Plots generated by plot_fft.py
Printout from plot_fft_py.out



eight sample input of one cycle
amplitude of signal


eight point input of one cycle
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
b=cx[i].imag-cx[nfft-i].imag
v=sqrt(a*a+b*b)/nfft


sixteen sample input of one cycle
amplitude of signal


sixteen point input of one cycle
absolute value of FFT complex output


sixteen point input of one cycle
unambiguous spectrum, half as many values
a=cx[i].real+cx[nfft-i].real
b=cx[i].imag-cx[nfft-i].imag
v=sqrt(a*a+b*b)/nfft



tdoa_cwfm1.dat real waveform


tdoa_cwfm1.dat spectrum
absolute value of FFT complex output


tdoa_cwfm1.dat spectrum
unambiguous spectrum, half as many values
a=cx[i].real+cx[nfft-i].real
b=cx[i].imag-cx[nfft-i].imag
v=sqrt(a*a+b*b)/nfft