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ZH: small unassorted tweaks

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Eric Teunis de Boone 2022-11-18 11:02:41 +01:00
parent bb776d358c
commit 7df39cf6ab
3 changed files with 18 additions and 9 deletions
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7
simulations/airshower_beacon_simulation/aa_generate_beacon.py
View file

@ -85,7 +85,7 @@ def init_antenna_hdf5(fname, tx = None, f_beacon = None):
return fname return fname
def append_antenna_hdf5(fname, antenna, columns = [], name='traces', prepend_time=True, overwrite=True): def append_antenna_hdf5(fname, antenna, columns = [], name='traces', prepend_time=True, overwrite=True, attrs_dict={}):
if not overwrite: if not overwrite:
raise NotImplementedError raise NotImplementedError
@ -111,6 +111,9 @@ def append_antenna_hdf5(fname, antenna, columns = [], name='traces', prepend_tim
ant_attrs['z'] = antenna.z ant_attrs['z'] = antenna.z
ant_attrs['name'] = antenna.name ant_attrs['name'] = antenna.name
for k,v in attrs_dict.items():
ant_attrs[k] = v
if name in ant_group: if name in ant_group:
if not overwrite: if not overwrite:
raise NotImplementedError raise NotImplementedError
@ -141,7 +144,7 @@ if __name__ == "__main__":
tx = Antenna(x=-20e3,y=0,z=0,name='tx') # m tx = Antenna(x=-20e3,y=0,z=0,name='tx') # m
dist = lib.distance(tx, Antenna(x=0, y=0, z=0)) dist = lib.distance(tx, Antenna(x=0, y=0, z=0))
ampl = dist**2 ampl = max(1, dist**2)
beacon_amplitudes *= ampl beacon_amplitudes *= ampl

10
simulations/airshower_beacon_simulation/lib.py
View file

@ -1,3 +1,4 @@
# vim: fdm=indent ts=4
""" """
Library for this simulation Library for this simulation
""" """
@ -5,8 +6,11 @@ import numpy as np
from earsim import Antenna from earsim import Antenna
def sine_beacon(f, t, t0=0, amplitude=1, baseline=0): def sine_beacon(f, t, t0=0, amplitude=1, baseline=0, phase=0):
return amplitude * np.sin(2*np.pi*f*(t-t0)) + baseline """
Return a sine appropriate as a beacon
"""
return amplitude * np.cos(2*np.pi*f*(t+t0) + phase) + baseline
def distance(x1, x2): def distance(x1, x2):
@ -27,6 +31,8 @@ def beacon_from(tx, rx, f, t=0, t0=0, c_light=3e8, radiate_rsq=True, amplitude=1
t0 = t0 + dist/c_light t0 = t0 + dist/c_light
if radiate_rsq: if radiate_rsq:
if np.isclose(dist, 0):
dist = 1
amplitude *= 1/(dist**2) amplitude *= 1/(dist**2)
return sine_beacon(f, t, t0=t0, amplitude=amplitude,**kwargs) return sine_beacon(f, t, t0=t0, amplitude=amplitude,**kwargs)

10
simulations/airshower_beacon_simulation/view_ant0.py → simulations/airshower_beacon_simulation/view_orig_ant0.py
View file

@ -31,7 +31,7 @@ def plot_antenna_Efields(antenna, ax=None, plot_Ex=True, plot_Ey=True, plot_Ez=T
return ax return ax
def plot_antenna_geometry(antennas, ax=None, log_max=False, plot_names=True, plot_max_values=True,**kwargs): def plot_antenna_geometry(antennas, ax=None, plot_names=True, plot_max_values=True, log_max=False, colors=None,**kwargs):
"""Show the max values at each antenna.""" """Show the max values at each antenna."""
default_kwargs = dict( default_kwargs = dict(
cmap='Spectral_r' cmap='Spectral_r'
@ -50,10 +50,10 @@ def plot_antenna_geometry(antennas, ax=None, log_max=False, plot_names=True, plo
if log_max: if log_max:
max_vals = np.log10(max_vals) max_vals = np.log10(max_vals)
else:
max_vals = None
sc = ax.scatter(x, y, c=max_vals, **kwargs) colors = max_vals
sc = ax.scatter(x, y, c=colors, **kwargs)
if plot_max_values: if plot_max_values:
fig = ax.get_figure() fig = ax.get_figure()
@ -67,7 +67,7 @@ def plot_antenna_geometry(antennas, ax=None, log_max=False, plot_names=True, plo
ax.set_xlabel("[m]") ax.set_xlabel("[m]")
return ax return ax, sc
if __name__ == "__main__": if __name__ == "__main__":
fname = "ZH_airshower/mysim.sry" fname = "ZH_airshower/mysim.sry"