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- Technology and Development of Free-space Laser Communication. 自由空间光通信技术及国内外发展状况。
- An underwater Laser imaging system with low power semiconductor laser is analysed. 论述了采用低功率半导体激光器的水下成像系统。
- The recognition of underwater laser target is a new disquisitive field, in which many problems are open, and extraction is the key problem. 激光水下目标的识别是一个崭新的研究领域,有许多问题亟待解决,其中目标提取问题是关键。
- Effect of vibration on intersatellite coherent laser communication[J]. 引用该论文 王朝晖;赵长政;陈文新;焦斌亮.
- The Research about Look-ahead Alignment Problem for Space-earth Satellite Laser Communication. 空-地卫星光通信系统中超前对准问题的研究。
- The experiment shows that the method proposed above is very effective in enhancement of underwater laser imaging to restain background noise, clear object details and advance contrast. 通过实验,验证了该算法能达到抑制背景噪声、突出目标细节、提高对比度的效果,对水下激光图像增强十分有效。
- Intersatellite laser communication is the best way to solve bottleneck intersatellite communication. 卫星激光通信是解决星间通信"瓶颈"的最佳方法。
- The laser acquisition, pointing and tracking (APT) technology of high precision and large band-width is the key technology of space laser communication. 高精度、宽带宽的激光捕获、对准和跟踪技术(简称APT)是空间激光通信的一个关键技术。
- The quantum noise is a basic noise in the atmospheric laser communication system, which restricts the effective distance of communication. 摘要量子噪声是通信系统中的基本噪声,它的存在制约了通信的有效距离。
- The principles of APT system are introduced, and the mathematic models are given. With Simulink language, a dynamic simulation of APT is realized in satellite laser communication. 简要的分析了APT 系统的工作原理,建立了仿真的数学模型,利用Simulink语言,实现了卫星激光通信中APT过程的动态仿真,在此基础上设计了星际激光通信复合轴APT综合模拟实验系统。
- underwater laser surveying system 水下激光测量系统
- The numerical analysis results show that the performance of the wireless laser communication systems is highly dependent on laser wavelength, visibility, range and receiver FOV. 数值分析表明:激光波长、雾的能见度、测量距离和接收器视场角对无线激光通信系统均有较大的影响。
- The adaptive adjusting system of the detected signal is designed. The auto-adjusting range of 10 4 is obtained. This is satisfied for the submarine laser communication test system. 研究了光电倍增管的增益变化特性 ,据此设计出了一种实用的激光探测信号动态范围自适应调节系统 ,该系统自动调节范围可达 1 0 4 ,能满足激光对潜通信系统在不同天气、不同海况及不同海域等条件下的应用。
- Design and Experiment of an Underwater Laser Line Scanning System 水下激光线扫描探测系统的设计及试验
- The paper gives a viable space laser communication PAT system ground model and implements a subminiature PAT servo controller based on TMS320LF2407A DSP, based on the analyzing of the existing space laser communication PAT system. 本文对现有的空间激光通信PAT系统进行了分析,提出了一种可行的空间激光通信PAT系统地面模型,实现了一种基于TMS320LF2407A DSP的微型PAT伺服控制器。
- Study of Digital Detection of Underwater Laser Pulse Ranging 脉冲式激光水下测距数字检测技术研究
- PPM(Pulse Position Modulation), as one of key technologies in the atmosphere laser communication, arouses more and more attention by the virtue of high power efficiency and strong resistance to interference. 光脉冲位置调制(PPM)具有能量传输效率高(每光子传输的信息量),抗干扰能力强等优点,是大气激光通信中的一项关键技术,因此越来越受到人们的重视。
- Analysis of the MTF for an Underwater Laser Imaging System 水下激光成像系统的MTF分析
- The channel model of satellite-ground laser communication link is presented in presence of the effects of atmospheric scintillation and pointing jitter on the quality of communication. 基于该模型对星地激光链路中光束发散角与跟瞄误差之比的优化选择问题进行了研究。
- PMT gain control in underwater laser object detection system 激光水下目标探测系统中的PMT变增益控制