在本章中总结了IXP1200的特性，分析了IXP1200中采用的一些技术和新概念，并对组成IXP1200的每个主要功能单元进行了详细的描述。
This chapter summarizes the features of the IXP1200, analyzes some technology and new concepts introduced in the IXP1200, and describes each function unit in the IXP1200 in detail.
本系统工艺知识的描述与表达采用了产生式规则法和框架法，以成组技术(GT)为基础，以零件组为基本单元分别进行。
The description of the process knowledge adopts the method of productive rule and frame in this system. It bases on GT and is done according to parts group.
利用正文化方法，描述了阵列部分单元加权置零综合的两种技术一部分单元复数加权和仅幅度加权。
With the help of the Normalized method, two techniques, partial complex weightingand amplitude-only weighting are presented to apply for nulling in array pattern.
文中还利用智能单元参考模型对AGC部分IDEF0图中各控制、维护和技术管理功能进行了描述。
To meet the requirements of ICMMS, intelligent reference model is used to describe the control, maintenance and management functions for each IDEF0 diagram of AGC.
鉴于此，对TD - SCDMA分布式基站的优势和系统设计作了描述，并对基于软件无线电技术的分布式基站射频拉远单元的设计结构和数据的速率做了重点论述。
The advantages and system design of the distributed base station is discussed in this paper. The structure design and RRU rate in RRU based on the software radio technology are emphasized.
鉴于此，对TD - SCDMA分布式基站的优势和系统设计作了描述，并对基于软件无线电技术的分布式基站射频拉远单元的设计结构和数据的速率做了重点论述。
The advantages and system design of the distributed base station is discussed in this paper. The structure design and RRU rate in RRU based on the software radio technology are emphasized.
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