中国移动GSM天线设备规范v34图文精.docx

中国移动GSM天线设备规范v34图文精.docx

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中国移动GSM天线设备规范v34图文精

中国移动通信企业标准QB-╳╳-╳╳╳-╳╳╳╳

中国移动通信集团公司发布

╳╳╳╳-╳╳-╳╳发布

╳╳╳╳-╳╳-╳╳实施GSM天线设备规范版本号:

V3.3.0GSMAntennaDeviceSpecification

前言............................................................................................................................................V

1范围...............................................................................................................................................1

2规范性引用文件...........................................................................................................................1

3术语和定义...................................................................................................................................3

4分类...............................................................................................................................................6

5电气性能要求和环境条件要求.................................................................................................115.1电气性能要求.......................................................................................................................11

5.2机械性能指标及环境条件要求...........................................................................................33........................................................................................................................33................................................................................................................33........................................................................................................33................................................................................................................33........................................................................................................33................................................................................................................................33........................................................................................................................33................................................................................................................................33................................................................................................................................33..............................................................................................................................34......................................................................................................................34

6测试方法......................................................................................................................................356.1概述.......................................................................................................................................35

6.2增益测量...............................................................................................................................356-1.........................................................................................................35........................................................................................................................35........................................................................................................................36

6.3方向图圆度（全向天线、半功率波束宽度、前后比、交叉极化比的测量...............366.3.1测量示意图见图6-2....................................................................................................366.3.2测量条件满足6.2.2......................................................................................................366.3.3测量步骤.......................................................................................................................37

6.4天线电下倾角测量...............................................................................................................376.4.1测量条件满足6.2.2......................................................................................................376.4.2测量步骤.......................................................................................................................38

6.5驻波比测量...........................................................................................................................38

6.5.2测量条件.......................................................................................................................386.5.3测量步骤.......................................................................................................................39

6.6隔离度测量...........................................................................................................................396.6.1测量框图见图6-5........................................................................................................396.6.2测量条件满足6.5.2...............