通信网络

Network centric warfare; network-torpedo ; acoustic communication system ; satellite navigation location system

网络中心战；网络鱼雷；水声通信系统；卫星导航定位系统

The network-torpedo can realize real time identification, pursuit and attack on target with the information obtained effectively from battlefield at any time. We put emphasis on the functions and principles of several key technologies, including acoustic communication system, satellite navigation location system and power system. Finally, we propose some applied ideas for the network-torpedo.

展示了网络鱼雷以其能随时高效获取战场环境信息来实现对目标的实时识别、跟踪和攻击，并着重从功能及原理上对水声通信系统、卫星导航定位系统及动力系统这几项关键技术进行了较详细的论述，最后提出了网络鱼雷的作战应用设想，展望了其应用前景。

Two kind of common matching algorithms are introduced and analysed at first: Boolean expression tree and directed acyclic control flow graph,and then a better one is put forward.

随着安全产品的广泛应用、网络速度的不断加快和网络通信量的日益增大，对安全产品性能的要求也越来越高。

The algebraic operation that this article discussed the package on network node and road by combinative means of the agreement, the sheet in offerring IP encode network, group sows the implementation method of communication.

该文讨论了网络节点上包的代数运算和路由协议的结合方式，提出了IP编码网络中单、组播通信的实现方法。

Focusing on the real-time capability of CAN bus, based on its characteristics and main disadvantage, the theory of the real time capability of CAN-bus is analyzed, followed by a conclusion that with high load the network time delay would greatly augment. According to the CAN data link layer characteristic, a new schedule algorithm of time division multiplexing design based on dynamic PRI promote is presented.

论文以CAN总线的实时性问题为研究对象，在系统分析了CAN总线协议的特点并指出CAN总线的主要局限性的基础上，对CAN总线网络通信的实时性问题进行了理论分析，说明在高负载情况下网络延时会大大增强。

Therefore, we apply the distributed monitor and control network technology based on OMRON PLC to the mine hoist"s back-up protection control system, working-condition monitor system, analog data acquisition data processing system. And applying the HOST Link and the PLC Link communication technology, we realize the following functions, the real-time monitor and control the hoist"s running state and running speed on line, real-time dynamic display, unified management by computer.

为此我们把所研究的由OMRON公司的PLC组成的集散测控网络技术，实际应用到矿井提升机的后备保护控制系统和提升机的工况检测、模拟量的数据采集与处理系统之中，并且应用PLC网络中的HOST Link和PLC Link通信技术，具体实现了对提升容器的运行状态、运行速度的在线实时监控和动态显示以及计算机的统一管理。

The network analysis situs system selects the main line distributional structure, uses the mature industry control network CANBUS technology, its highest correspondence speed may reach 1 Mbps/40m, its farthest may reach 5Kbps/1Okm, may satisfy the common information and the pronunciation transmission speed and the distance request.

网络拓扑系统选用总线分布式结构，采用较成熟的工业控制网络CAN总线技术，其最高通信速率可达1 Mbps/40m，最远可达5Kbps/1Okm，可满足一般信息和语音传输速率和距离的要求。

The network analysis situs system selects the main line distributional structure, uses the mature industry control network CANBUS technology, its highest correspondence speed may reach 1 Mbps/40m, its farthest may reach 5Kbps/10km, may satisfy the common information and the pronunciation transmission speed and the distance request.

网络拓扑系统选用总线分布式结构，采用较成熟的工业控制网络CAN总线技术，其最高通信速率可达1 Mbps／40m，最远可达5Kbps／10km，可满足一般信息和语音传输速率和距离的要求。

It can link up with internet in an interactive way, it is syncretized with traditional domestic appliance, computer technology and modern communication technology, it is intellectualized and has network terminal function, and it can release, receive and handle relevant information on own initiative.

信息家电即网络家电，是一种能以互动方式与Internet连接，将计算机技术、现代通信技术融入传统的家用电器之中，使之智能化并具有网络终端的功能，可以主动发布、获取和处理相关信息的新型家用电器产品。

ABSTRACT Asynchronous transfer mode is a rapidly emerging key transport mechanism of future multimedia networks.

作为未来多媒体网络的关键传输机制，ATM迅速崛起，已有的无处不在的无线网络正企图支持个人通信业务，这样势必导致无线ATM。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。