ttt

锁相技术在测控、通信、数字信号处理等众多领域得到了广泛的应用。虚拟锁相环成为锁相环发展趋势之一，根据锁相环路的基本组成及原理，利用LabVIEW软件提供的强大的数值计算和信号分析等能力对锁相环进行设计。实验和仿真结果表明该软件锁相环具有较好的捕获和跟踪性能。利用软件实现的锁相环比硬件锁相环具有更好的灵活性和通用性，同时具有结构简单、参数设计灵活等优点。(Lock-in technique in many areas of monitoring and control, communications, digital signal processing, has been widely used. Became one of the virtual phase-locked loop phase-locked loop trends, according to the basic principles of composition and phase-locked loop, using LabVIEW software provides powerful numerical calculation and signal analysis capabilities such as phase-locked loop design. Experimental and simulation results show that the software PLL has a better acquisition and tracking performance. Use of software than hardware locked loop PLL has better flexibility and versatility, but also has a simple structure, flexible design parameters, etc..)

说明：  Labview 和 横河的通讯的具体编写实列和采集方式(YOKOGAWA communication with Labview)

一个非标项目的架构练习程序，用生产消费的思想和树形结构做的，跟大家分享，里面没有数据部分，只是程序架构，欢迎一起交流labview编程(A non-standard project practice application architecture, made of thought and the tree structure of production, consumption, share with you, there is no data section, just application architecture, welcome to communicate with labview programming)

声学系统测试，生成impulse noise 和non-Gaussian noise混和信号(Acoustic system testing, generate impulse noise and non-Gaussian noise mixed signals)

说明：  基于LABVIEW的TPC通信,新手练习，可以正常通信(TPC communication based on LabVIEW, novice practice, can communicate normally)

读取keithley数据的labview程序(Read keithley data labview program)

说明：  虚拟示波器的设计， 基于LabVIEW的虚拟示波器设计 (Virtual Oscilloscope)

说明：  通过labview实现tcp协议的通信，可以使用虚拟串口和电脑通信(The communication of TCP protocol can be realized by labview. Virtual serial port and computer communication can be used.)

labview编程使用中，labview和SOL语言之间对数据库的操作。(the use about labview and SQL.)

说明：  利用Labview编程调用函数库实现FFT快速傅里叶变换功能(FFT based on Labview)