以下为句子列表：
英文: The optimized design and performance of the circuit of sampling phase-locked frequency synthesizer in microwave high-stability frequency-synthesizing technology are researched for the high demand of microwave frequency source.
中文: 针对卫星电视接收机中微波高稳定本振源的要求，重点研究了取样锁相频率合成器电路的优化设计及性能。
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英文: This paper introduces the structure and basic principles of ultrashort wave frequency hopping station system,analyzes on the TOD and three kinds of frequency-hopping synchronizations,and advances a scheme of deferred-network-entry synchronizationt.
中文: 介绍了超短波跳频电台系统结构及基本原理,分析了时间信息(TOD)与3种跳频同步分类,提出了一种迟入网同步方案。
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