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      Ground Clutter Suppression with Dual-threshold Controlled Method for Airborne Weather Radar

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          Abstract

          In this paper, a new method of dual-threshold controlled adaptive clutter suppression is proposed for airborne weather radar which is operated in wind shear mode. On the basis of validly estimating the center frequency and bandwidth of clutter spectrum, the echo power in each range cell is used to design a dual-threshold controlled adaptive notch filter. This filter can provide a maximum extent possibility to reject the ground clutter, and meanwhile reduce the effect of clutter residue on wind shear signal. Results of simulation have proved that this method has a superior clutter suppression performance, and can effectively improve the wind speed estimate accuracy of the wind shear signal.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 March 2013
          : 2
          : 1
          : 97-104
          Affiliations
          [1 ] Tianjin Key Laboratory for Advanced Signal Processing, Civil Aviation University of China
          Article
          dcb2b60f0c6042efbf33eadae29f6378
          10.3724/SP.J.1300.2012.20057

          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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