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https://gitlab.science.ru.nl/mthesis-edeboone/m-thesis-introduction.git
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ZH: ba measure phase: mask strong peak for every trace
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parent
8eb2431ec6
commit
583577b807
1 changed files with 55 additions and 43 deletions
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@ -23,21 +23,28 @@ if __name__ == "__main__":
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from scriptlib import MyArgumentParser
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parser = MyArgumentParser()
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parser.add_argument('--no-use-AxB', dest='use_AxB_trace', action='store_false')
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group1 = parser.add_mutually_exclusive_group()
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group1.add_argument('--AxB', dest='use_AxB_trace', action='store_true', help='Only use AxB trace, if both AxB and beacon are not used, we use the antenna polarisations.')
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group1.add_argument('--beacon', dest='use_beacon_trace', action='store_true', help='Only use the beacon trace')
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parser.add_argument('--N-mask', type=float, default=500, help='Mask N_MASK samples around the absolute maximum of the trace. (Default: %(default)d)')
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args = parser.parse_args()
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f_beacon_band = (49e-3,55e-3) #GHz
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allow_frequency_fitting = False
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read_frequency_from_file = True
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N_mask = int(args.N_mask)
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use_AxB_trace = args.use_AxB_trace
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use_beacon_trace = True # only applicable if AxB = False
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use_only_AxB_trace = args.use_AxB_trace
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use_only_beacon_trace = args.use_beacon_trace # only applicable if AxB = False
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show_plots = args.show_plots
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figsize = (12,8)
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print("use_AxB_trace:", use_AxB_trace, "use_beacon_trace:",use_beacon_trace)
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print("use_only_AxB_trace:", use_only_AxB_trace, "use_only_beacon_trace:", use_only_beacon_trace)
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####
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fname_dir = args.data_dir
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@ -83,59 +90,64 @@ if __name__ == "__main__":
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h5ant = group[name]
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# use E_AxB only instead of polarisations
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if use_AxB_trace:
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if 'E_AxB' not in h5ant.keys():
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print(f"Antenna does not have 'E_AxB' in {name}")
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if use_only_AxB_trace:
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traces_key = 'E_AxB'
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if traces_key not in h5ant.keys():
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print(f"Antenna does not have '{traces_key}' in {name}")
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sys.exit(1)
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traces = h5ant['E_AxB']
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traces = h5ant[traces_key]
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t_trace = traces[0]
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test_traces = [ traces[1] ]
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orients = ['E_AxB']
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# TODO: refine masking
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# use beacon but remove where E_AxB-Beacon != 0
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if True:
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N_pre, N_post = 250, 250 # TODO: make this configurable
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# Only beacon
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elif use_only_beacon_trace:
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traces_key = 'filtered_traces'
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if traces_key not in h5ant.keys():
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print(f"Antenna file corrupted? no '{traces_key}' in {name}")
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sys.exit(1)
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max_idx = np.argmax(test_traces[0])
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low_idx = max(0, max_idx-N_pre)
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high_idx = min(len(t_trace), max_idx+N_post)
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t_mask = np.ones(len(t_trace), dtype=bool)
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t_mask[low_idx:high_idx] = False
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t_trace = t_trace[t_mask]
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for j, t in enumerate(test_traces):
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test_traces[j] = t[t_mask]
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orients[j] = orients[j] + ' masked'
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traces = h5ant[traces_key]
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t_trace = traces[0]
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test_traces = [traces[4]]
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orients = ['B']
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# use separate polarisations
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else:
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if 'traces' not in h5ant.keys():
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print(f"Antenna file corrupted? no 'traces' in {name}")
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traces_key = 'filtered_traces'
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if traces_key not in h5ant.keys():
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print(f"Antenna file corrupted? no '{traces_key}' in {name}")
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sys.exit(1)
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traces = h5ant['traces']
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traces = h5ant[traces_key]
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t_trace = traces[0]
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test_traces = [traces[i] for i in range(1,4)]
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orients = ['Ex', 'Ey', 'Ez']
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if use_beacon_trace:
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# only take the Beacon trace
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test_traces = [traces[4]]
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orients = ['B']
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else:
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test_traces = traces[1:]
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orients = ['Ex', 'Ey', 'Ez', 'B']
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# modify the length of the traces
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# Really only select the first component
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if False:
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t_trace = t_trace[:len(t_trace)//2]
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half_traces = []
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for trace in test_traces:
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half_traces.append( trace[:len(trace)//2])
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test_traces = half_traces
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test_traces = [test_traces[0]]
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orients = [orients[0]]
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# TODO: refine masking
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# use beacon but remove where E_AxB-Beacon != 0
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# Uses the first traces as reference
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if N_mask and orients[0] != 'B':
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N_pre, N_post = N_mask//2, N_mask//2
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max_idx = np.argmax(test_traces[0])
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low_idx = max(0, max_idx-N_pre)
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high_idx = min(len(t_trace), max_idx+N_post)
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t_mask = np.ones(len(t_trace), dtype=bool)
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t_mask[low_idx:high_idx] = False
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t_trace = t_trace[t_mask]
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for j, t in enumerate(test_traces):
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test_traces[j] = t[t_mask]
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orients[j] = orients[j] + ' masked'
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# Do Fourier Transforms
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# to find phases and amplitudes
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@ -155,7 +167,7 @@ if __name__ == "__main__":
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amps = [ 3e-7 ]
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# choose highest amp
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idx = 0
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idx = np.argmax(amps)
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if False and len(beacon_phases) > 1:
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#idx = np.argmax(amplitudes, axis=-1)
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raise NotImplementedError
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