MIMICS微波散射模型，matlab版本

function sigma_back=MIMICS（LAIMv）

RH=1.2*10^（-2）;%rms height均方差高度
CL=12.5*10^（-2）;%correlation length相关长度
C=3*10^8;%光速常数
F=5.3*10^9;%频点
Er=41.84*Mv+5.04+i*（4.16+1.6*Mv）;%介质介电常数
N=100;
Ur=1;%磁导率
Thete=20/180*pi;
KA=2*pi/（C/F）;%空气air的波数
KT=sqrt（Ur*Er）*KA;

KL=KA*CL;
KR=KA*RH;

%KL=8;
%KR=0.1;
%Tx=1;
%for thete=0:1:90
%    Thete=thete/180*pi;
%    ttex（Tx1）=thete;
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    %垂直和水平反非聂耳射系数
    rhh=（Er*cos（Thete）-sqrt（Er-sin（Thete）^2））  /  （Er*cos（Thete）+sqrt（Er-sin（Thete）^2））;%c垂直极化非聂耳反射系数
    rvv=  （cos（Thete）-sqrt（Er-sin（Thete）^2））   /    （cos（Thete）+sqrt（Er-sin（Thete）^2））;%水平极化非聂耳反射系数
    Rvv=rhh;%abs（rvv）^2;
    Rhh=rvv;%abs（rhh）^2;
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