Quaternion Wigner-Ville distribution associated with the linear canonical transforms
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- 作者：Xiang-Li Fana ; 1048799885@qq.com" class="auth_mail" title="E-mail the corresponding author ; Kit Ian Koub ; kikou@umac.mo" class="auth_mail" title="E-mail the corresponding author ; Ming-Sheng Liua ; liumsh65@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：00-01 ; 99-00
- 刊名：Signal Processing
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：130
- 期：Complete
- 页码：129-141
- 全文大小：2305 K
文摘
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The QLCT, a generalization of the classical 2D Fourier transform, has applications in color image and signal processing.
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This paper presents new notions for the quaternion Wigner distribution (QLWD) and the corresponding ambiguity function in the QLCT setting.
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Connection with the corresponding analytic signal are investigated.
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Examples with bandpass analytic signal illustrate the features of the proposed distributions.
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A novel algorithm for the detection of quaternion-valued linear frequency-modulated signal is presented by the proposed QLWD.