The structures of two widely used fieldbus, i. e. , PROFIBUS-DP and MODBUS are analyzed, as well as the data transmission methods and the feasibility to design the protocol conversion gateway.
分析了工控领域广泛应用的现场总线PROFIBUS-DP与MODBUS的协议结构与数据传输方法、设计协议转换网关的可行性以及网关的电路设计与工作流程。
Based on these analysis, methods for improving data transmission rates in two representative applications of WPAN are proposed based on characteristics of these applications.
最后分析了无线个域网两种典型应用环境的特点，并根据前面的结果分别给出了这两种应用环境下提高数据传输速率的方法。
This paper discusses the two Web-page models' models, principles, Web-pages making, transmission methods of information (data) as well as the connection and access technology of database.
对这两种模型页面的模型及其原理、页面制作、信息(数据)传送方式、数据库的连接与访问技术等四个方面进行了对照研究。
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