difference detector的意思|difference detector的解释-里氏词典

[电] 讯差检波器

This paper briefly introduces the basic principles of the phase locked loop( PLL) and pulse-controlled phase locking method, and further analyses the self catching capacity of PLL, the composition of the frequency feedback loop, the features and parameter
简单介绍了锁相环和脉冲控制锁相法的基本原理,进一步分析了锁相环的自捕捉能力、率反馈环的构成、差检波器的特性与参数等,结果表明用阶梯扫描加频率反馈环频率引导装置能使窄带锁相环在较短时间内在宽频率实现频率捕捉。
Accurate and reliable photoelectric weft count detector. Problem of weft length difference is solved by computerized coil amount and angle control.
光电式纬量探测装置，准确可靠，微电脑只能化的参数，角度控制能有效解决长短纬。
This paper points out the key to realise the scheme is to develop a phase angle detector which is available for feedback control of phase difference, and gives out the principle of the phase angle
文中指出，实现该方案的关键是研究一种适用于进行相位差反馈控制的相角检测器，并提出了这种相角检测器的原理。

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