Practica-1

产品音频信号测试，通过labview做出的建议的声音分析，平率分析对比的功能。(Product audio signal testing, through the voice analysis of the recommendations made by the lab view, flat analysis and comparison function.)

说明：  和宇电温控表通过RS485通信，可读取设置宇电温控表参数以及实时读取(Read and set the parameters of Yudian temperature control meter and read in real time)

一个用VISA和usb通讯的简单VI 可以实现VISA和USB之间的通讯(A VI.its used for labview . it connects to usb with VISA.it s a useful VI.you can learn from the VI.)

说明：  FOR循环计算0——99偶数的和，用到for循环以及移位寄存器(FOR loop calculates the sum of 0-99 even numbers, using for loop and shift register)

labview实现多条曲线的叠加，非常好用。比较好的控件(The labview achieve curve superimposed, very easy to use. Better control)

Labview与变频器的485通讯实现代码，包含CRC校验子VI。(The 485 communication code between Labview and frequency converter includes CRC checker VI.)

labview的一个usb和visa通讯的很好的一个参考例子(LabVIEW a USB and visa communication is a good example of reference)

一个简单数据的采集和显示的程序，可适用于多种通讯协议，适合初学者学习(A simple data acquisition and display program, suitable for a variety of communication protocols, for beginners to learn)

说明：  对（极值域均值经验模态分解）EMMD算法的实现(Implementation of EMMD algorithm)

一个利用LABVIEW编制的动平衡测试软件，主要用于高速旋转的轴类质量偏心的修正。(A dynamic balance testing software produced by using LABVIEW, it is mainly used for high speed rotating axial eccentric mass correction.)