20 lines
1.2 KiB
Python
20 lines
1.2 KiB
Python
"""Acquire then track a synthetic pilot."""
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from galileo_rx.acquisition.acquisition_manager import AcquisitionManager
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from galileo_rx.config import AcquisitionConfig, TrackingConfig
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from galileo_rx.signal_profiles import galileo_e1_profile
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from galileo_rx.signals.code_provider import SyntheticCodeProvider
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from galileo_rx.signals.signal_generator import ChannelModelConfig, SatelliteSignalConfig, SyntheticSignalGenerator
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from galileo_rx.tracking.tracking_channel import TrackingChannel
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fs = 4.092e6
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profile, provider = galileo_e1_profile(), SyntheticCodeProvider()
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generator = SyntheticSignalGenerator(profile, provider, fs, satellites=[SatelliteSignalConfig(1, code_delay_chips=40, doppler_hz=750, cn0_db_hz=50)], channel=ChannelModelConfig(seed=5))
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samples, _ = generator.generate(int(0.12 * fs))
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acq_config = AcquisitionConfig(doppler_min_hz=-2000, doppler_max_hz=2000, noncoherent_accumulations=2, zero_padding_mode="none")
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result, _ = AcquisitionManager(profile, provider, fs, acq_config).acquire_one(samples, "E1C", 1)
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channel = TrackingChannel(profile, provider, fs, TrackingConfig(secondary_code_mode="wipeoff", pull_in_duration_ms=20), result)
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measurements = channel.process(samples)
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print(measurements[-1])
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