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虚拟万用表，4060模拟，采用labview编写(Virtual multimeter, 4060 Analog, labview write)

自功率谱是分析非平稳信号频谱的重要手段。对于非平稳信号来说，利用自功率谱分析能够更容易找到信号中能量聚集区域，对信号中的频率分布有更好的了解。本文件中将其制作成独立子VI方便程序直接调用。(Self power spectrum is an important method to analyze the spectrum of non-stationary signals. For non-stationary signals, it is easier to find the energy accumulation region in the signal by using self power spectrum analysis, and better understand the frequency distribution in the signal. This document will be made into an independent sub VI convenience program to call directly.)

labview与串口通信得到串口示波器的波形图(get chart serial port)

说明：  labview 的循环创建数组，并存入电脑excel(The LabVIEW loop creates an array and stores it in the computer Excel)

说明：  程序显示如何在labview中读取键盘、鼠标和操纵杆(recognition of keyboard input, mouse input and joystick input)

labview中实现前面板的打印，打印格式为PDF.通过设置VI的属性实现报表打印(achieve labview front panel printing, print format is PDF. realized by setting the properties of print statements VI)

单向的BOOST PFC电路，是连续模式的，可以使用。控制策略为电压电流双环控制(Boost PFC for MATLAB)

基于Labview的数据存储，将采集到的信号经过GPRS模块串口通信 并存储在指定文件里。(Labview based data storage, the collected signals through the GPRS serial communication module and stored in the specified file.)

基于labview的FIR数字滤波器设计(Design of FIR Digital Filter Based on LabVIEW)

基于LabVIEW的数字电压表设计。 1．掌握数字电压表的基本原理和方法； 2．基于LabView设计数字电压表并实现；(Design of digital voltmeter based on LabVIEW. 1. Master the basic principles and methods of digital voltmeter; 2. Design and implement digital voltmeter based on LabView;)