滤波

虚拟仪器Labview：FFT、采样、加窗、互相关分析仪、滤波器、谱分析、随机信号分析仪、信号发生器.exe自谱与自相关分析.exe的可执行程序(FFT, sampling, windowing, cross-correlation analysis instrument, filter, spectrum analysis, the random signal analyzer, signal generator exe autospectrum autocorrelation analysis exe executable program)

本设计采用了虚拟的NI-PCI 6221数据采集卡，利用虚拟仪器及其相关技术实现了多通道数据采集。该系统具有多路采集、实时显示、存储管理与密码保护等功能。(This design uses a virtual NI-PCI 6221 data acquisition card, using virtual instruments and related technologies to achieve multi-channel data acquisition. The system has many functions, such as multi-channel acquisition, real-time display, storage management and password protection.)

本文主要介绍了利用国产普通数据采集卡，基于美国 NI 公司提供的虚拟仪 器软件开发平台 LabVIEW 和实验室原有发动机硬件平台自行开发的一套气缸压 力采集模块和数据分析模块(This thesis primarily introduced software about cylinder pressure and crank angle acquisition and data analysis module. It is designed by using a general data acquisition board, which is based on Virtual Instrument LabVIEW offered by NI and laboratory engine. )

使用labview对频谱出现周期性尖峰的信号进行滤波处理(Labview-based signal processing projects, filter the signals that have periodic spikes in the spectrum.)

基于LabWindows CVI的界面编程。数据解析显示，指令下发(LabWindows CVI )

使用labview读取excel数据，绘制三维曲线和二维曲线(Using labview read excel data, drawing three-dimensional and two-dimensional curve curve)

说明：  使用Labview进行实时调用摄像头、按键拍照、根据俯仰角和方向角找到图像中的位置(Use LabVIEW to call the camera in real time, press the key to take photos, and find the position in the image according to the pitch angle and direction angle)

说明：  关于图像采集和处理的实际例子，适合新手学习学习(grab image and processing)

基于labview的频谱分析，简单的fft快速傅里叶变换(Spectrum analysis based on LabVIEW ， Simple FFT fast Fourier transform )

电机控制器的串口通信界面,基于labview visa,德马克电机(Serial communication interface of motor controller based on LabVIEW visa, demarcation motor)