... concrete truck mixer混凝土搅拌输送车 Double Balanced mixer双重平衡混频器 Micro-strip type mixer微带型混频器 ...
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为改善以CH4为目标气体检测系统的信噪比,提高系统的检测灵敏度,以双平衡混频器(double balanced mixer)为核心,设计了一套用于提取被噪声淹没的微弱信号的调制解调高频 相敏探测器。
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Second , the noise of double balanced mixer was analyzed, which involved analysis of low frequency flicker noise and high frequency thermal noise.
接着对双平衡混频器的噪声进行理论分析，包括低频闪烁噪声和高频热噪声。
In the sections about mixer, first, two realizing methods of mixer, its major performance parameters, the design and optimization flow of the double balanced mixer were explained briefly.
在混频器部分，首先概要叙述混频器的两种实现方法、主要的性能指标以及双平衡混频器的设计、优化流程。
A double-balanced Gilbert structure with current injection is used according to the analysis of mixer noise and gain.
通过对混频器噪声机理的分析，在原有的结构上增加了电流注入模块。
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