def plot_FFT(self, signal, show_periods=True):
fig = ppl.figure(figsize=(5, 2.5))
ax = pl.mk_Fourier_ax(fig,
time_unit=self.time_unit_label,
show_periods=show_periods)
fft_freqs, fft_power = core.compute_fourier(signal, self.dt)
print(f"mean fourier power: {np.mean(fft_power):.2f}")
pl.Fourier_spec(ax, fft_freqs, fft_power, show_periods)
fig.tight_layout()
def initUI(self, position, signal_id):
self.setWindowTitle('Fourier spectrum ' + signal_id)
self.setGeometry(510 + position, 80 + position, 520, 600)
main_frame = QWidget()
self.fCanvas = mkFourierCanvas()
self.fCanvas.setParent(main_frame)
ntb = NavigationToolbar(self.fCanvas, main_frame)
# plot it
ax = pl.mk_Fourier_ax(self.fCanvas.fig, self.time_unit, self.show_T)
pl.Fourier_spec(ax, self.fft_freqs, self.fpower, self.show_T)
main_layout = QGridLayout()
main_layout.addWidget(self.fCanvas, 0, 0, 9, 1)
main_layout.addWidget(ntb, 10, 0, 1, 1)
self.setLayout(main_layout)
self.show()