基于LabVIEW的光强检测系统设计

论文编号:DZXX135  论文字数:11453,页数:36

摘要
 
 在这个信息、技术日新月异的时代，利用计算机和网络等技术对传统产业进行改造已是大势所趋。光强检测在物理实验中占有很重要的地位,而且在食品生产、机械化等领域中也得到了越来越广泛的应用。基于LabVIEW的光强检测系统将网络技术引入测试领域,不仅是虚拟仪器发展的必然,也是很多测试任务的要求
 LabVIEW面向测试工程师，具有开发简便，技术集成化高，性能扩充性好，自动化程度高及系统成本低等优点。通过网络化虚拟仪器,人们不仅可以共享测量数据,而且可以构建网络化测试系统,从而可以在更大范围内提高人们的测试效率。
 本文介绍了LabVIEW的概念、产生、发展及应用。对光强检测系统进行模块化分析，其中，重点介绍了与课题实现相关的光敏电阻的特性，曲线拟合，光强检测系统前面板程序设计与实现。

关键词：光强；光敏电阻；LabVIEW

ABSTRACT

 In this rapidly changing era of information and technology, computer and network technologies to transform traditional industries is the trend of the times. The Detection System of light intensity occupies a very important position in the physical experiment, and also got a more and more extensive application in the realms, such as food production and mechanization...etc. The Detection System of light intensity which according to LabVIEW leads the network technique into the test realm, Not only is the inevitable development of virtual instruments, but also is the requests of plenty of test missions.
 LabView faces Test Engineers, the advantage is easy to develop, the technique integration turns high, the function enlargement is good, the automation degree is high and the system cost is low...etc. Turn virtual instrument through the network, people can not only share the diagraph data, but also set up the network to turn the test system, can raise people's test efficiency in a larger scope thus.
 This text introduced LabVIEW concept, creation, development and applications. It carry on the mold piece to turn analysis with, the point introduced to carry out the characteristic of the related CDS with topic, curve fitting, front panel program of the Detection System of the light intensity design and realization.
 Keywords: light intensity；CDS；LabVIEW 
 目录

摘要 I
ABSTRACT II
第1章 引言 1
 1.1背景、意义及发展 1
 1.2 虚拟仪器概述 2
 1.3虚拟仪器的构成 3
第2章 检测系统及其所用软硬件概述 6
 2.1系统概述 6
 2.2 LabVIEW概述 6
 2.2.1 LabVIEW虚拟仪器开发平台 6
 2.2.2 LabVIEW应用程序设计 7
 2.2.3 LabVIEW运行机制 8
 2.3 MATLAB概述 9
 2.4 ELVIS概述 11
第3章 ELVIS外部硬件模块设计与实现 14
 3.1 光敏电阻的特性 14
 3.1.1光敏电阻的光照特性 14
 3.1.2光敏电阻的伏安特性 14
 3.1.3光敏电阻的光谱特性 15
 3.1.4光敏电阻的频率特性 16
 3.2 ELVIS外部硬件电路 16
第4章 检测系统各模块设计与实现 17
 4.1 MATLAB曲线拟合模块 17
 4.1.1曲线拟合简介 17
 4.1.2电压和光强的曲线拟合 17
 4.2 LabVIEW模块 19
 4.2.1 LabVIEW后面板程序编写 19
 4.2.2 LabVIEW前面板程序编写 23
 4.3 检测系统运行结果与分析 24
第5章 结束语 29
致谢 30
参考文献 31

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