介绍了后向散射回波与信标光到达角起伏的原理性比对实验。
The contrastive experiment of back-scattering echo and beacon angle-of-arrival fluctuation was introduced.
采用信标光是完成卫星激光通信捕获过程的一种重要手段,信标光的远场分布对捕捉概率和捕获时间有较大的影响。
Using a beacon in the free space laser communication system is an important method of finishing the acquisition course.
在双变形镜自适应光学系统中,实现全场补偿的关键步骤之一是使得变形镜2上主激光的振幅分布具有信标光振幅分布。
One key step for full field correction is to match the main laser amplitude distribution with beacon amplitude distribution on deformable mirror 2 in two deformable mirror adaptive optics.
因此必须建立一个能够处理高速数字信号的图像处理系统,来捕获信标光并计算出信标光在面阵中的脱靶量,以满足实时控制系统的需求。
So it's necessary to set up a image processing system to handle the high-speed digital signals, it's used to acquire the beaconing light and compute it's undershot signal.
对这三种方案的补偿有效性和连续性分别进行了理论研究,结果表明:补偿后,三种方案均能使偏振耦合分光系统对返回信标光的接收效率达到90%以上;
The validity and continuity of these three solutions is numerically simulated, and the results show that all of them can make the receiving efficiency be better than 90% after compensation.
信标波长应尽量靠近发射光波长,同时,应优选波长大于发射光的信标。
Beacon wavelength should be close to the wavelength of the project laser and longer wavelength is profitable.
信标波长应尽量靠近发射光波长,同时,应优选波长大于发射光的信标。
Beacon wavelength should be close to the wavelength of the project laser and longer wavelength is profitable.
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