频率分集与极化分集网络  

The Network of Frequency and Polarization Diversity

作　　者：刘冬天 

机构地区：[1]南京电子技术研究所,南京210013

出　　处：《微波学报》1997年第3期239-243,268,共6页Journal of Microwaves

摘　　要：本文介绍了一种可以实现极化分集和双频频率分集的微波网络，具有变极化功能。它可以用于雷达系统中抗雨杂波和海杂波干扰，也可为雷达成象提供更多的信息量。该网络的特点是采用了技术成熟、价格低廉的非互易铁氧体移相器作为变极化的基础元件。本文用流图的形式分析了工作原理，给出了X波段的实验结果。?A microwave network which can realize the diversity of dual frequency andpolarization is introduced in this paper. It can be used in the radar' system to reduce the rain andsea wave interference. lt can also provide more information of objects for the microwave imaging.The feature of this network is that the cheap and mature nonreciprocal ferrite phase shiftersare used as the basic variable polarization devices.Flow charts are used to analyze the operating principle, and the X-band experimental resultsare given.

关 键 词：频率分集 极化分集 微波网络 雷达 移相器 

分 类 号：TN623[电子电信—电路与系统] TN957.51