通信的

Satellite mobile communication system has become one of the galloping communication research fields and a useful means of modern communication.

卫星移动通信系统已经成为当前通信领域中发展非常迅速的研究方向和现代化通信强有力的手段之一。

The method has the ability to resist the gusty noise in the channel and improve the quality of the chaotic communication.

该方法能有效抵御突发噪声干扰对通信系统的影响，提高混沌调制通信系统的通信质量。

Because of their powerful anti-interference and multi-address, spread-frequency and FH are used for military and civil purpose more and more frequently.

由于扩展频谱通信、跳频通信极强的抗干扰能力和多址通信能力，使其在军事和民用上得到了越来越广泛的应用。

On the basis of setting up a model of the parallel transmission link of short-wave data communication system, this paper analyses the anti-noise performance of data communication in a non-selective Rayleigh gradually fading ionosphere channel, and derives the average error code rate formular and its curves.

在建立并发制短波数据通信系统模型的基础上，分析了非选择性瑞利慢衰落电离层信道中数据通信抗噪声性能，并导出了平均误码率公式，生成了误码率曲线，为雷达情报短波数据通信链路的仿真及效能评估提供理论依据

Satellite channel simulator can simulate transmission characteristics of electromagnetic wave close to real channel environment.

卫星移动通信系统已经成为当前通信领域中发展非常迅速的研究方向和现代化通信强有力的手段之一。

Based on it, a detailed discussion about network management functions of the stratospheric communication system was made. And the network management model based on simple network management protocol for this system was given.

在此基础上研究了平流层通信系统网络管理技术，阐述了平流层通信系统网络管理的要求和应具备的功能，并结合简单网管协议设计了平流层通信系统网络管理模型。

The results show that DFH is not a LPI communication manner, and its security relies on the transition function.

分析结果表明：相关跳频通信并不是一种杭截获的无线通信方式，其通信安全是建立在转移函数机制上的。

Then, the universal CNC class is established using the thoughts of O-O technology and the models of send process, receive process and remote process is expressed by UML language.

提出了针对串行通信数控机床构建局域网式DNC通信结构的技术方案，即基于以太网的DNC通信技术。

In this paper,based on the development of automatic packaging production line of cathodal copper control system,for accurate measurement of copper weight in online in the project,studied the real-time communication between the industrial control computer and METTLER TOLEDO electronic balance,and through VB Control designed communication procedures to achieve data communications and data collection.

通过阴极铜自动包装生产线控制系统的研制，针对该项目中在线精确计量铜垛重量，研究了工业控制计算机与梅特勒-托利多电子秤之间的实时通信，并通过VB控件利用两种方法设计了通信程序，实现了数据通信和数据采集。

This paper then fays its emphasis on the connection of B-CDMA with PCS and its characteristics. It also proposes that the B-CDMA system's great potential in applying to such areas as loral communication and personal communication is shown when compared wlth other systems.

重点介绍了宽带码分多址接续个人通信系统及其特性，较详细阐述了B－CDMA系统与其它系统的异同，表明B－CDMA系统在区域通信、个人通信等领域具有极大的应用潜力。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。