▍1. power_analyse
此源程序为用Labview程序编制的,针对采集信号的功率进行分析。(The source code for the use of Labview programming, and for collecting the signal power for analysis.)
此源程序为用Labview程序编制的,针对采集信号的功率进行分析。(The source code for the use of Labview programming, and for collecting the signal power for analysis.)
【实例集锦】LabVIEW在数字信号处理中的应用(【Collection】 examples in LabVIEW Digital Signal Processing Application)
labview编写的振动信号数据采集处理,编写的振动信号数据采集处理。(signal collection, signal processing with Labview, Labview data acquisition of vibration signal processing.)
Labview关于信号处理方面的应用,labview在测试与信号处理方面有很广泛的应用。(Labview on signal processing applications, labview have a very wide range of applications in testing and signal processing.)
说明: 通过labview实现停车收费系统,包括串口的选取、读取收费卡号,初始化钱包,进行充值,扣钱,显示余额等功能。(Through LabVIEW, the parking charge system is realized, including the selection of serial port, reading charge card number, initialization of wallet, recharge, deduction, display of balance and other functions.)
给出百分制成绩,要求输出成绩等级,90分及以上为A,80分至89分为B,70分至79分为C,60至69分为D,59分及以下为E,小于0分或者高于100分弹出错误提示框。(Given percentile scores, the required output Grade, 90 points and above for A, 80 to 89 are divided into B divided into C, 70 to 79, 60 to 69 is divided into D 59 and for E < 0 or higher than 100 pop-up error message box.)
1)、设计一个程序控制8个外设小灯的点亮方式,要求两种方式A:每个小灯间隔时间T,依次亮,时间T可调,并循环。B:先1.3.5.7.9亮隔时间T,2.4.6.8.10亮,并循环,T可调。 2)、要求主面板与硬件的8个小灯同步。 3)、通过网络在另一台计算机上控制此程序的运行(利用LabVIEW的DateSocket技术)((Network control of virtual instruments 1), design a program to control eight peripheral lights lit the way, the requirements in two ways A: each light interval T, followed by bright, time T adjustable, and circulation. B: first 1.3.5.7.9 bright every time T, 2.4.6.8.10 light, and circulating T-adjustable. 2), requires eight small lights of the main panel and hardware synchronization. 3), through the network control of this program running on another computer (using the LabVIEW DateSocket technology)))
说明: 1)、设计一个程序控制8个外设小灯的点亮方式,要求两种方式A:每个小灯间隔时间T,依次亮,时间T可调,并循环。B:先1.3.5.7.9亮隔时间T,2.4.6.8.10亮,并循环,T可调。 2)、要求主面板与硬件的8个小灯同步。 3)、通过网络在另一台计算机上控制此程序的运行(利用LabVIEW的DateSocket技术)((Network control of virtual instruments 1), design a program to control eight peripheral lights lit the way, the requirements in two ways A: each light interval T, followed by bright, time T adjustable, and circulation. B: first 1.3.5.7.9 bright every time T, 2.4.6.8.10 light, and circulating T-adjustable. 2), requires eight small lights of the main panel and hardware synchronization. 3), through the network control of this program running on another computer (using the LabVIEW DateSocket technology)))
通过设置图形的属性节点,活动曲线以及曲线是否可见来实现用复选框控制对应曲线波形的有无,非常实用!(Set graphics attribute nodes activity curve, and the curve is visible to realize the presence or absence of the corresponding curve waveform check box control, very useful!)
模拟多种信号的产生,频率和幅值可调,并显示波形。(A variety of signals are simulated, the frequency and amplitude are adjustable, and the waveform is displayed.)
基于LabvIEw的通用自动测试系统(ATs)舍计算机,可鳊程激励、响应数据采集及uuT模块,采用MxI总线控制方式。专用信号发生器为uuT提供模拟激励信号,矩阵开关和适配器完成不同信号间切换。主控计算机执行测试程序,信号发生器发送激励信号,数据采集卡采集数据,采集数据经调理后,并与标准数据|匕较是否满足相应测试结果。(The general automatic test system (ATs) based on LabvIEw can be used as a computer to excite, respond to data acquisition and uuT module. The control mode of MxI bus is adopted. Special signal generator provides analog excitation signal for uuT, matrix switch and adapter complete switching between different signals. The main control computer executes the test program, the signal generator sends the excitation signal, the data acquisition card collects the data, after the data acquisition is adjusted, and compares with the standard data | dagger whether it meets the corresponding test results.)
说明: 基于LabvIEw的通用自动测试系统(ATs)舍计算机,可鳊程激励、响应数据采集及uuT模块,采用MxI总线控制方式。专用信号发生器为uuT提供模拟激励信号,矩阵开关和适配器完成不同信号间切换。主控计算机执行测试程序,信号发生器发送激励信号,数据采集卡采集数据,采集数据经调理后,并与标准数据|匕较是否满足相应测试结果。(The general automatic test system (ATs) based on LabvIEw can be used as a computer to excite, respond to data acquisition and uuT module. The control mode of MxI bus is adopted. Special signal generator provides analog excitation signal for uuT, matrix switch and adapter complete switching between different signals. The main control computer executes the test program, the signal generator sends the excitation signal, the data acquisition card collects the data, after the data acquisition is adjusted, and compares with the standard data | dagger whether it meets the corresponding test results.)
说明: 一个不错的自动化测试案例,可以查看编程框架和一些数据类型用法(A good automation test case)
labview中对串口进行操作,注意:这不是普通的操作方法,而是使用队列的方法,避免了数据乱串的象限。(labview visa queue control)
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..)
读写波形文件,将波形数据写入文件中,然后在读出来显示出来(Read and write waveform files, write waveform data to the file, and then read it out.)
虽然简单,但是基础,用labview实现的01随机数并生成直方图(Though simple, but basic, with labview achieve 01 random numbers and generate a histogram)