Low-Resolution Imaging FMCW Lidar
We demonstrate the imaging capability of a frequency modulated continuous wave lidar based on a fiber bundle. The lidar constructs velocity and range images for hard targets at a rate of 60 Hz. The sensing range is up to 30 m with 20 mW of output power. The instrument employs custom electronics with...
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| Veröffentlicht in: | arXiv.org 2022-05 |
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| creator | Iskander Gazizov Zenevich, Sergei Rodin, Alexander |
| description | We demonstrate the imaging capability of a frequency modulated continuous wave lidar based on a fiber bundle. The lidar constructs velocity and range images for hard targets at a rate of 60 Hz. The sensing range is up to 30 m with 20 mW of output power. The instrument employs custom electronics with seven parallel heterodyne receivers. An example of image recovery is presented on 6-pixel "pictures" of a spinning disk and a drone hovering in the air. In experiments, we also tested the laser tuning linearity correction with a phase-locked loop. We see the practicality of such a low-resolution system as a boost in scanning rate of conventional lidars or for direct target imaging with a further upgrade of pixel count. |
| doi_str_mv | 10.48550/arxiv.2205.07580 |
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| subjects | Continuous fibers Continuous radiation Hovering Image resolution Lidar Phase locked loops Physics - Instrumentation and Detectors Pixels |
| title | Low-Resolution Imaging FMCW Lidar |
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