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ZH: matrix: improve SNR vs time res plot

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Eric Teunis de Boone 2023-04-13 12:40:01 +02:00
parent 68e272a5dc
commit 8dc2d3b7f0
1 changed files with 18 additions and 5 deletions
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23
airshower_beacon_simulation/matrix_base/bin/time_res_vs_snr.py
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@ -126,6 +126,7 @@ if __name__ == "__main__":
ax.set_ylabel('Time Accuracy $\\sigma(t)$ [ns]') ax.set_ylabel('Time Accuracy $\\sigma(t)$ [ns]')
# group per directories per N # group per directories per N
dirkeys = []
if True: if True:
import re import re
@ -140,18 +141,23 @@ if __name__ == "__main__":
dirdict[m].append(d) dirdict[m].append(d)
dirkeys = list(dirdict.keys())
dirlist = dirdict.values() dirlist = dirdict.values()
# plot data directories as one group # plot data directories as one group
else: else:
dirlist = [args.data_directories] dirlist = [args.data_directories]
for dirlist in dirlist: for i, dirlist in enumerate(dirlist):
f_beacon, snrs, time_residuals = read_snr_directories(dirlist) f_beacon, snrs, time_residuals = read_snr_directories(dirlist)
if dirkeys:
label = "N = " + dirkeys[i]
else:
label = None
# plot data # plot data
ax.plot(snrs*np.sqrt(np.pi/2), phase2time(time_residuals[:,1]), ls='none', marker='o') ax.plot(snrs*np.sqrt(np.pi/2), phase2time(time_residuals[:,1]), ls='none', marker='o', label=label)
# Add secondary axis # Add secondary axis
if True: if True:
@ -182,11 +188,11 @@ if __name__ == "__main__":
else: #linear else: #linear
_snrs = np.linspace(_snr_min, _snr_max) _snrs = np.linspace(_snr_min, _snr_max)
# Phasor Rice # Random Phasor Sum
phasor_pdfs = np.array([phase_distribution(thetas, sigma, s) for s in _snrs ]) phasor_pdfs = np.array([phase_distribution(thetas, sigma, s) for s in _snrs ])
phasor_sigma = np.sqrt(np.array([variance(thetas, pdf) for pdf in phasor_pdfs])) phasor_sigma = np.sqrt(np.array([variance(thetas, pdf) for pdf in phasor_pdfs]))
ax.plot(_snrs, phase2time(phasor_sigma), label='Rice') ax.plot(_snrs, phase2time(phasor_sigma), label='Random Phasor Sum')
if True: # plot a pdf if True: # plot a pdf
fig2, ax2 = plt.subplots() fig2, ax2 = plt.subplots()
@ -207,6 +213,13 @@ if __name__ == "__main__":
if not True or ax.get_xscale() != 'log': if not True or ax.get_xscale() != 'log':
ax.set_xlim(0, 100) ax.set_xlim(0, 100)
# Set horizontal line at 1 ns
if True:
ax.axhline(1, ls='--', alpha=0.8, color='g')
if True:
ax.grid()
if args.fig_dir: if args.fig_dir:
fig.tight_layout() fig.tight_layout()
fig.savefig(path.join(args.fig_dir, "time_res_vs_snr.pdf")) fig.savefig(path.join(args.fig_dir, "time_res_vs_snr.pdf"))