6 October 2017 High-resolution 3D laser imaging based on tunable fiber array link
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Abstract
Airborne photoelectric reconnaissance system with the bore sight down to the ground is an important battlefield situational awareness system, which can be used for reconnaissance and surveillance of complex ground scene. Airborne 3D imaging Lidar system is recognized as the most potential candidates for target detection under the complex background, and is progressing in the directions of high resolution, long distance detection, high sensitivity, low power consumption, high reliability, eye safe and multi-functional. However, the traditional 3D laser imaging system has the disadvantages of lower imaging resolutions because of the small size of the existing detector, and large volume. This paper proposes a high resolution laser 3D imaging technology based on the tunable optical fiber array link. The echo signal is modulated by a tunable optical fiber array link and then transmitted to the focal plane detector. The detector converts the optical signal into electrical signals which is given to the computer. Then, the computer accomplishes the signal calculation and image restoration based on modulation information, and then reconstructs the target image. This paper establishes the mathematical model of tunable optical fiber array signal receiving link, and proposes the simulation and analysis of the affect factors on high density multidimensional point cloud reconstruction.
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Sisi Zhao, Sisi Zhao, Ningjuan Ruan, Ningjuan Ruan, Song Yang, Song Yang, } "High-resolution 3D laser imaging based on tunable fiber array link", Proc. SPIE 10433, Electro-Optical and Infrared Systems: Technology and Applications XIV, 104330R (6 October 2017); doi: 10.1117/12.2278382; https://doi.org/10.1117/12.2278382
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