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      Radar Signal Processing Method of Space-Time-Frequency Focus-Before-Detects

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          Abstract

          For the high-speed, high-maneuverability and stealthy target detection via modern radar in complicated electromagnetic environment, a novel radar signal processing approach called Space-Time-Frequency Focus-Before-Detection (STF-FBD) via multi-dimensional coherent integration is proposed. Based on space-timefrequency signal modeling for modern radar systems, the proposed method can effectively suppress the strong interference, such as clutter and active jamming, and overcome the problems of scaled effect of high-speed targets, aperture fill time, sparse frequency sub-band synthesis, across range units, across Doppler units and across beam units. The proposed methods improves radar signal processing performance on the steps like energy integration, target detection, parameter estimation, maneuver tracking, feature extraction and target recognition. It also outperforms the existing Track-Before-Detection (TBD) methods and establish a unified STF-FBD and STF-FBD-TBD radar signal processing frame work. The proposed method is suitable for high-speed, high-maneuverability and stealthy target, as well as for conventional targets. It is applicable for new-generation modern radar, as well as for conventional radars, and may find application to different field.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 April 2014
          : 3
          : 2
          : 129-141
          Affiliations
          [1 ] School of Information and Electronic, Beijing Institute of Technology
          [2 ] Department of Electronic Engineering, Tsinghua University
          [3 ] Department of Electronic and Computer, University of Delaware
          Article
          c7011e488b1b48dbb21732e10ea6c12c
          10.3724/SP.J.1300.2014.14023

          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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