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Formula (I-h) may be converted to formula (I-g) by removing protecting group PG³ using standard conditions for
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removing a carboxylic acid protecting group well known in the art.
Illustrated in Scheme 3 is a representative synthesis showing coupling of succinic anhydride with a formula (I-e) representative (i-e2) having particular A, L², L³, R²ᵃ, and R²ᵇ groups to produce (i-f1).
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The functionalized solid support of formula (I-e) (e.g., where R²ᵃ is hydrogen) may be further processed to provide additional intermediates of the invention by reaction with a compound of formula HO—C(O)-L⁷-OH or HO—C(O)-L⁷-OPG¹, to provide the functionalized solid support of formula
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(I), wherein R²ᵇ is C(O)-L⁷-OPG¹ or C(O)-L⁷-OH (i.e., R²ᵇ is C(O)-L⁵-PG¹ or C(O)-L⁵-H) in the form of formulas (I-j) and (I-j)
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(I-i)
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A L¹ O O P R¹ O L² n O P R¹ L³ N R²ᵃ O L⁷ OPG¹
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(I-j)
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A L¹ O O P R¹ O L² n O P R¹ L³ N R²ᵃ O L⁷ OH.
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US 12,461,028 B2
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wherein sign
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(x)={ 1, x>0
0, x=0
-1, x<0
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.
Further, obtaining multiple groups of sample ocean-atmosphere optical parameters comprises:
analyzing historical remote sensing data of the multi-angle polarized satellite to obtain a basic ocean-atmosphere optical parameter table, wherein the basic ocean-atmosphere optical parameter table comprises: a distribution, a maximum value, a minimum value, an average value and a standard deviation of each of fine/coarse mode aerosol optical thicknesses, aerosol complex refraction index real/imaginary parts, fine/ coarse mode aerosol particle size distribution radiuses, sea surface wind speeds, chlorophyll concentrations, yellow substance absorption coefficients, yellow substance absorption spectrum slopes and suspended particulate matter concentrations; and
selecting the multiple groups of sample ocean-atmosphere optical parameters based on the distribution, the maximum value, the minimum value, the average value and the standard deviation of each parameter in the basic ocean-atmosphere optical parameter table.
Further, inputting the multiple groups of sample ocean-atmosphere optical parameters and the sample observation geometry into the Ocean Successive Orders with Atmosphere-Advanced radiative transfer model, to output a vector apparent reflectance ρ⃗ TOA w of water-leaving radiance at top of atmosphere comprises:
calculating a scattering matrix F oc of open ocean water by following formula:
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F oc ≡ F oc (λ,Θ) = b w (λ)F w (Θ)+bₚₕ(λ)Fₚₕ(Θ)+b SPM (λ)F SPM (Θ) / b w (λ)+bₚₕ(λ)+b SPM (λ)
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wherein Θ is a scattering angle, b w (λ), bₚₕ(λ) and b SPM (λ) are scattering coefficients of pure seawater, phytoplankton and suspended particulate matter respectively, and F w (Θ), Fₚₕ(Θ) and F SPM (Θ) are scattering matrixes of pure seawater, phytoplankton and suspended particulate matter respectively.
Further, the ocean-atmosphere optical parameters further comprise concentration of inorganic particulate matter in water body,
calculating the concentration of inorganic particulate matter in water body by following formula:
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DoLP = √(ρʷ Q,BOA )² + (ρʷ U,BOA )² / ρʷ I,BOA
IPM = 1.469 ln(DoLP-44.498)+5.957
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wherein ρ⃗ l,BOA ʷ, ρ Q,BOA ʷ, ρ U,BOA ʷ are calculated through a polarization angle.
The present application provides a device for inverting ocean-atmosphere optical parameters. The device includes a memory and a processor coupled to the memory, the processor is configured to execute, based on instructions stored
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in the memory, steps of the above method for inverting ocean-atmosphere optical parameters.
The present application provides a storage medium comprising an executable program stored thereon, the executable
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program, when being executed, execute steps of the above method for inverting ocean-atmosphere optical parameters.
According to embodiments of this application, a vector apparent reflectance ρₗ, ρ Q , ρ U of water-leaving radiance at top of atmosphere and observation geometry of a multi-angle
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polarized satellite are obtained, and the vector apparent reflectance ρₗ, ρ Q , ρ U and the observation geometry are inputted into a trained ocean-atmosphere optical parameter model, to output a group of ocean-atmosphere optical parameters. The output ocean-atmosphere optical parameters
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include a vector apparent reflectance ρ⃗ BOA ʷ of water-leaving radiance at bottom of atmosphere above sea surface of the multi-angle polarized satellite, a fine/coarse mode aerosol optical thickness, a fine/coarse mode aerosol particle
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