1 Ocak 2021 Dergi makalesi Açık Erişim

Guner, Kani K.; Gulum, Taylan O.; Erkmen, Burcu

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  <dc:creator>Guner, Kani K.</dc:creator>
  <dc:creator>Gulum, Taylan O.</dc:creator>
  <dc:creator>Erkmen, Burcu</dc:creator>
  <dc:date>2021-01-01</dc:date>
  <dc:description>Low probability of intercept (LPI) radars using linear frequency-modulated continuous waveforms (LFMCWs) is rapidly proliferating in the military domain and posing a serious challenge to conventional electronic support receivers (ESRs). In this article, we provide a practical approach that can be used in digital ESR systems for real-time LFMCW radar signal detection and parameter extraction under challenging SNR levels. We proposed a modified version of the Wigner-Ville distribution (WVD), namely, short-time Wigner distribution (STWD), postprocessing steps, e.g., column-based thresholding of STWD combined with the Hough transform (HT), and a field-programmable gate array (FPGA) design as an embedded solution with low computational complexity. The performance of the proposed system is tested with MATLAB and hardware simulations using a signal database generated with different signal-to-noise ratio (SNR) levels. The system is then embedded into a Virtex-7 FPGA where the performance evaluations showed satisfactory detection results down to -6-dB SNR level, and parameter extraction results down to -8-dB SNR level.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/236212</dc:identifier>
  <dc:identifier>oai:aperta.ulakbim.gov.tr:236212</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 70</dc:source>
  <dc:title>FPGA-Based Wigner-Hough Transform System for Detection and Parameter Extraction of LPI Radar LFMCW Signals</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
</oai_dc:dc>