该算法能够找出任意两颗卫星间通信的最佳路径集合,同时能够在链路质量容许的情况下,尽量避免通信链路切换的发生,从而较大地提高了系统性能。
It can find the aggregate of best communication routes between any two satellites, and can reduce link switching as much as possible, thus improves the system performance.
星间光通信中振动是影响系统性能的重要因素,即使其中一个卫星的瞄准系统的很小幅度的振动也可以引起整个网络的性能急剧恶化。
Vibration is a key factor of intersatellite optical communication, even a minor vibration of the pointing system on one satellite can dramatically degrade the network performance.
传感器和电机控制设备与现场通信盒相连,通过卫星在井场和服务器间传输数据,二者均可远程控制。
Sensors and motor controllers interface with a site communications box, which transfers data via satellite in real time between the wellsite and data servers, both of which can be remotely controlled.
在相同的外部环境和系统参数条件下,捕获扫描方式的选择直接影响卫星间光通信终端的捕获性能。
Selections of acquisition scan methods decide the acquisition performance of a terminal in intersatellite optical communications under the same external conditions and system parameters.
通过对现有的卫星移动通信系统星间链路的分析发现,不但卫星移动通信系统星间链路的指向具有周期性变化的特性,而且星间链路的相对距离也在周期性变化。
Through the analysis of today's mobile satellite communication systems, it is found that not only the direction, but also the relative distance of the ISL are periodical.
文中阐述了具有星间链路的卫星网络在空间通信中的重要地位及其路由算法应当具有通用、简洁和可靠等特点。
Satellite network with inter-satellite links has many particular advantages and it receives more and more recognition in both commercial and military fields.
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。
Error of laser beam pointing has severe influences on the received power and bit error rate in the link of inter-satellite optical communication.
空间段由低轨卫星构成,为地面用户间、地面用户与信关站之间提供通信链路;
Space segment includes LEO satellites, which provide ground users and gateways with communication links;
空间段由低轨卫星构成,为地面用户间、地面用户与信关站之间提供通信链路;
Space segment includes LEO satellites, which provide ground users and gateways with communication links;
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