片语

air interface user rate空中接口用户速率

air-water interface空气水分界面

Air Interface Evolution空中接口演进

air liquid interface气液相界面

air bubble interface transfer气泡界面传质

gas-air r interface气体

Air r Interface空中接口

英汉例句

• in order to achieve above targets, new wireless air interface technologies must be applied. orthogonal frequency division multiplexing is one of the candidate technologies in b3g systems.

  为了满足这些要求，需要应用新的无线空中接口技术，以正交频分复用技术为核心的超三代移动通信系统应运而生。

• for requiration of this service, research of air interface protocol stack of mobile station, as a key point tetra system, became an important direction.

  为了满足这种需求，作为tetra系统核心内容的移动台空中接口协议栈的开发就成为一个重要的研究方向。

• this paper presents the analyses of tetra air interface protocol, and then introduces the software implementation method of tetra network layer protocol use uml.

  分析了tetra空中接口协议，提出一种基于uml语言开发tetra协议高层信令的方法。

• the air interface security technologies for the protection of data confidentiality and data integrity in 3g are discussed.

  讨论了第3代移动通信系统的空中接口安全保护技术，包括数据机密性保护、数据完整性保护。

• rrc lies in the 3rd sublayer of air interface protocol stack, the main function of which is the control and management of radio resource.

  无线资源控制（rrc）子层位于空中接口协议栈的第3层，它主要完成无线资源的控制和管理功能。

• this article briefs the broad-band wireless access system, and systematically details the ieee standard 802.16.1by giving its system model, air interface proto-cols of mac and phy layer.

  文章简介了宽带无线接入系统，着重对美国ieee标準802.16.1系统进行了介绍，给出其系统模型及其空中接口mac、phy层协议内容。

• the tetra system also supports powerful dmo mode and enables authentication, air interface encryption and end-to-end encryption.

  能支持功能强大的移动台脱网直通（dmo）方式，可实现鑒权、空中接口加密和端对端加密；

• incremental redundancy is included in egprs to achieve maximum efficiency over the air interface (rf).

  egprs中采用冗余递增技术，通过空中接口（rf）实现最大效率。

• a kind of wireless atm air interface cell format was defined, and a cell protection field at transmission convergence sub layer of wireless physical layer was designed.

  定义了一种无线atm空中接口信元格式，设计了无线atm物理层中传输会聚子层信元保护域。

• a communications link is established over the first air interface between the mobile station and the first base station.

  在移动站和第一基站之间的第一空中接口上建立通信链路。

• rrc lies in the 3 rd sublayer of air interface protocol stack, the main function of which is the control and management of radio resource .

  无线资源控制子层位于空中接口协议栈的第3层，它主要完成无线资源的控制和管理功能。

• the air interface of ieee 802.16 standard contains specification for physical layer and mac layer.

  ieee802.16标準的空中接口部分主要对物理层和mac层进行了定义。

• the next step evolution of wcdma is hsdpa, as a matter of fact, 3gpp has modified air interface mainly in two aspects, introducing hsdpa technology.

  wcdma的下一步演进是hsdpa，事实上，3gpp主要从两方面对空中接口作了改进，引入了hsdpa技术。

• one feature that provides flexibility of the so-called physical layer of the wcdma air interface is the use of orthogonal variable spreading factor (ovsf) codes.

  一个功能，它提供了灵活性在所谓的wcdma空中接口物理层是使用正交可变扩频因子 （ovsf 码）码。

• over-the-air technology which download the data of ems memory and sim card in mobile station through the air interface of mobile communication present a solution to these challenges.

  空中下载技术是一种通过移动通信的空中接口对移动终端内存及sim卡数据进行远程管理的技术。

• chapter two recommend the cdma system in three aspects of fundamental, character and offering service, and cdma air interface standards and radio link are also described.

  第二章从基本原理、基本特点和所提供的业务三个方面对cdma系统进行了介绍，并描述了cdma空中接口标準及空中接口无线链路。

• in this article, the characteristics of air interface protocol and networking protocol in high speed paging systems are discussed, and methods for function implementation by them are described.

  本文主要讨论了我国电信高速寻呼系统中采用的空中接口协议和联网协议的特点，并介绍协议实现系统功能的方法。

• firstly, this paper carries out analysis and research on the dmr protocol, especially its air interface and voice coding techniques.

  本文首先对dmr协议进行了分析和研究，尤其是对其空中接口和语音编码技术进行了详细探讨。

• air interface security and end-to-end encryption a re offered by tetra to protect data during the entire transmission.

  数字集群系统tetra提供空中接口加密和端-端加密以实现通信的机密性。

• rlc lies in the 3rd sublayer of air interface protocol stack of td-scdma system and its data blocks transfer service plays a very important role in td-scdma research and implementation.

  无线链路控制子层（rlc子层）位于td-scdma系统空中接口协议栈的第二层，它的数据传输功能在对td-scdma的研究和实现中有着极其重要的地位。

• rf optimization adjusts some air interface parameters to achieve wcdma network performance upgrade, efficiently utilize network resource.

  射频优化是通过调整wcdma空中接口参数，提高网络的各方面性能，确保网络资源的有效利用。