getrp.m

来自「用于目标识别的核辨别分析程序」· M 代码 · 共 18 行

% obtain range profile
function rg=getrp(x)

% x   source range profile

% rg  the train and test matrix after preprocess
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

for i=1:260
    % generate range profile 
    y1=fft(x(:,i));
    % range alignment
    y2=fft(abs(y1));
    % normalization
    y2=y2/norm(y2);
    % get a half of range profiles for symmetric
    rg(1:128,i)=abs(y2(1:128));
end