def fft(self):
        signal = np.array(self,dtype='float32')
        fft = np.fft.fft(signal)
        freq = np.fft.fftfreq(len(signal))
        return (fft,freq)
**SUMMARY**
dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/LineScan.py/LineScan.fft