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ZH: specify after_N when extending beaconed traces

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Eric Teunis de Boone 2022-12-08 13:58:50 +01:00
parent 888d81c1f6
commit 730823f54d
1 changed files with 13 additions and 6 deletions
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19
simulations/airshower_beacon_simulation/aa_generate_beacon.py
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@ -303,21 +303,28 @@ if __name__ == "__main__":
# make beacon per antenna
for i, antenna in enumerate(ev.antennas):
if False: # modify trace lengths
if i%10 == 0:
print(f"Beaconed antenna {i} out of", len(ev.antennas))
if not False: # modify trace lengths
N_samples = len(antenna.t)
new_N = 2*N_samples
#new_N = 2*N_samples
new_N = 10000 # ns = 10us
pre_N = 2000 # ns = 2us
after_N = new_N - pre_N
dt = antenna.t[1] - antenna.t[0]
new_t = np.arange(-pre_N, new_N - pre_N)*dt + antenna.t[0]
new_t = np.arange(-pre_N, after_N)*dt + antenna.t[0]
antenna.t = new_t
# TODO:trace extrapolation?
antenna.Ex = np.pad(antenna.Ex, (pre_N, new_N-N_samples-pre_N), mode='constant', constant_values=0)
antenna.Ey = np.pad(antenna.Ey, (pre_N, new_N-N_samples-pre_N), mode='constant', constant_values=0)
antenna.Ez = np.pad(antenna.Ez, (pre_N, new_N-N_samples-pre_N), mode='constant', constant_values=0)
antenna.Ex = np.pad(antenna.Ex, (pre_N, after_N-N_samples), mode='constant', constant_values=0)
antenna.Ey = np.pad(antenna.Ey, (pre_N, after_N-N_samples), mode='constant', constant_values=0)
antenna.Ez = np.pad(antenna.Ez, (pre_N, after_N-N_samples), mode='constant', constant_values=0)
if i%10 == 0:
print(f"Modified trace lengths by {pre_N},{after_N-N_samples}")
t0 = 0
c_light = 3e8*1e-9 # m/ns