资源简介
MIMICS模型matlab版本的,乌拉比那个模型,能用于植被覆盖区后向散射系数模拟
代码片段和文件信息
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;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%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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