WCDMA has been widely adopted as the 3rd Generation air interface.
WCDMA已经成为了被广泛采纳的第三代空中接口。
The air interface of IEEE 802.16 standard contains specification for physical layer and MAC layer.
IEEE 802.16标准的空中接口部分主要对物理层和MAC层进行了定义。
This paper describes a method for determining smoke-air interface position by CO2 infrared analyzer.
本文介绍一种用CO_2红外气体分析仪测定室内火灾烟气-空气分界面位置的方法。
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 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。
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。
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，可实现鉴权、空中接口加密和端对端加密；
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。
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。
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。
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 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。
The underwater acoustic signal can cause surface wave motion at the water-air interface and hence modulate the magnitude of the laser beam falling on the water surface.
水下声信号在水-空气界面会引起表面波动而对打在水表面的激光进行调制。
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。
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标准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。
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。
In this paper the rationale of thermal insulation using aluminium foil as well as the calculation of RK values is described, and the rational thickness values of the air interface layer are presented.
本文讨论了用铝箔隔热的基本原理和R _ k值的计算，提出了表面贴铝箔的绝热空气间层的合理厚度值。
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。
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。
应用推荐