Joint optimization algorithm for rapid inversion of single-layer surface dielectric parameters and roughness parameters based on radar backscattering measured data
A technology of backscattering coefficients and measured data, applied in the field of microwave remote sensing, can solve problems such as limited application range, slow calculation speed, and inability to guarantee the total inversion accuracy of multi-parameters, so as to broaden the application range, realize real-time prediction, and overcome calculation problems. long time effect
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0026] like figure 1 As shown in the figure, the joint optimization algorithm for fast inversion of single-layer surface dielectric parameters and roughness parameters based on the measured data of radar backscattering, the specific implementation steps are as follows:
[0027] Step 1: Obtain the co-polarization ratio according to the measured data of the backscatter coefficient of the surface radar
[0028] Step 2: Calculate the Small Slope Approximation (SSA) Backward Copolarization Ratio of Rough Surface Electromagnetic Scattering
[0029] p ( ε ′ , ε ′ ′ , θ i ) = σ hh 0 / σ vv 0 ...
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