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摘 要 现在的数字示波器可以准确捕获各种周期信号、非周期信号,数字示波器已成为科研实验和工程项目中各类信号采集、记录和分析的最主要设备之一。
由于很多情况下,需要把数字示波器采集到的数据进行数据处理和分析,最终完成远程的自动测试和分析的需求。
因此对示波器进行远程自动控制,实现对示波器的各项功能的自动操作和对数据的处理已成为很多科研实验和工程项目必需的环节。
高端示波器在测试技术中的应用日益广泛,示波器与计算机的通信成为常需要解决的问题。
本文介绍了泰克示波器与计算机的串口通信及实现方法,用 LabVIEW 语言设计了软件,指出并解决了通信中的疑难问题。
设计实现了顺利通信,获得了正确而完整的被测信号波形,为示波器与计算机的结合使用提供了一个有价值的工程应用的参考。
论文最后对示波器控制程序进行了测试和误差分析,达到了预先的设计要求。
关键词:labview 示波器控制串口通信 Abstract Now digital oscilloscope can accurately capture a variety of periodic signalsaperiodic signals digital oscilloscope has become a research laboratory and engineeringprojects in various types of signal acquisition recording and analysis of the mainequipment. As in many cases we need to collect data digital oscilloscope for dataprocessing and analysis the final completion of remote automated testing and analysisrequirements. Therefore remote control of the oscilloscope to achieve automaticoperation of the various functions and data processing that has become a lot of scientificexperiments and projects necessary link. High-end oscilloscope testing technology is usedwidely in the oscilloscope and computer communications often become problems to besolved. This article describes the Tektronix oscilloscope and computer serial communicationand implementation methods language designed by LabVIEW software point out andsolve difficult problems in communication. Designed to achieve a smooth communicationaccess to correct and complete the signal waveform of the oscilloscope used inconjunction with the computer provides a valuable reference for engineering applications.Finally the paper oscilloscope control procedures were tested and error analysis reachingthe pre-design requirements.Keywords:LabVIEW remote control of oscilloscopeSerial communication 目 录1 绪论 ......................................................................... 1 1.1 仪器控制的概述 .......................................................... 1 1.2 示波器控制程序概述 ...................................................... 2 1.3 图形化编程语言 LabVIEW ................................................... 2 1.4 示波器控制程序应用前景 .................................................. 22 示波器控制程序方案论证........................................................ 3 2.1 控制程序所研究的问题 .................................................... 3 2.2 控制程序使用编程软件的论证 .............................................. 3 2.3 完成设计的条件 .......................................................... 43 示波器整体方案的设计 ......................................................... 5 3.1 示波器控制的系统构架 .................................................... 5 3.2 控制程序的结构 .......................................................... 6 3.3 控制程序实现方案 ...............