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ZH: plot showing (measured-actual) residuals for true_phases

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Eric Teunis de Boone 2022-12-20 15:26:10 +01:00
parent 929c6c7748
commit 429e2fff1d
1 changed files with 43 additions and 3 deletions
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46
simulations/airshower_beacon_simulation/bb_measure_true_phase.py
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@ -80,7 +80,7 @@ if __name__ == "__main__":
# Plot True Phases at their locations
if show_plots or fig_dir:
fig, ax = plt.subplots()
spatial_unit=None
spatial_unit='m'
fig.suptitle('Clock phases\nf_beacon= {:2.0f}MHz'.format(f_beacon*1e3))
antenna_locs = list(zip(*[(ant.x, ant.y) for ant in antennas]))
@ -88,16 +88,56 @@ if __name__ == "__main__":
ax.set_ylabel('y' if spatial_unit is None else 'y [{}]'.format(spatial_unit))
scatter_kwargs = {}
scatter_kwargs['cmap'] = 'inferno'
scatter_kwargs['vmin'] = -np.pi
scatter_kwargs['vmax'] = +np.pi
#scatter_kwargs['vmin'] = -np.pi
#scatter_kwargs['vmax'] = +np.pi
color_label='$\\varphi(\\sigma_t)$ [rad]'
sc = ax.scatter(*antenna_locs, c=true_phases, **scatter_kwargs)
fig.colorbar(sc, ax=ax, label=color_label)
if False:
for i, ant in enumerate(antennas):
ax.text(ant.x, ant.y, ant.name)
if not True:
ax.plot(tx.x, tx.y, 'X', color='k', markeredgecolor='white')
if fig_dir:
fig.savefig(path.join(fig_dir, __file__ + f".F{freq_name}.pdf"))
# Plot True Phases - Actual True Phases at their location
if show_plots or fig_dir:
fig, ax = plt.subplots()
fig.suptitle('Clock phase Residuals\nf_beacon={:2.0f}MHz'.format(f_beacon*1e3))
actual_true_phases = np.array([ -2*np.pi*a.attrs['clock_offset']*f_beacon for a in antennas ])
# Modify actual_true_phases, the same way as true_phases
# was modified
if remove_absolute_phase_offset_first_antenna or remove_absolute_phase_offset_minimum:
if remove_absolute_phase_offset_first_antenna: # just take the first phase
minimum_phase = actual_true_phases[0]
else: # take the minimum
minimum_phase = np.min(actual_true_phases, axis=-1)
actual_true_phases -= minimum_phase
actual_true_phases = lib.phase_mod(actual_true_phases)
true_phase_residuals = lib.phase_mod(true_phases - actual_true_phases)
antenna_locs = list(zip(*[(ant.x, ant.y) for ant in antennas]))
ax.set_xlabel('x' if spatial_unit is None else 'x [{}]'.format(spatial_unit))
ax.set_ylabel('y' if spatial_unit is None else 'y [{}]'.format(spatial_unit))
scatter_kwargs = {}
scatter_kwargs['cmap'] = 'inferno'
color_label='$\\Delta\\varphi(\\sigma_t) = \\varphi_{meas} - \\varphi_{true}$ [rad]'
sc = ax.scatter(*antenna_locs, c=true_phase_residuals, **scatter_kwargs)
fig.colorbar(sc, ax=ax, label=color_label)
if fig_dir:
fig.savefig(path.join(fig_dir, __file__ + f".residual.F{freq_name}.pdf"))
print(f"True phases written to", antennas_fname)
if show_plots: