FMCW_phase_error_correction.py 文件源码

def invFourier(X,fs,N):     # Approximate inverse Fourier transform on the interval (-T/2,T/2)
    NFFT=len(X)
    k=np.arange(NFFT)
    x=fs*np.exp(1j*np.pi*(N/2.-k))*ifft(X*np.exp(-1j*np.pi*k*N/NFFT),NFFT)
    x=x[:N]
    return x