The paper aimed at the adoption of the IGBT SPWM (Sinusoidal Pulse Width Modulation) signal source and IGBT test system research for the production of IGBT manufacturer to provide testing methods.
本文旨在通过对IGBT的SPWM信号源及IGBT测试系统的研究，为生产IGBT的厂家提供可借鉴的测试方法。
A new method of built in self testing for pulse doppler radar digital signal processor was advanced.
提出了一种脉冲多普勒雷达数字信号处理机机内测试方法。
A pulse laser simulator used for testing the performances of laser range finder system is introduced in the paper.
介绍了一种用于测试激光测距机系统性能的脉冲激光模拟器。
The pulse signal DAQ instrument is developed for testing motor vehicle performance.
针对汽车性能道路试验特点研制了脉冲数据采集仪样机。
The resistance and Seebeck voltages used to calculate the ZT and the maximum temperature difference are measured using a testing system composed of a DC pulse generator and a DAQ card.
利用一个由恒流脉冲发生器和数据采集卡组成的简单测试系统测得制冷器在小电流下的电阻电压和塞贝克电压，通过这两个电压推导出ZT值、最大制冷温差。
Pulse sound monitor developed by the authors was applied in testing pulse sounds of athletes of different events and levels before training.
运用自研的脉搏声谱检测仪，对不同项目和不同水平的运动员在训练前的脉搏声进行了测试。
Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.
分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。
The Agilent 81150a pulse function arbitrary noise generator provides versatile waveforms for pulse generation as well as noise generation for stress testing.
安捷伦81150A脉冲函数任意噪声发生器可为脉冲发生提供多用途波形，还可以为压力测试提供噪声发生。
In addition, observation precision can be greatly improved by using spike pulse shear wave transducer with corrected polarization, and assisted testing methods.
同时，使用窄脉冲横波换能器，并对其偏振特征进行校正，以及借助辅助测试可以大大提高测试精度。
The results of this investigation provides the bases on principle experiments of UWB radar fuze, and it also provides the method for the testing of object pulse response character.
超窄脉冲源的研究成果为冲激引信原理性试验提供了基础，也为目标冲激响应特征的测试提供了手段。
Static pressure, blasting testing experiment platform, pulse pressure sets several production and testing equipments.
静压、爆破试压实验台、脉冲试压台等数套生产检测设备。
It was difficult for pulse testing in the low permeability reservoir, selection of calculation point of pulse directly affected the interpreting results of pulse pressure response curves.
低渗透油藏脉冲试井难度大，脉冲计算点的取法直接影响脉冲压力反应曲线的解释结果。
To solve the problem of exaggerated angle pulse in the ratio driving and tracing measuring technique in testing in situ for large gears, the programmable dynamic frequency doubler has been developed.
为解决大齿轮在机测量过程中采用比例驱动跟踪测量技术时转角脉冲当量过大的问题，研究开发了可编程动态倍频器。
This article described the application of a pulse hydraulic fatigue testing machine's data acquisition and data processing design.
介绍一种应用于液压脉冲疲劳试验机的数据采集及数据处理的设计方案。
After testing, the final peak saw-tooth shock pulse is basically suitable for shock testing rules. It provides the theoretical basis to realize shock pulse.
通过试验，得到了基本符合冲击试验规范的后峰锯齿波冲击脉冲波形，为实现任意冲击波形提供了理论依据。
High-speed transient signal is tested with the testing methods of high-speed oscillograph and fast electronics pulse sampling.
采用高速示波器法和电快脉冲取样法测试高速瞬态信号。
Aimed at the requirements of the low power consumption for memorizing and testing technology, miniature pulse-powered electro-optical invert switch was developed.
针对存储测试技术对测试系统低功耗的要求，研制了微型脉冲供电式光电倒置开关。
The influence factors such as the dimension of exciting coil, the frequency, the duty ratio and the voltage of exciting pulse were analysed, the principle of choosing testing parameters was proposed.
分析了激励线圈的尺寸、激励脉冲的频率、占空比和电压等因素对脉冲涡流检测系统的影响，给出了实际检测过程中选择参数的原则。
The secondary impact acceleration pulse which is produced by the drop-test can influence the testing parameters and cause fatigue and damage of components.
凸轮式跌落冲击台产生的次冲击能够影响试件的测试参数和性能，并能造成试件的疲劳损伤与失效。
The exploratory testing study of modifying and fining the solidification structure of concast steel billet is carried out in concast production by the technology of electro-pulse modification.
在连铸生产中利用电脉冲孕育处理技术，开展改善和细化连铸坯凝固组织的试验研究。
Pulse Echo method (PEM) is a fast, economic and feasible method for Low-strain Dynamic Testing (LDT) of piles.
小应变反射波法是当前在工程桩基检测中应用的动测法之一。
With some well drilling engineering in Changqin Oilfield as the background, this paper introduces a pattern identification method for signal demodulation with mud pulse testing slope sensor.
以长庆油田某钻井工程为背景，介绍了泥浆随钻测斜仪信号解调的模式识别方法。
Testing bearing pile with low strain method will be some defects in the bottom if the echo from the tip has the same phase as the pulse at the top.
用低应变法检测嵌岩桩，若桩底出现明显同相反射，多数因桩底缺陷引起。
Testing bearing pile with low strain method will be some defects in the bottom if the echo from the tip has the same phase as the pulse at the top.
用低应变法检测嵌岩桩，若桩底出现明显同相反射，多数因桩底缺陷引起。
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