## Microwave polarimetric backscattering from natural rough surfaces |

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### Contents

REVIEW OF CONVENTIONAL MODELS FOR BACKSCAT | 8 |

NUMERICAL SOLUTION FOR SCATTERING FROM ONE | 38 |

AN IMPROVEMENT OF PHYSICAL OPTICS MODEL | 75 |

4 other sections not shown

### Common terms and phrases

angular antenna approximated PO model autocorrelation function backscattered mean intensity backscattering coefficients boresight chapter computed conducting random surface correlation function correlation length cross-polarized ratio degree of correlation dielectric constant dielectric humps dielectric random surface distributed target empirical model evaluated exact PO solution exponential correlation Figure frequencies Fresnel reflection Fung given GO model Green's function height distribution HH-pol HH-polarization i/i-polarization impedance surface Incidence Angle Degrees Inversion diagram measured data method of moments moisture content Mueller matrix numerical solution obtained one-dimensional conducting random one-dimensional conducting surface phase difference physical optics polarization probability density function radar backscatter regions of validity rms height rms slope rough surface roughness parameters Sarabandi scattered field scattering amplitude scattering coefficient scattering matrix scattering models scatterometer shown in Fig small perturbation method soil moisture soil surfaces statistics surface parameters surface roughness surface sample two-dimensional Ulaby validity regions various values VV-pol X-band zeroth