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Volume 24 Issue 2
Feb.  2002
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Wang Jun, Zhang Shouhong, Jiao Licheng . An improved critical sampling gabor transform[J]. Journal of Electronics & Information Technology, 2002, 24(2): 272-275.
Citation: Wang Jun, Zhang Shouhong, Jiao Licheng . An improved critical sampling gabor transform[J]. Journal of Electronics & Information Technology, 2002, 24(2): 272-275.

An improved critical sampling gabor transform

  • Received Date: 2000-02-03
  • Rev Recd Date: 2000-10-09
  • Publish Date: 2002-02-19
  • By removing redundance from oversampling Gabor transform, an improved critical sampling Gabor transform is presented where its synthesis and analysis function possess favorable local properties and regularity simultaneously, while computation complexity of Gabor coefficient as much as that of conventional critical sampling Gabor transform.
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  • J.M. Morris, Y. Lu, Discrete Gabor expansion of discrete time signals in L2(Z) via frame theory,Signal Processing, 1994, 40(3), 155-181.[2]Y. Lu, J. M. Morris, Fast computation of Gabor functions, IEEE Signal Processing Letters, 1996,3(3), 75 78.[3]张贤达,保铮,非平稳信号分析与处理,北京,国防工业出版社,1998,109 153.[4]I. Daubechies, The wavelet transform, time-frequency localization and signal analysis, IEEE Trans. on IT, 1990, 36(5), 961-1005.[5]M. Zibulski, Y. Zeevi, Oversampling in Gabor scheme, IEEE Trans. on SP, 1993, 41(8), 2679-2683.[6]J. Wexler, S. Raz, Discrete Gabor expansion, Signal Processing, 1990, 21(3), 207-220.[7]薛健,袁保宗,离散拟正交Gabor展开,电子学报,1997,25(4),68-71.
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