dx = x(2)-x(1);
w = linspace(-2*pi/dx,2*pi/dx,length(x));
Fy = fftshift(fft(y));
plot(w,abs(Fy))

11Â¥: Originally posted by sxf2012 at 2014-10-24 18:16:25
dx = x(2)-x(1);
w = linspace(-2*pi/dx,2*pi/dx,length(x));
Fy = fftshift(fft(y));
plot(w,abs(Fy))

12Â¥: Originally posted by ´÷¸Ö¿øµÄÖíÍ· at 2014-10-24 19:50:50
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14Â¥: Originally posted by °¢ÀÖ¶·Ê¿ at 2014-10-25 20:56:09
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