基于HID的API函数编写，用VB实现的界面，能够采集USB传入的两路数据，实现正弦波的数据和相位运算-Prepared based on HID' s API functions, to achieve the interface with VB, to capture two-way USB incoming data, to achieve phase sine wave data and computing

详细介绍V i s u a l C + + 6 ． 0 环境下利用Wi n d o w s A P I 函数来实现与符合mD设备类的U S B接口通信 。 -Details V isual C++ 6. 0 environment using Wi ndows API function to achieve and meet the mD device class USB interface communication.

通信系统中扰码的实现,采用Matlab的S函数()