ZH: initial reporting for measured total clock offset per antenna

This commit is contained in:
Eric Teunis de Boone 2023-01-09 11:48:58 +01:00
parent 1d6f0d3b36
commit ed1eb3f5cb

View file

@ -0,0 +1,80 @@
#!/usr/bin/env python3
# vim: fdm=indent ts=4
"""
Report best time offset per frequency for each antenna
"""
import h5py
import matplotlib.pyplot as plt
import numpy as np
from os import path
from scipy.interpolate import interp1d
import aa_generate_beacon as beacon
import lib
if __name__ == "__main__":
import sys
import os
import matplotlib
if os.name == 'posix' and "DISPLAY" not in os.environ:
matplotlib.use('Agg')
fname = "ZH_airshower/mysim.sry"
fig_dir = "./figures/periods_from_shower_figures/"
fig_subdir = path.join(fig_dir, 'shifts/')
show_plots = False
####
fname_dir = path.dirname(fname)
antennas_fname = path.join(fname_dir, beacon.antennas_fname)
time_diffs_fname = 'time_diffs.hdf5' if not True else antennas_fname
# create fig_dir
if fig_dir:
os.makedirs(fig_dir, exist_ok=True)
if fig_subdir:
os.makedirs(fig_subdir, exist_ok=True)
# Read in antennas from file
_, tx, antennas = beacon.read_beacon_hdf5(antennas_fname)
# For now only implement using one freq_name
freq_names = antennas[0].beacon_info.keys()
if len(freq_names) > 1:
raise NotImplementedError
freq_name = next(iter(freq_names))
f_beacon = antennas[0].beacon_info[freq_name]['freq']
for i, ant in enumerate(antennas):
clock_phase_time = ant.beacon_info[freq_name]['sigma_phase_mean']/(2*np.pi*f_beacon)
best_k_time = ant.beacon_info[freq_name]['best_k_time']
best_k = ant.beacon_info[freq_name]['best_k_time']
total_clock_time = best_k_time + clock_phase_time
actual_clock_time = ant.attrs['clock_offset']
# filter k == 0
if best_k == 0:
continue
# Report to stdout
print("Timing of antenna", ant.name)
print(" + k:", best_k, ";(-)", best_k_time, 'ns')
print(" + phase_time:", clock_phase_time, 'ns')
print("==============================")
print("Sum: (-) ", total_clock_time, 'ns')
print("Actual:", actual_clock_time, 'ns')
print("Diff (A - - S):", actual_clock_time - -total_clock_time, 'ns')
print()