摘要： 本文简要介绍了基于USB总线的航向姿态系统角度测量仪的设计原理，并详细描述了其软件和硬件的组成结构。 Abstract: The design principles of heading angle measuring system based on the USB bus are introduced briefly in this paper, and the composition of its software and hardware architecture are descriped in detail.
关键词： USB总线；角度测量；CY7C68013A
Key words: USB bus；angle measurement；CY7C68013A
中图分类号：TH475 文献标识码：A 文章编号：1006-4311（2012）03-0154-02