本课题即是军用数字集群通信系统的预研项目的一部分。
The task is a portion of the pre-reaserch project of the digital trunk system for military.
集群通信系统要传输大量机密信息，对通信保密性要求很高。
The trunking communication system needs to transmit large amount of secret information, and have high security demand.
本文对基于CDMA的集群通信系统的功率控制进行了初步的研究。
This paper makes an initial study of forward-link power control for the CDMA cellular trunking communication system.
该电路通过了FPGA验证并成功应用于TETRA集群通信系统。
It is verified by FPGA and is successfully applied in TETRA communication systems.
最后，本文描述了可灵活重配的集群通信系统CCSAS的具体实现。
At last, this thesis describes the implementation of the flexibly configurable cluster communication system - CCSAS.
交换单元是集群通信系统中的关键部件，它直接关系到系统性能及可靠性。
Switching unit is a key part in trunking communication system. It concerns the performance and reliability of system.
本文先对集群通信系统的概念作一些阐述，包括其含义、特点和一些主要功能。
The paper describes the concepts of trunking communication system including its im-plication, characteristics and some main functions.
TETRA作为最著名的数字集群通信系统之一，其高效性和安全性得到了越来越多的关注。
As one of the most famous kinds of digital trunked communication system, TETRA's efficiency and security have been cared more and more.
从网络的角度来看，它处于IP网络和集群无线通信系统之间，把集群通信系统接入IP网络。
It located on the edge of the network and accessed the trunking system into IP network from the kernel network Angle.
所谓集群通信系统，是一种具有调度功能的高级移动通信系统，它属于专用移动通信系统的领域。
Trunking communication system is a senior mobile communication system with strong commanding and distributing features, and it is one type of private communication systems.
TETRA协议是欧洲电信标准协会(etsi) 1998年公布的一种数字集群通信系统标准。
In 1998, ETSI publicized TETRA protocal, which is a standard of digital trunked radio communication system.
近年来，随着通信的飞速发展，作为专用移动通信系统的数字集群通信系统的研究也变得越来越重要了。
Recent years, with the rapid development of communication, the research of digital trunked radio communication system becomes more and more important.
本文所研究的TDD数字对讲机，它为无绳电话、集群通信系统提供了另一种基于TDD方式的选择方案。
The digital handset studied in this thesis can provide another resolvent based on TDD for the Trunked communication system and cordless phone system.
它是一种技术更先进、业务更丰富、更具发展潜力的集群通信系统，能满足宽带数据业务和新型增值业务的需求。
It is a trunking communication system which has more advanced technology, richer business, and more potential development, and it can meet the needs of the broadband data and new value-added services.
存储网络专门用于集群文件系统的通信和访问。
The storage network is used exclusively for clustered file system communication and access.
基于TETRA数字集群移动通信系统开发的TETRA终端，通过数据业务可以发送和接收状态消息和短数据业务消息，利用短数据业务完成终端导航定位功能。
Terminal based on TETRA digital trunking mobile communication system could send and receive status and short data service message, and achieve navigation and location through short data service.
集群移动通信系统，基站，控制台和移动台。
Group mobile telecommunication system, base station, control station and mobile station.
本文介绍了MX429在集群移动通信系统中的应用。
The paper describes the applications of MX429 in trunking mobile communication system.
实测数据表明，采用XTP在一定程度上改善了集群系统通信性能。
The results of comparison show that the function of XTP can improve the communication performance of Cluster.
ETSI发布的欧洲新一代全数字集群系统TETRA是当今最先进的移动通信系统之一。
The latest generation of the digital trunked system TETRA, which is defined by the European Telecommunications Standards Institute (ETSI), is one of the most advanced mobile communication systems.
针对数字集群移动通信系统，提出一种新的随机预约控制方式，减小了预约分组信号冲突发生，提高了系统的吞吐量。
A kind of modified packet reservation random access protocol for digital trunking systems is studied, which could reduce collisions among packet reservations and increase the system's throughout.
文章简单介绍MX203的性能以及在集群系统车载台通信与报警控制器中的应用。
The paper briefly introduces the performance of MX203 and its application to the communication and alarm controllers of vehicular stations in bunking systems.
本发明属于通信技术领域，特别涉及一种空间数据集群存储系统及其数据查询方法。
The invention belongs to the communication technology field in particular it relates to a spatial data cluster storage system and data query method thereof.
本文以通信天线为对象，对典型的多车集群系统车际天线间电磁干扰特性作了研究。
The typical EMI among the antennas of multi-vehicle was studied through communication antenna in this thesis.
TETRA数字集群系统提供安全、可靠以及高效率的语音和数据通信，在全球许多国家得到了广泛的应用。
TETRA digital trunked systems provide secure, reliable and efficient voice and data communications, which are being widely used in many countries around the world.
本发明还提供了一种话权分配的系统和集群通信服务器。
The invention also provides a system of speaking right assignment and a cluster telecommunications server.
在并行文件系统中实现客户端缓存，既能够减轻集群服务器系统的通信负载，又能有效地提高文件系统的性能。
The implementation of client caching could reduces the traffic of the cluster server system and effectively improves the performance of the parallel file system.
结合路径损耗模型给出了正常工作模式下的数字集群系统无线区域覆盖范围，并给出了不同的边缘通信概率的系统覆盖范围。
And the radio regional coverage scope with the path loss model under the normal work mode is discussed, then the different edge communication probability of coverage scope is determined.
结合路径损耗模型给出了正常工作模式下的数字集群系统无线区域覆盖范围，并给出了不同的边缘通信概率的系统覆盖范围。
And the radio regional coverage scope with the path loss model under the normal work mode is discussed, then the different edge communication probability of coverage scope is determined.
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