mirror of
https://gitlab.science.ru.nl/mthesis-edeboone/m-thesis-introduction.git
synced 2025-10-31 03:46:44 +01:00
Eric Teunis de Boone
14a9fdb957
This is not required to be known when finding the phase as lib.find_beacon_in_traces already accounts for it.
42 lines
934 B
Python
Executable file
42 lines
934 B
Python
Executable file
#!/usr/bin/env python3
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"""
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Test the functions in lib concerning
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beacon generation and phase measuring
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work correctly together.
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"""
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import matplotlib.pyplot as plt
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import numpy as np
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import lib
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seed = 12345
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dt = 1 # ns
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frequency = 45e-3 # GHz
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N = 5e2
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t = np.arange(0, 10*int(1e3), dt, dtype=float)
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rng = np.random.default_rng(seed)
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phase_res = np.zeros(int(N))
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# Vary both the base time and the phase
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for i in range(int(N)):
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t_extra = (2*rng.uniform(size=1) - 1) *1e3
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t += t_extra
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phase = lib.phase_mod(np.pi*(2*rng.uniform(size=1) -1)) # rad
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beacon = lib.sine_beacon(frequency, t, t0=0, phase=phase)
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measured = lib.find_beacon_in_traces([beacon], t, frequency, frequency_fit=False)
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t -= t_extra
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phase_res[i] = lib.phase_mod(measured[1][0] - phase)
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fig, ax = plt.subplots()
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ax.set_xlabel("$\\varphi_{meas} - \\varphi_{true}$ [rad]")
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ax.set_ylabel("#")
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ax.hist(phase_res, bins='sqrt')
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plt.show()
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