The Doppler frequency shift, the main factor restricting the bandwidth of receiver in inter satellite laser link, with orbit equations is calculated.
从轨道方程出发,对影响卫星光链路接收机带宽的主要因素———多普勒频移进行了研究。
Theory analysis and computer simulation show that the precision and focus of star tracker, the divergence angle of down beam influence the probability of laser link setting up.
理论分析和计算机仿真都表明,星敏感器的测量精度和焦距,下行信号光的束散角将影响激光链路成功建立概率。
The transmitter beam is Gaussian for real satellite-ground laser communication system. The pointing jitter and atmospheric scintillation are the main noise sources for satellite-ground laser link.
实际星地光通信系统的发射光束为高斯型的情况下,跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源。
To establish a secure link while remaining 100 metres underwater, submarines could transmit photons of laser light to satellites, for retransmission to base.
当潜艇地100米海底时,要建立安全的通信链路,把光子激光发射到卫星上去,再由卫星转发回基地。
Home Built Laser Projector -link.
家用镭射投影机-link。
Error of laser beam pointing has severe influences on the received power and bit error rate in the link of inter-satellite optical communication.
卫星间光通信链路中对准误差对接收功率和误码率都有严重的影响。
A robot can be used for noncontact measurements when a laser displacement sensor is fixed to its end-link.
在自由度冗余的机器人末端连杆上安装激光位移传感器可实现灵活的非接触测量。
In this paper, an optical interconnection data link for PCI bus parallel interconnect has been designed and implemented using semiconductor laser diodes and PIN photo detectors.
本文采用半导体激光器和PIN光电探测器,设计和实现了用于计算机PCI总线并行互连的光互连链路。
This paper introduces a dynamic detecting system drived by step-by-step motor for two-dimensional open-link laser scanning that we have just developed.
本文介绍了我们新研制的步进电机驱动二维开环激光扫描动态检测系统。
This paper introduces a dynamic detecting system drived by step-by-step motor for two-dimensional open-link laser scanning that we have just developed.
本文介绍了我们新研制的步进电机驱动二维开环激光扫描动态检测系统。
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