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高频头在卫星接收系统中承担着接收放大微弱信号和进行频率变换的功能。本文详细介绍了高频头的组成和原理,并通过故障分析,阐述了卫星高频头的使用和维护。
LNB in the satellite receiving system to undertake the receiving amplification of weak signals and frequency conversion function. This paper introduces the composition and principle of the tuner in detail, and expounds the use and maintenance of the satellite tuner through fault analysis.