ykwt500

几个练习使用Labview编程的产物，主要包括：1.正弦扫频信号发生器，可选择频率变化规律（不变、线性、指数变化）以及幅度变化规律（不变、线性、指数变化），还可以通过MathScript节点自定义频率、幅度变化规律； 2.声卡数据采集及频谱分析；3.会说话的小圆点；4.十六进制数布尔数组显示；5.在字符串中显示多种字体；6.钢琴键盘模拟(Several products by practicing Labview programming, including: 1 Sine sweep signal generator, selectable frequency variation (constant, linear, exponential change) and amplitude variation (constant, linear, exponential changes), you can also customize the frequency and amplitude variation through MathScript Node 2 sound card data acquisition and spectrum analysis 3 talking dots 4 hexadecimal to boolean array display 5 display a variety of fonts in the string 6. Piano keyboard simulation )

di电子测量技术基础的课程设计总结报告，题目是基于虚拟仪器技术的频谱分析仪设计，本文详细论述了开发平台labview8.5实现该设计各部分功能的原理及方法，并对本设计创新点，存在问题等做了分析，附带个人总结。(di Electronic Measurement Technology curriculum design summary report entitled spectrum analyzer based virtual instrument technology, the paper discusses in detail the principles and methods of development platform labview8.5 implement the function of each part of the design, and this design innovation, there is a problems were analyzed, with personal summary.)

计算机虚拟仪器图形编程LabVIEW实验教材，包括基础的labview实验指导(Computer virtual instrument graphic programming LabVIEW experimental teaching material)

说明：  采用cvi语言编写 对agilent 34970a万用表进行数据采集和复位处理，可作为在 labwindows/cvi使用agilent 34970a万用表进行数据采集的参考代码(Cvi languages used on the agilent 34970a multimeter for data collection and reduction processing, can be used as in labwindows/cvi using agilent 34970a multimeter for data collection reference code)

通过labview控制信号发生器和锁相放大器进行共振频率检测的程序。freq test.vi实现信号发生器的频率扫描，lockin test.vi 实现锁相放大器的参数设定，数据采集.vi实现锁相数据的采集，waveform arrays to file实现波形数据到文件数据的转换。共振频率测试.vi实现晶振等共振频率的测试(Resonance frequency detection procedures performed by labview control signal generator and lock-in amplifier. freq test.vi achieve frequency sweep signal generator, lockin test.vi setting parameters to achieve lock-in amplifier, a data acquisition. vi achieve phase lock data acquisition, waveform arrays to file converted waveform data to achieve document data. The resonance frequency of the test. Vi achieve crystal and other resonant frequency test)

说明：  LABVIEW机器视觉通用框架,直接套用于工程项目(LAbview machine vision general framework)

labview通过串口与下位机单片机通信，传输控制信息。(LabVIEW through the serial port and lower computer microcontroller communication, transmission control information.)

对振动信号采集和分析，包括信号采集，时域分析，品与分析 故障定位(Vibration signal acquisition and analysis)

说明：  对于无法实现硬件定时的数据卡来说，这个vi提供了软件定时的功能(For data cards that cannot achieve hardware timing, this VI provides software timing capabilities)

本软件用于轴扭矩的测量，可以同时测量两根轴，且可自行设置应变片形式、应变片系数、弹性模量、泊松比等。(The software for the shaft torque measurement, the two axes can be measured simultaneously, and may be provided in the form of self-gage, gage coefficient, elastic modulus, Poisson' s ratio and the like.)