gradient5.m

rang doppler imaging and motion compensation中的源代码

function fy = gradient5(data,h)
% 
% Finds the gradient of the phase in a burst or in a 
% segment.
%

     if nargin == 1, h=1; end

     [m,n]=size(data);
     if n == 1
        n = m;
        m = 1;
        data = data(:);
     end

     b=[];
     for z=2:n
     c=conj(data(z-1))*data(z);
     b=[b,c];
     end
     d=sum(b);
     fy=angle(d);