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ZH: move c_light value to lib

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Eric-Teunis de Boone 2022-12-15 14:40:20 +01:00
parent a4fa874b54
commit 3fce4036f3
4 changed files with 10 additions and 17 deletions
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9
simulations/airshower_beacon_simulation/lib/lib.py
View file

@ -6,6 +6,7 @@ import numpy as np
from numpy.polynomial import Polynomial
from earsim import Antenna
c_light = 3e8*1e-9 # m/ns
""" Beacon utils """
def sine_beacon(f, t, t0=0, amplitude=1, baseline=0, phase=0):
@ -34,13 +35,13 @@ def distance(x1, x2):
return np.sqrt( np.sum( (x1-x2)**2 ) )
def geometry_time(dist, x2=None, c_light=3e8):
def geometry_time(dist, x2=None, c_light=c_light):
if x2 is not None:
dist = distance(dist, x2)
return dist/c_light
def beacon_from(tx, rx, f, t=0, t0=0, c_light=3e8, radiate_rsq=True, amplitude=1,**kwargs):
def beacon_from(tx, rx, f, t=0, t0=0, c_light=c_light, radiate_rsq=True, amplitude=1,**kwargs):
dist = distance(tx,rx)
# suppress extra time delay from distance
if c_light is not None and np.isfinite(c_light):
@ -53,7 +54,7 @@ def beacon_from(tx, rx, f, t=0, t0=0, c_light=3e8, radiate_rsq=True, amplitude=1
return sine_beacon(f, t, t0=t0, amplitude=amplitude,**kwargs)
def remove_antenna_geometry_phase(tx, antennas, f_beacon, measured_phases=None, c_light=3e8):
def remove_antenna_geometry_phase(tx, antennas, f_beacon, measured_phases=None, c_light=c_light):
"""
Remove the geometrical phase from the measured antenna phase.
"""
@ -110,7 +111,7 @@ def direct_fourier_transform(freqs, time, samplesets_iterable):
# Numpy array
return np.dot(c_k, samplesets_iterable), np.dot(s_k, samplesets_iterable)
def phase_field_from_tx(x, y, tx, f_beacon, c_light=3e8, t0=0, wrap_phase=True, return_meshgrid=True):
def phase_field_from_tx(x, y, tx, f_beacon, c_light=c_light, t0=0, wrap_phase=True, return_meshgrid=True):
"""
"""

2
simulations/airshower_beacon_simulation/lib/tests/test_calculated_phase_measurement.py
View file

@ -17,7 +17,7 @@ seed = 12345
dt = 1 # ns
frequency = 45e-3 # GHz
N = 5e2
c_light = 3e8*1e-9
c_light = lib.c_light
t = np.arange(0, 10*int(1e3), dt, dtype=float)
rng = np.random.default_rng(seed)