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      Zaman-frekans dağılımı için çekirdek kestirimi

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      Author
      Deprem, Zeynel
      Çetin, A. Enis
      Date
      2015-05
      Source Title
      23rd Signal Processing and Communications Applications Conference, SIU 2015 - Proceedings
      Publisher
      IEEE
      Pages
      1973 - 1976
      Language
      Turkish
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      Bu dokümanda çözünürlüğü yüksek ve çapraz terim içermeyen Cohen sınıfı bir Zaman-frekans (ZF) dağılımının, çekirdek kestirim yöntemi ile elde edilmesi tanıtılmaktadır. Çekirdek kestirimi, başlangıç taslak bir zaman-frekans dağılımının l1 normuna ait epigraf kümesi üzerine izdüşümü ile elde edilmektedir. Kestirilen çekirdek, sinyalin belirsizlik (Ambiguity) düzlemindeki hizalanması ile uyumlu ve çapraz terimleri içermeyecek bir filtreleme sağlamaktadır.
       
      In this article a method is introduced to obtain a high-resolution and cross term free Cohen's Class Time-frequency (TF) distribution based on kernel estimation. The kernel is estimated via projecting an initial rough TF distribution onto the epigraph set of l1 norm. The kernel is aligned with the signal alignment in ambiguity domain and filters out the cross terms. © 2015 IEEE.
      Keywords
      Cohen's class
      Projection
      Time-frequency
      Frequency estimation
      And filters
      Cross-terms
      High resolution
      Kernel estimation
      Projection
      Time frequency
      Time-frequency distributions
      Signal processing
      Permalink
      http://hdl.handle.net/11693/28230
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/SIU.2015.7130250
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      • Department of Electrical and Electronics Engineering 3524
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