Numerical ray-tracing approach with laser intensity distribution for LIDAR signal power function computation |
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Authors: | Guangyuan Shi Song Li Ke Huang Zile Li Guoxing Zheng |
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Institution: | 1.School of Electronic Information,Wuhan University,Wuhan,China |
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Abstract: | We have developed a new numerical ray-tracing approach for LIDAR signal power function computation, in which the light round-trip propagation is analyzed by geometrical optics and a simple experiment is employed to acquire the laser intensity distribution. It is relatively more accurate and flexible than previous methods. We emphatically discuss the relationship between the inclined angle and the dynamic range of detector output signal in biaxial LIDAR system. Results indicate that an appropriate negative angle can compress the signal dynamic range. This technique has been successfully proved by comparison with real measurements. |
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