Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Image motion velocity field of off-axis TMA space camera with large field of view | |
Li, Y.; L. Jin; Y. Wu; W. Wang; Z. Lv and S. Han | |
2016 | |
发表期刊 | Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering |
卷号 | 45期号:5 |
摘要 | To evaluate inhibitory effect of diversity transceiver technology on the atmospheric turbulence in the application of offshore laser communication system, experiment verification scheme of multichannel synchronous acquisition of laser spot based on 1550 nm was designed. Extraction of target center position and target gray statistical of real time image processing system were realized by using terminal triggered with the FPGA+multi-core DSP architecture, and then the arrival angle fluctuation variance and the scintillation index from the laser transmitting terminal to the receiving terminal were obtained. Under the conditions of equal power, arrival angle fluctuation variance and the scintillation index were compared between single way transmitting and double way transmitting, double aperture receiving and equivalent single aperture, and the effect of double aperture receiving was compared under different spans. Experimental results show that the same transmitting power, the arrival angle fluctuation variance and the scintillation index are effectively inhibited caused by atmospheric turbulence with dual way transmitting compared with single way transmitting; in condition of same reception area, the arrival angle fluctuation variance and scintillation index is more weak through single aperture receiving compared with double aperture receiving. In a certain range, double size span exists optimal values. 2016, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved. |
文章类型 | 期刊 |
收录类别 | EI |
语种 | 中文 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/57043 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Li, Y.,L. Jin,Y. Wu,et al. Image motion velocity field of off-axis TMA space camera with large field of view[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2016,45(5). |
APA | Li, Y.,L. Jin,Y. Wu,W. Wang,&Z. Lv and S. Han.(2016).Image motion velocity field of off-axis TMA space camera with large field of view.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,45(5). |
MLA | Li, Y.,et al."Image motion velocity field of off-axis TMA space camera with large field of view".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 45.5(2016). |
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文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Image motion velocit(650KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 |
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