Description: CGH close all clc clearA = zeros (64) A (15:20,20:40) = 1 A (15:50,20:25) = 1 A (45:50,20:40) = 1 A (30 : 34,20:35) = 1 ppp = exp (rand (64)* pi* 2* i) A = A.* ppp Author s email: zjliu2001@163.comfigure imshow (abs (A), [] ) Fa = fft2 (fftshift (A)) Fs = fftshift (Fa) Am = abs (Fs) amplitudePh = angle (Fs) phases = 11 This means that the length was it? cgh = zeros (64* s) th = max (max (abs (Fs)))
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