenb... | wikipedia |
b86335c0aa2bfa06238dab29c136db6fcc2cab4e | in enzymology, a diacylglycerol cholinephosphotransferase is an enzyme | in enzymology, a diacylglycerol cholinephosphotransferase is an enzyme that catalyzes the chemical reaction thus, the two substrates of this enzyme are cdp-choline and 1,2-diacylglycerol, whereas its two products are cmp and phosphatidylcholine. | wikipedia |
49a6b94d492ee8a3c6d91b09a379afbee7b122ba | in electronics, a common-emitter amplifier is one of | in electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (bjt) amplifier topologies, typically used as a voltage amplifier. it offers high current gain, medium input resistance and a high output resistance. the output of a common emitter amplifier is inverted; i.e. for a... | wikipedia |
aa0bc81ddafd5d79fdb917ad0125f4af45d38bca | common-emitter amplifiers are also used in radio frequency | common-emitter amplifiers are also used in radio frequency circuits, for example to amplify faint signals received by an antenna. in this case it is common to replace the load resistor with a tuned circuit. this may be done to limit the bandwidth to a narrow band centered around the intended operating frequency. more i... | wikipedia |
dcaf8a405d49c1211889b9e623491c45b1b3d0e2 | the input capacitor c removes any dc component | the input capacitor c removes any dc component of the input, and the resistors r and r bias the transistor so that it will remain in active mode for the entire range of the input. the output is an inverted copy of the ac component of the input that has been amplified by the ratio r / r and shifted by an amount determin... | wikipedia |
6c3cc7511bd24cb2ccdf80e1695700ea0b5c7fdf | current gain in the common emitter circuit is | current gain in the common emitter circuit is obtained from the base and the collector circuit currents. because a very small change in base current produces a large change in collector current, the current gain (β) is always greater than unity for the common-emitter circuit, a typical value is about 50. | wikipedia |
ea130cf44259ba83676a8e6eeb6fc1db7725d0e7 | the common-emitter circuit is the most widely used | the common-emitter circuit is the most widely used of junction transistor amplifiers. as compared with the common-base connection, it has higher input impedance and lower output impedance. a single power supply is easily used for biasing. in addition, higher voltage and power gains are usually obtained for common-emitt... | wikipedia |
fb8e90431f4ce074fab8e8f9d2a66e8ad35833c1 | it is also named common-emitter amplifier because the | it is also named common-emitter amplifier because the emitter of the transistor is common to both the input circuit and output circuit. the input signal is applied across the ground and the base circuit of the transistor. the output signal appears across ground and the collector of the transistor. since the emitter is ... | wikipedia |
d32cfa454ffc81d851be0027bd4434981f4e2e97 | the miller effect negatively affects the performance of | the miller effect negatively affects the performance of the common source amplifier in the same way (and has similar solutions). when an ac signal is applied to the transistor amplifier it causes the base voltage vb to fluctuate in value at the ac signal. the positive half of the applied signal will cause an increase i... | wikipedia |
ee3d9b7209ceaedc3b7e0ac17204c1ff75a77d5f | the bandwidth of the common-emitter amplifier tends to | the bandwidth of the common-emitter amplifier tends to be low due to high capacitance resulting from the miller effect. the parasitic base-collector capacitance c cb {\displaystyle c_{\text{cb}}\,} appears like a larger parasitic capacitor c cb (1 − a v) {\displaystyle c_{\text{cb}}(1-a_{\text{v}})\,} (where a v {\disp... | wikipedia |
702daef1baf63d9afd3e6cccf000170b74714180 | if the emitter degeneration resistor is not present, | if the emitter degeneration resistor is not present, then r e = 0 Ω {\displaystyle r_{\text{e}}=0\,\omega }, and the expressions effectively simplify to the ones given by the rightmost column (note that the voltage gain is an ideal value; the actual gain is somewhat unpredictable). as expected, when r e {\displaystyle ... | wikipedia |
849b69ef53e0fdd3d427c12e9dd6b3825d514b5a | (while this is often described as " negative | (while this is often described as " negative feedback ", as it reduces gain, raises input impedance, and reduces distortion, it predates the invention of the negative feedback amplifier and does not reduce output impedance or increase bandwidth, as a true negative feedback amplifier would do.) | wikipedia |
de6e668ec26d992c985fc3293b0513f8b18be3eb | the voltage gain depends almost exclusively on the | the voltage gain depends almost exclusively on the ratio of the resistors r c / r e {\displaystyle r_{\text{c}}/r_{\text{e}}} rather than the transistor's intrinsic and unpredictable characteristics. the distortion and stability characteristics of the circuit are thus improved at the expense of a reduction in gain. | wikipedia |
d1c11cef84e8ddfb37d13ca38db2255738bafed3 | other problems associated with the circuit are the | other problems associated with the circuit are the low input dynamic range imposed by the small-signal limit; there is high distortion if this limit is exceeded and the transistor ceases to behave like its small-signal model. one common way of alleviating these issues is with emitter degeneration. this refers to the ad... | wikipedia |
e67a616624241690da6627727b485b8242185301 | common-emitter amplifiers give the amplifier an inverted output | common-emitter amplifiers give the amplifier an inverted output and can have a very high gain that may vary widely from one transistor to the next. the gain is a strong function of both temperature and bias current, and so the actual gain is somewhat unpredictable. stability is another problem associated with such high... | wikipedia |
dd0eb453fb7d5daf5fed5974188e2e95714a910e | in this circuit, the base terminal of the | in this circuit, the base terminal of the transistor serves as the input, the collector is the output, and the emitter is common to both (for example, it may be tied to ground reference or a power supply rail), hence its name. the analogous fet circuit is the common-source amplifier, and the analogous tube circuit is t... | wikipedia |
3a8399f2cfdd7d167b1707a69890f7b1103faa9b | in electronics, a common-emitter amplifier is one of | in electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (bjt) amplifier topologies, typically used as a voltage amplifier. it offers high current gain (typically 200), medium input resistance and a high output resistance. the output of a common emitter amplifier is inve... | wikipedia |
ae2216dc660426c51621618882a7df14fa2e719d | the continental o-470 engine is a family of | the continental o-470 engine is a family of carbureted and fuel-injected six-cylinder, horizontally opposed, air-cooled aircraft engines that was developed especially for use in light aircraft by continental motors. engines designated "io" are fuel-injected. the family also includes the e165, e185, e225 and the e260 en... | wikipedia |
615c6a5124408aa46f99d16c4c0dfb1fa7424f8b | the o-470 family of engines covers a range | the o-470 family of engines covers a range from 213 hp (159 kw) to 260 hp (194 kw). the engines were developed in the late 1940s and certification was applied for on 23 october 1950 on the regulatory basis of part 13 of the us civil air regulations effective 1 august 1949 as amended by 13-1. the first o-470 model was c... | wikipedia |
77515cfb57d2d82ab579ac6c44447e736cd0e10d | the first engine in this series was the | the first engine in this series was the e165, a 471 cubic inch (7.7 l) engine producing 165 hp (123 kw), and was the first of the continental's "e" series engines. later versions were given the company designation of e185 (185 hp (138 kw) continuous) and e225 (225 hp (168 kw)). when the us military gave them all the de... | wikipedia |
963dbe8de506e2fb370fa763060def6438f498cc | the continental o-470 engine is a family of | the continental o-470 engine is a family of carbureted and fuel-injected six-cylinder, horizontally opposed, air-cooled aircraft engines that was developed especially for use in light aircraft by continental motors. engines designated "io" are fuel-injected. | wikipedia |
0a8abb9340c7c974def12acf20dea444e62e5276 | conducted emissions are the effects in power quality | conducted emissions are the effects in power quality that occur via electrical and magnetic coupling, electronic switch of semiconductor devices, which form a part of electromagnetic compatibility issues in electrical engineering. these affect the ability of all interconnected system devices in the electromagnetic envi... | wikipedia |
2712fbe138bd54aa7cb2a624844cf6266c64605b | conducted emissions are the effects in power quality | frequency range is termed supraharmonics. further, following the advancements in telecommunications engineering, the presence of electronic devices has gradually increased in the ac mains grid network towards having more semiconductor based switch devices, giving rise to further electromagnetic interference issues due... | wikipedia |
4cd000c5732846bb704d6d8e32a3b2c0d8b8eb86 | as per thais.m.mendes et al., the effects of | as per thais.m.mendes et al., the effects of supraharmonic emissions are confined to neighboring devices and do not propagate over long distances. defining the measurement window and analysis window is one of the appropriate way to standardize conducted emissions. measurements as per iec 61000-4-7, iec 61000-4-30, iec-... | wikipedia |
495c32e1958464f05829e7b2189522d1e355094f | this frequency bandwidth is in the range of | this frequency bandwidth is in the range of 2–150 khz and is termed as supraharmonics. the frequency bandwidth was previously ignored and was considered as a gap between radiated emission and conducted emission. the current research suggest that much effort is being given to understand measurement methods for supraharm... | wikipedia |
a86402d2b26a9651afb8c2973369351c471a600c | this frequency bandwidth is in the range of | this frequency bandwidth is in the range of 0–2 khz and is equivalent to the same frequency range as ac harmonics. the name suggest that lower amount of conducted emissions are expected due to advancements in filters. it is widely accepted among researchers that the %lfsd value should be sufficient to address the dc ha... | wikipedia |
b990702f9c9dcbb24a3755c03537bc12c884c3ac | other issues with power quality in dc mains | other issues with power quality in dc mains are to do with frequency range for conducted emissions in the electromagnetic spectrum. in the range of 0–2 khz, commonly termed as garbage band, the dc harmonic quantity is calculated using an analogue of ac harmonics in frequency domain. however, as per the expected interac... | wikipedia |
538c11b163b71963a70c241e482bfa091107aa12 | unlike ac, dc has no fundamental frequency or | unlike ac, dc has no fundamental frequency or period and hence there cannot be a multiple of the fundamental frequency over which harmonics can be calculated. further, the frequency range over which dc harmonics are calculated might not be the same as ac harmonics. much of research covering dc harmonics suggest use of ... | wikipedia |
c716fe78a7b1249124f152d5c471c2c2fd37a046 | for alternating current technology has been well established | for alternating current technology has been well established in the modern world, the parameter for measuring conducted emissions is well understood and is called total harmonic distortion (%thd). it measures power quality of ac mains for different voltage levels as described in common emc test standards. by definition... | wikipedia |
72b8915694ef4bcb03c1e25c90c131c39272b258 | electric power quality in ac mains is well | electric power quality in ac mains is well developed and established with empirical data gathered over a century. many parameters exist to determine and calculate the harmonic along with the noise. concerning dc mains, much of the dc technology research for electric power distribution was abandoned in the 1920s after i... | wikipedia |
57c22d64f2724b3acefd3c38d5b859be8817b56e | conducted emissions in electric supply system could be | conducted emissions in electric supply system could be described as non-linearity or deviations observed in electric parameters. in ac, the variations are observed in the harmonics, while in dc they are observed as non linearity observed in time-domain and unexpected frequency peaks in frequency domain. the effects of ... | wikipedia |
9eeefb20e6df0494a57dbc208e6276c607ca4d95 | technically, conducted emissions may be described as noise | technically, conducted emissions may be described as noise in the electric current or voltage generated by the electrical appliance or its susceptibility to it. the main difference between signal noise and emissions is that noise exists in a finite energy signal while emission exists in a finite power signal. as noise ... | wikipedia |
8db9959395da4c36c80527b6cfcc7da412dd7d49 | further, following the advancements in telecommunications engineering, the | further, following the advancements in telecommunications engineering, the presence of electronic devices has gradually increased in the ac mains grid network towards having more semiconductor based switch devices, giving rise to further electromagnetic interference issues due to conducted emissions in the near and far... | wikipedia |
1459dc1e5cadc42231b7be5a570d59ff581c1942 | following the effects of conducted emissions, the electric | following the effects of conducted emissions, the electric power quality is classified separately in common ac mains and dc mains systems. since alternating current technology has been well established, the parameters and the effects in power quality in ac are well established. the parameter for measuring ac power qual... | wikipedia |
00ae9ab7be0685d64e6f12984fd52633bf098a1f | conducted emissions consist a part of electromagnetic interference | conducted emissions consist a part of electromagnetic interference in circuits that mainly create issues in delivered power quality, owing to interference caused by harmonics arising due to linear & non linear loads present in the electric system mainly due to increasing presence of switched mode power supply and other... | wikipedia |
cdbae753086943fda88d9a216d0e961b85f92b2f | conducted emissions are the effects in power quality | conducted emissions are the effects in power quality that occur via electrical and magnetic coupling, electronic switch of semiconductor devices, which form a part of electromagnetic compatibility issues in electrical engineering. these affect the ability of all interconnected system devices in the electromagnetic envi... | wikipedia |
fbe490233c1f18fdd5b5deb7dbd808316dbd1da5 | cobalt-precorrin-5b (c1)-methyltransferase (ec 2.1.1.195), cobalt-precorrin-6a synthase, cbid (gene)) | cobalt-precorrin-5b (c1)-methyltransferase (ec 2.1.1.195), cobalt-precorrin-6a synthase, cbid (gene)) is an enzyme with systematic name s-adenosyl-l-methionine:cobalt-precorrin-5b (c1)-methyltransferase. this enzyme catalyses the following chemical reaction this enzyme catalyses the c-1 methylation of cobalt-precorrin-... | wikipedia |
9e3071a460844c890aaf3f3b86cfad190de2d2ee | this enzyme catalyses the c-1 methylation of cobalt-precorrin-5b | this enzyme catalyses the c-1 methylation of cobalt-precorrin-5b in the anaerobic pathway of adenosylcobalamin biosynthesis in bacteria such as salmonella typhimurium, bacillus megaterium, and propionibacterium freudenreichii subsp. shermanii. | wikipedia |
b85190a0aff57db813a660e0c88b6e3cd778db18 | cobalt-precorrin-5b (c)-methyltransferase (ec 2.1.1.195), cobalt-precorrin-6a synthase, cbid (gene)) | cobalt-precorrin-5b (c)-methyltransferase (ec 2.1.1.195), cobalt-precorrin-6a synthase, cbid (gene)) is an enzyme with systematic name s-adenosyl-l-methionine:cobalt-precorrin-5b (c)-methyltransferase. this enzyme catalyses the following chemical reaction | wikipedia |
88d21510b59cd2f6ef8528e6176f5749458875e2 | in functional programming, continuation-passing style (cps) is a | in functional programming, continuation-passing style (cps) is a style of programming in which control is passed explicitly in the form of a continuation. this is contrasted with direct style, which is the usual style of programming. gerald jay sussman and guy l. steele, jr. coined the phrase in ai memo 349 (1975), whi... | wikipedia |
e07ed0b08ab0ee0fae5b63c7d0a0a4deaa05196b | john c. reynolds gives a detailed account of | john c. reynolds gives a detailed account of the numerous discoveries of continuations. a function written in continuation-passing style takes an extra argument: an explicit "continuation"; i.e., a function of one argument. when the cps function has computed its result value, it "returns" it by calling the continuation... | wikipedia |
58c507cb5c0186bb429d91d4416d4a3157322748 | in mathematics, the curry–howard isomorphism between computer programs | in mathematics, the curry–howard isomorphism between computer programs and mathematical proofs relates continuation-passing style translation to a variation of double-negation embeddings of classical logic into intuitionistic (constructive) logic. unlike the regular double-negation translation, which maps atomic propos... | wikipedia |
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