卫星通信

Satellite ATM is a hot topic on satellite communication field in recent years.

卫星ATM是近年来卫星通信领域的一个研究热点，TCP业务在卫星ATM中的传输是其中一个重要的研究课题。

Job experts who communicate by letter throw this feasible whole world more distant with sight having faced fourth communicating by letter on behalf of displacement, to look forward to on behalf of moving an insolvable problem coming to resolve 3 G communication system by fourth, the nothing crack realizing the wireless network of commerce , local area network , blue-tooth , radio and television, satcom ultimately is link up and mutually compatible, realize "anybody fond dream switching in a network with any form in any place" really.

这使得全世界通信业的专家们将目光更远地投向了第四代移动通信，以期通过第四代移动通信系统来解决3G无法解决的问题，最终实现商业无线网络、局域网、蓝牙、广播、电视卫星通信的无缝衔接并相互兼容，真正实现&任何人在任何地点以任何形式接入网络&的梦想。

ABSTRACT Microcellular communications and low Earth orbit satellite communications will be playing a key role in forming the future persona...

微蜂窝通信和低轨道卫星通信是组成未来个人通信网络的重要角色。

ABSTRACT Microcellular communications and low Earth orbit satellite communications will be playing a key role in forming the future personal communications network.

微蜂窝通信和低轨道卫星通信是组成未来个人通信网络的重要角色。

The synchronous satellite is used to support some small bussinesses in the time with low business amount which nonsynchronous satellite can not cover like late at night and small hours,thus to insure the requirement of satellite communication of China with low investment cost.

本发明公开了一种中国综合卫星通信系统，它是由同步卫星和若干个非同步卫星构成，所述的非同步卫星是由中轨卫星或椭圆轨道卫星星座组成，具有区域性和时限性，即非同步卫星采用只在每天业务高峰期覆盖我国的时限区域性星座，在非同步卫星不能覆盖的低业务量时段如深夜和凌晨，可由同步卫星来支持这些小的业务量。

Our enterprise is engaged in the investment and financing of significant projects, dealing in communication equipment, satellite communication equipment, Chargable battery (Used for communication, emergency, power, start, and each kind of silicon, plumbous acid, nickel cadmium, nickel hydrogen, ithium ion, polymer lithium electricity for electric appliances ), garment ect designing and trading.

落实全球产业规划，本企业从事重大项目投融资；经营通信设备、卫星通信设备、充电电池（用于通信、应急、动力、启动、及各种小型电器的硅盐、铅酸、镍镉、镍氢、锂离子、聚合物锂电）、电力设备、服装成衣等设计、贸易的技术型企业。并提供特定行业的信息服务。详情请IE搜索&百叶龙科技贸易中心&

It adopts Human and Machine Interface visual technology to implement displaying working status of remote valve chamber devices in real time.

分析比较多种远程通信技术，选择具有传输质量好、覆盖范围广、组网灵活方便等优点的北斗卫星通信技术，实现监控中心和远程控制单元之间的双向数据通信。

The harbor monitor system in the dissertation can be seen as a vessel transport management system employing comprehensively Galileo Satellite Position technology,ECDIS and modern satellite communication technology.

本论文所提出的港口船舶航行监管系统基于欧洲Galileo卫星定位系统，综合利用Galileo卫星定位技术、电子海图技术、以及现代卫星通信技术的系统。

The on-board module is connected with the existing safety detection devices such as TCU, LCU and TAX box, through the serial interface bus, and realizes integrated data collection from electric apparatus and control system. The intercommunication platform between the locomotive and the ground is established based on the BEIDOU satellite and GPRS system; the former is used for distant communicating while the latter is used for massive communicating. The design of the ground supervision system is fulfilled.

制定了车载单元的串口总线协议，车载主控单元通过串口总线连接机车的微机控制柜、逻辑控制单元和TAX箱等现有独立的安全检测设备，实现对机车电器部件和控制系统运用状态信息的综合数据采集；综合采用北斗卫星通信和GPRS移动通信技术构建了机车与地面之间的双向数据通信平台，前者解决了在偏远地区的数据传输问题，后者解决了机车运用状态信息的大数据量传输问题。

It is widely applied in many fields,such as fixed and wireless communication,satellite communication,digital television and broadcasting,optical fiber communication,and magnetic recorders,etc.

LDPC码是第四代移动通信的关键技术之一，在移动和固定无线通信、卫星通信、数字电视和广播、光纤通信以及磁盘存储等诸多领域得到了广泛的应用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐