RADWIN无线网桥安装调试及维护指南V1.0.pdf

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1、RADWIN无线网桥产品安装调试及维护指南V1.0技术支持中心：臧席潭北京国基科技股份有限公司2013年10月21日目录一.基本无线知识介绍..................................................................................................11.1微波相关原理、概念.......................................................................

2、................11.1.1微波和微波通信.......................................................................................11.1.2频段frequencyband.................................................................................11.1.3频宽frequencybandwidth........

3、................................................................21.1.4dB............................................................................................................21.1.5自由空间传输损耗..........................................................

4、.........................21.1.6天线增益..................................................................................................41.1.7接收电平..................................................................................................51.1.8各种衰落.

5、.................................................................................................51.1.9菲涅尔区..................................................................................................51.1.10TDD与FDD.................................

6、.............................................................71.2天线相关原理、概念.......................................................................................71.2.1天线的作用................................................................................

7、..............71.2.2定向天线方向图.....................................................................................101.2.3天线增益................................................................................................101.2.4天线极化方式....................

8、....................................................................111.2.53db夹角................................................................................................111.2.6前后比..................................................