...00 -0.6 20,000 -0.53 万里晴空 23,000 -0.46 50,000 -0.21 冗余度概念及意义： 系统的接收冗余度又称为链路余量（Link Margin）或者称为链路预算（Link budget），它是一个产品的性能指标，通过这个数值的估算可以估算出相关 产品的最大传输距离（根据不同天...
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For system design, it is necessary to provide certain link margin for low availability. However in order to obtain high availability, we need explore adaptive fade mitigation technology.
在进行系统工程设计时，低可用度系统需要预留一定的雨衰余量，高可用度系统需要采取自适应抗雨衰措施。
It describes the design thought on airborne satellite communication system and the technology to improve communication link margin, taking the SATCOM system airborne communication for example.
本文以SATCOM系统机载通信为例，介绍了机载卫星通信系统的设计思想，以及提高通信链路容限所采用的技术。
For the purpose of reliable transmission, the system margin is increased blindly through enhancing the transmitter power or the antenna gain in link design.
为了使数据可靠地传输，链路设计中往往盲目加大发射机功率，提高天线增益来提高系统的余量。
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