Acta mathematica scientia,Series A ›› 2011, Vol. 31 ›› Issue (3): 814-828.

• Articles • Previous Articles     Next Articles

2D Hilbert Transform and Bedrosian’s Principle Associated with Fractional Fourier Transform

 XU Guan-Lei1,3, WANG Xiao-Tong1,3, XU Xiao-Gang2,3   

  1. 1.Department of Navigation, Dalian Naval Academy, Liaoning Dalian 116018;
    2.Department of Automation, Dalian Naval Academy, Liaoning Dalian 116018;
    3.Institute of Photoelectric Technology, Dalian Naval Academy, Liaoning Dalian 116018
  • Received:2008-05-19 Revised:2010-06-11 Online:2011-06-25 Published:2011-06-25
  • Supported by:

    国家自然科学基金(60473141)和辽宁省自然科学基金(20062191)资助

Abstract:

Hilbert transform (HT) plays an important role in signal processing. From the energy distributing of analytic signals in the FRFT domain and a few classical 2D elemen-tary Hilbert transform, the definitions of half-planed Hilbert transform, cross-orthant Hilbert transform and single-orthant Hilbert transform are yielded. Meanwhile, the expressions and the mapping in the time domain and the transformed domain are discussed. Moreover, some
important properties and conclusions are obtained as well. Finally, we define and derive 2D Bedrosian’s principle in the FRFT domain, an important property of Hilbert transform. 

Key words: Fractional Fourier transform, Generalized Hilbert transform, Analytic signal, Bedrosian’s principle.

CLC Number: 

  • 42B05
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