取样保持 meaning in English
sample-hold
Examples
- Sample and hold technique
取样保持技术 - Sample and hold circuit
取样保持电路 - Sampling hold circuit
取样保持电路 - The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper . the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply . the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer . then , the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits . at last , the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder . the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product
本文系统的阐述了锁相频率合成器的基本工作原理及电路类型；较深入地分析了取样鉴相工作原理及电路、锁相环路的线性跟踪特性和相位噪声特性；重点对取样锁相频率合成器电路理论和设计方法进行了研究；为了改善环路的捕获性能，对扩捕电路进行了分析和设计，并用wewb32软件对电路进行了仿真；考虑到取样保持器的附加相移影响，对环路滤波器进行了分析和设计。