The paper introduced the main circuit design idea of the intelligent pulse test instrument with AT89C51 and PC computer.
文章介绍了以AT89C51和PC机为核心的智能脉冲测试仪的主要电路设计思想,利用脉冲反射法来测试电缆故障,包括脉冲的发送和接收、高速的数据采集和存储、与PC机通讯等工作,完成了电缆故障定位的第一步,仪器基本实现了半自动化和半智能化。
impact test machinery for testing industrial materials
工业材料冲击测试机
Research on Random Calling Impact-Testing Model of WCDMA
WCDMA随机呼叫冲击测试模型研究
Research and Implement of Impact Test Platform in NodeB-Tester Base on HSDPA
基于HSDPA的NodeB-Tester冲击测试平台研究与实现
Shock tests for electronic measuring instruments
GB/T6587.5-1986电子测量仪器冲击试验
The Automatic Measuring System of PTC Thermistor on AC Characteristics;
PTC工频电流冲击特性测试系统的开发
Analysis of the Telegraph Building's Surge Current
通信机楼停电时冲击电流的测试分析
Hugoniot Relation of Unreacted JOB-9003 Explosive
未反应JOB-9003炸药冲击Hugoniot关系测试
Firmness Testing of Potato with Impact Method
冲击法检测马铃薯坚实度的试验研究
Study on a Stored Testing System for Simultaneous Measurement of the Speed and Pressure of Shock Wave;
同时测速测压的存储式冲击波测试系统研究
Methods for the calibration of vibration and shock pick-ups--Testing of transverse shock sensitivity
GB/T13823.9-1994振动与冲击传感器的校准方法横向冲击灵敏度测试
Study on Bridge Motive Force Loads in the Trial, and the Self-vibration Property Test Loads the Test with the Shock;
桥梁动载试验自振特性测试与冲击荷载测试的研究
Vibration and shock isolators measuring method for its characteristics
GB/T15168-1994振动与冲击隔离器性能测试方法
Study on Numerical Simulation and Testing Method of Impact Force;
碰撞冲击力的数值计算与测试方法研究
Studies on Testing Methods and Properties of the Laser Plasma Shock Wave;
激光等离子体冲击波的测试和特性研究
Study on Wireless Data Transmission Technology for Underwater Shock Wave Test;
水下冲击波测试的无线数据传输技术研究
Analysis and Research on Shock Strength of Small Arms Optical Collimator;
轻武器光学瞄具冲击强度测试分析研究
Evaluation of uncertainty in measurement of metallic materials-Charpy notch impact test;
金属夏比冲击试验测量结果不确定度评定
The Study of Dedicated Wireless PA Module for Shock Wave Test Systems
小型专用冲击波测试系统中无线功放模块设计