Web服务除需要传统的分布式和数据库事务模型所提供的行为之外，还需要有灵活的、可扩展的机制来对请求和输出结果进行控制。

Web services require a flexible and extensible mechanism for controlling requests and outcomes in addition to the behavior offered by traditional distributed and database transaction models.

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提出了一种嵌入式系统设计方案及实现方法，主要通过ARM进行远程数据通信，通过DSP实现解调算法，并扩展了多种输出接口。

The design scheme and realization method of embedded system are presented. ARM was used to communicate data and DSP implemented phase demodulation, and it expanded several interfaces.

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