The key problems when designing a raster ruler data acquisition card were pulses frequency multiplication and counting.
设计光栅计数卡的关键问题是对光栅脉冲进行倍频以及对倍频后的脉冲进行计数。
The industrial grating signals can be digital frequency multiplication with a phase-locked loop (PLL) controlled by a microcomputer.
用微型计算机控制锁相环(PLL)可对计量光栅信号进行数字倍频。
A new method of detecting compensating reference current for active power filters by frequency multiplication modulation (FMM) is presented in this paper.
提出了一种电力有源滤波器补偿参考电流的倍频调制检测新方法。
The paper presents a new type of loop, which USES first-order or second-order steady-state zero-error systems for locking, frequency multiplication and tracking.
本文介绍了一种用一阶或二阶无静差系统来锁定、倍频和跟踪的新型环路。
Aiming at the existing problem in harmonics measurement of power system, the paper (presented) a collecting method based on frequency multiplication phase-locked.
针对电力系统谐波测量方法存在的问题，提出了一种基于锁相倍频采集方法。
Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
利用锁相环的倍频、分频等频率合成技术，可以获得多频率、高稳定的振荡信号输出。
An L-shaped band elimination filter on the T-shaped joint part is also used for restricting the resonance of the frequency multiplication of the first resonance frequency.
位于T形接合部上的L形带阻滤波器亦用来抑制第一谐振频率的倍频的谐振。
Use a binary digital shifter replace the traditional divider in ADPLL, make the structure simple and keeps the loop gain constant when the frequency multiplication factor changes.
采用数字移位器替代传统的除法器，使得电路结构大大简化，而且在很大的倍频系数范围内都保持很好的稳定性。
The utility model discloses a clock synchronized frequency multiplication circuit, in particular relating to clock synchronized frequency multiplication circuit in circuit design and PLC design.
本实用新型公开一种时钟同步倍频电路，尤其涉及电路设计和可编程逻 辑器件设计中时钟倍频电路。
The utility model discloses a clock synchronized frequency multiplication circuit, in particular relating to clock synchronized frequency multiplication circuit in circuit design and PLC design.
本实用新型公开一种时钟同步倍频电路，尤其涉及电路设计和可编程逻 辑器件设计中时钟倍频电路。
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