还分析了每种拓扑结构中使用的有源前端整流器。
The active front end rectifier used with each topology is also included in the analysis.
正交偶极子阵列声波测井仪中前端信号采集和处理单元大量使用了VCVS有源滤波器。
VCVS active filters are greatly used in front signal acquisition and processing unit of the Cross Multipole Array Acousticlog tool.
毫米波器件又分为无源器件和有源器件，本文从这两个方面对毫米波收发前端的理论和设计进行了研究。
The article is mainly on study of the theory and design of millimeter-wave transceiver front-end from the active devices and passive components.
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