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      Polarimetric Analysis of the Interference from Base Stations to UHF-band Radar

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          Abstract

          Radar detection and tracking performance in the UHF-band can be influenced by the downlink signals of communication base stations. The polarimetric properties of interference from base stations are measured and analyzed as a basis for suppressing this type of interference by a polarization processing method. In this study, we establish signal models from the base station for dual-polarization UHF-band radar. We express the Probability Density Functions (PDF) of the estimated polarization ratio and degree of polarization in a closed form and use them to describe the statistical properties of the interference environment. We developed polarimetric radar reception experiments for the signals from both Single-Base Stations (SBS) and Multi-Base Stations (MBS). Experimental results proved that deterministic polarized descriptions are appropriate only for signals from SBS but not from MBS or from stations with a low DoP (Degree of Polarization). However, the proposed statistical method can be used to describe both SBS and MBS cases, which we demonstrated by comparing the theoretical models with real measurement data.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 April 2016
          : 5
          : 2
          : 164-173
          Affiliations
          [1 ] State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics & Information System
          Article
          79626e1b28d845c382b585cd956042db
          10.12000/JR15134

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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