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。
Methods an ARM embedded system was used to achieve data transmission by implementing serial communication with GPS module, Beidou receiver and wireless digital broadcasting station.
方法：采用ARM嵌入式系统，并与G PS模块、北斗接收机和数传电台进行串口通信，实现数据的传输。
Methods Based on wireless transmission and data synchronization technologies in PDA, a mobile nursing station was developed.
方法：通过掌上计算机无线传输及数据同步等技术，开发出了移动护士工作站子系统。
Using session protocol to adjust data transmission among peer applications opens up scenes and design methods of applications.
利用会话协议来调整对等应用间的数据传递关系，拓展了应用适用场景，开阔了应用的设计思路。
As one of the wireless communication methods, wireless data transmission technology has been widely focused and adopted in recent years.
无线数据传输技术作为无线通信方式的一种近年来得到了广泛的关注及应用。
In this paper, a permutation code security algorithm based on the block cipher that is widely used in the data transmission system is put up after carefully studied the current encryption methods.
基于网络的数据传输安全问题是信息安全领域的重要课题之一，本文在分析现有数据加密方法的基础上，在数据传输系统中应用一种基于分组密码新概念的新算法—排列码加密算法。
Methods To analyze and evaluate the transmission risk of infectious diseases based on the data of vectors found in containers from 2002 through 2004 at Shantou Port.
方法以汕头口岸200 2-2004年集装箱携带医学媒介生物查验结果进行媒介生物输入性风险分析评估。
Methods To analyze and evaluate the transmission risk of infectious diseases based on the data of vectors found in containers from 2002 through 2004 at Shantou Port.
方法以汕头口岸200 2-2004年集装箱携带医学媒介生物查验结果进行媒介生物输入性风险分析评估。
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