mirror of
https://gitlab.science.ru.nl/mthesis-edeboone/m-thesis-introduction.git
synced 2025-10-30 19:36:34 +01:00
46 lines
1.2 KiB
Python
Executable file
46 lines
1.2 KiB
Python
Executable file
#!/usr/bin/env python3
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import numpy as np
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import matplotlib.pyplot as plt
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import numpy.fft as ft
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from earsim import Antenna
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import aa_generate_beacon as beacon
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if __name__ == "__main__":
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import os.path as path
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fname = "ZH_airshower/mysim.sry"
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####
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fname_dir = path.dirname(fname)
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antennas_fname = path.join(fname_dir, beacon.antennas_fname)
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f_beacon, tx, antennas = beacon.read_beacon_hdf5(antennas_fname)
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idx = [0, len(antennas)//2, -1]
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fig1, axs = plt.subplots(2)
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axs[0].set_xlabel('t [ns]')
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axs[0].set_ylabel('[$\mu$V/m]')
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axs[1].set_xlabel('f [GHz]')
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axs[1].set_ylabel('Power')
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for i in idx:
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ant = antennas[i]
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n_samples = len(ant.t)
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samplerate = (ant.t[-1] - ant.t[0])/n_samples
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axs[0].axvline(ant.t[0], color='k', alpha=0.5)
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for direction, trace in dict(x=ant.Ex, y=ant.Ex, z=ant.Ez).items():
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freqs = ft.fftfreq(n_samples, 1/samplerate)[:n_samples//2]
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fft = 2*ft.fft(trace)[:n_samples//2]/n_samples
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axs[0].plot(ant.t, trace, label=f"E{direction} {i}")
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axs[1].plot(freqs, np.abs(fft))
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fig1.legend(loc='center right', ncol=min(3, len(idx)))
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#fig1.savefig('./fig1.png')
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plt.show()
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