Matched filtering and instantaneous frequency fitting recover FMCW lidar ranges beyond the Nyquist limit from the full waveform despite frequency-domain aliasing, with fitting more robust to phase noise.
Optimal spectral estimation and system trade-off in long-distance frequency-modulated continuous-wave lidar,
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FMCW Lidar Beyond Nyquist by Instantaneous Frequency Fitting
Matched filtering and instantaneous frequency fitting recover FMCW lidar ranges beyond the Nyquist limit from the full waveform despite frequency-domain aliasing, with fitting more robust to phase noise.