pulse-reflection principle

This paper first states the basic principle of constraining transient state short current. Base on the constraining waveform's characteristic, three main constraining parameters ( the constraining time, the width of constraining pulse width modulation pulse and the current after constraining) are put forth.

首先阐述了瞬短抑制的基本原理，针对其电流波形的特点提出了三个主要抑制参数，即瞬短抑制时间、瞬短抑制PWM脉宽和瞬短抑制后的电流。

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理，并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。

The configuration and principle of the system to measure the pulse width and the power time history of a multiplex beam laser are introduced, and the mathematic analyses of the probable nonlinear effect and pulse broadening are also given.

介绍了一种多路激光束的脉宽和功率变化测量系统的构成和工作原理，并给出了系统可能出现的非线性效应和脉冲展宽的数值分析。

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。

Its principle is electrotherapeutics of low-frequency pulse, that use the low-frequency pulse that to excite point of body to achieve goal of treatment, and make people feel comfortable by the stimulate of the special frequency and scope of pressure.

它的基本原理是低频脉冲电疗法，就是利用控制系统产生和控制特定的低频脉冲作用于人体的不同穴位，其脉冲频率和电压幅度完全适合人体弛张节奏，从而达到治疗的目的。

According to detection of TIG welding pool by optical sensor, through adjustment of pulse width of welding current peak value and base value by single-chip computer, the principle and method of penetration control of peripheral welds of cylinders was introduced in this paper.

本文介绍了采用光电传感器检测TIG焊缝熔透状况。通过单片机对脉冲焊接电流峰值及基值宽度的调节，控制圆筒形管环焊缝熔深的原理及方法。

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。

The blind deconvolution principle of pulse wave is studied, based on system-analysis model homomorphic deconvolution.

在同态解卷的脉搏系统分析模型的基础上,研究了脉搏信号盲解卷的原理.

The measurement principle of threshold energy of electron-stimulated desorption using pulse-modulated electron beams is introduced, and the experiments together with the results are given.

本文介绍了利用脉冲调制电子探束测量电子诱导脱附阈值能量方法的原理，同时给出了利用该方法进行电子诱导脱附阈值能量测量的实验及测量结果。

The paper presented the machanism of pulse oxygen inhalation andthe electrical principle of pulse oxygen inhalator.

本文介绍了“脉冲吸氧”的机理和脉冲吸氧仪的电原理及优越性.