Plots from this program plot_fft.c Printed output plot_fft_c.out eight sample input of one cycle amplitude of signal eight point input of one cycle normalized absolute value of FFT complex output eight point input of one cycle unambiguous spectrum, half as many values a=cx[i].real+cx[nfft-i].real cx[2*i] cx[2*(nfft-i)] b=cx[i].imag-cx[nfft-i].imag cx[2*i+1] cx[2*(nfft-i)+1] v=sqrt(a*a+b*b)/nfft tdoa_cwfm1.dat amplitude of signal tdoa 128 complex point FFT absolute value of FFT complex output tdoa 128 complex point FFT unambiguous spectrum, half as many values a=cx[i].real+cx[nfft-i].real cx[2*i] cx[2*(nfft-i)] b=cx[i].imag-cx[nfft-i].imag cx[2*i+1] cx[2*(nfft-i)+1] v=sqrt(a*a+b*b)/nfft