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。
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.
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。
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.
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。
To establish a secure link while remaining 100 metres underwater, submarines could transmit photons of laser light to satellites, for retransmission to base.
基于孔径接收的对数振幅时间相关函数，结合星地激光下行链路的实际情况，推导了适用于星地下行孔径接收的闪烁频谱表达式。
Based on the temporal covariance of logarithmic amplitude, analytical expression was obtained for aperture receiving power spectrum of atmospheric scintillation of satellite-to-ground downlink.
作为星际光链路的空间激光通信可建立全天候、高机动性、高灵活性、高可靠信息平台。
Space laser communication, which is regarded as Inter-satellite optical links can establish a round-the-clock, high-flexibility, high-agility, high-reliability information platform.
本文通过激光通信链路预算和能见度数据分析，给出了FSO系统的链路可信度及通信距离与气象因素之间的函数关系。
By the analysis of link budgets and visibility-limiting weather conditions, the link availability and link distances as a function of distance can be predicted for any FSO system.
大气衰减和大气湍流严重影响着大气激光通信的链路质量。
The rain, snow, and fog in the atmosphere significantly affect the quality and reliability of atmospheric laser communication.
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。
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。
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.
应用推荐