Commit d0421adb by Guillaume HEUSCH

### test

parent 6844828f
Pipeline #25128 passed with stage
in 58 seconds
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 ... ... @@ -95,7 +95,7 @@ def get_ltss(signal): from scipy.fftpack import rfft window_size = 30 nfft = 128 nfft = 64 window_stride = int(window_size / 2) # log-magnitude of DFT coefficients ... ... @@ -107,8 +107,7 @@ def get_ltss(signal): # n is even, as a consequence the fft is as follows [y(0), Re(y(1)), Im(y(1)), ..., Re(y(n/2))] # i.e. each coefficient, except first and last, is represented by two numbers (real + imaginary) fft = rfft(signal[w:w+window_size], n=nfft) print(fft) print(fft.shape) # the magnitude is the norm of the complex numbers, so its size is n/2 + 1 mags = numpy.zeros((int(nfft/2) + 1), dtype=numpy.float64) ... ... @@ -137,7 +136,9 @@ def get_ltss(signal): # build final feature log_mags = numpy.array(log_mags) mean = numpy.mean(log_mags, axis=0) print(mean) pyplot.hist(mean) pyplot.show #std = numpy.std(log_mags, axis=0) #ltss = numpy.concatenate([mean, std]) ... ...
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