set-reset pulse

Based on introducing the principle for measuring the torsional vibrations of rotating shafts and its signal process about the time pulse method, the construction and functions of a newly developed monitoring and analyzing system for the torsional vibrations of turbogenerator shafts are set forth in detail.

本文在介绍时间脉冲法测量旋转轴系扭振的原理及信号处理的基础上，详细阐述了新近研制的汽轮发电机组轴系扭振监测与分析系统的结构组成和功能分析。

This article introduces the work principle of PLC controlled pulse packs dust catcher, The exterior code switch can be the timer to control the set value, and the design method of using exterior matrix circuit to reduce the output and multiply the control points is described.

文章介绍用PLC自动控制脉冲袋式除尘器的工作原理，指出用外部拨码开关，可作为定时器控制设定值，叙述使用外部矩阵电路减少输出点、增大控制点的设计方法。

Objective In order to develop an electrotherapy apparatus with 50 kHz square wave pulse and to set up a new type of drug-iontophoresis system.

目的研制50kHz方波脉冲电疗仪，以建立新型药物离子导入系统。

Design of Active Pulse Doppler Radar Fuze Test Set

主动式脉冲多普勒雷达引信测试设备设计

Use select signal of tower from intrinsic programmable control system to differentiate count pulse of cutter displacement of two towers, which make two towers use a set of display;

利用原有程控系统中的选塔信号来区分两塔的钻具位移计数脉冲，实现两塔共用一套显示器；