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2 May 2009 Wideband dual-frequency lidar-radar for simultaneous velocity and high-resolution range profile measurements
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Abstract
We report on a wideband lidar-radar architecture in which range resolution is independent of pulse duration thanks to the use of a widely tunable intensity-modulated laser combined with a radar-like signal processing. We use a dual frequency laser which provides a modulated beam with a modulation frequency tunable over 1 GHz. A stepped-frequency waveform is obtained and 30 cm range resolution is demonstrated. Field experiments have been conducted on mobile targets, which assess the ability of this setup to measure simultaneously the range and the velocity. A velocity resolution of 1.70 m/s is demonstrated.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G. Pillet, L. Morvan, D. Dolfi, and J.-P. Huignard "Wideband dual-frequency lidar-radar for simultaneous velocity and high-resolution range profile measurements", Proc. SPIE 7323, Laser Radar Technology and Applications XIV, 73230Z (2 May 2009); https://doi.org/10.1117/12.819997
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