dabing20120602

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 )

1. 一个完整数据采集系统的基本组成部分 2. NI 提供了基于哪些平台的数据采集硬件产品，它们分别适用于什么样的应用领域 3. 数据采集设备硬件选型过程中应该关注哪些重要参数(Introduction of NI data acquisition hardware 1. Basic components of a complete data acquisition system 2. NI provides data acquisition hardware products based on which platforms and which application areas they are suitable for respectively. 3. What important parameters should be paid attention to in the process of hardware selection of data acquisition equipment)

一种登录系统，可以实现用户账号密码登录等功能(A login system, you can achieve user accounts, passwords, login and other functions)

使用labview操作数据库的函数，可以进行插入、删除，查询等操作。(Labview database operations using functions, you can insert, delete, query and other operations.)

USB设备数据读取，将USB中数据保存到电脑上(USB device data read, save the data from USB to the computer)

LabVIEW 八通道数据采集（生产者消费者结构）可以看一下(LabVIEW eight-channel data acquisition (producer-consumer structure) can look)

一本介绍labwindowCVI的基础教程，手把手教会你使用labwindow,制作自己的软件。(1 describes the basis for labwindowCVI tutorial Shoubashoujiao will you use labwindow, create their own software.)

本代码编制测距传感器的串口通讯接口VI；通过波形图表显示连续读取的测距-时间曲线，并将有效测量范围外的数据滤除。(This code compiles the serial communication interface VI of ranging sensor, displays the continuous read ranging-time curve through waveform chart, and filters out the data outside the effective measurement range.)

说明：  简单的位功能，可以帮助您了解相关功能，方便学习。(Simple bit function can help you understand the relevant functions and facilitate learning.)

说明：  LabView信号处理算法，包括功率谱，幅值谱，小波分析等(LabVIEW signal processing algorithm)