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与光纤通信相比,微波点对点通信有可移植性好、性价比高、不涉及土地产权等众多优点.在尽量少的空间内布置尽可能多的微波天线就需要对天线与天线之间的互扰提出非常严格的要求,同时对测试系统的精度和动态范围提出了很高的要求.大体上说,衡量这种互扰的主要天线参数有前后比,旁瓣和方向图.本文重点研究了高精度微波天线远场测试系统,并以Class3和Class 4两种天线为例子给出了测试结果。
Compared with optical fiber communication, microwave point-to-point communication has good portability, cost-effective, does not involve the land property rights and many other advantages.As few as possible space microwave antenna layout as much as possible on the mutual interference between the antenna and antenna Put forward very strict requirements, and put forward high requirements on the accuracy and dynamic range of the test system.In general, the main antenna parameters that measure this mutual interference are the front-to-back ratio, side lobes and directional patterns.In this paper, Accuracy microwave antenna far-field test system, and to Class3 and Class 4 two antennas as an example gives the test results.