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RSS2022 Vol. 49, No. 7
Cover story: Li C L, Liu J C, Zhang F M, et al. Review of nonlinearity correction of frequency modulated continuous wave LiDAR measurement technology[J]. Opto-Electron Eng, 2022, 49(7): 210409
Frequency modulated continuous wave lidar (FMCW LiDAR), with its high accuracy, low power requirements, and strong anti-interference ability, FMCW LiDAR measurement technology is favored in biomedical, aerospace, shipbuilding and other precision measurement fields. In practical application, the frequency modulation of the laser light source can’t be completely linear, which greatly reduces the measurement accuracy of the frequency modulation continuous wave LiDAR technology.
The research team of Professor Zhang Fumin of Tianjin University review nonlinearity correction of frequency modulated continuous wave LiDAR measurement technology. Introduces the basic principle of the frequency modulation continuous wave LiDAR, and introduces four widely used nonlinear correction methods and some special nonlinear correction methods according to the different nonlinear correction schemes of the frequency modulation, and makes summaries and prospects.
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Prof. Xiangang Luo
