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Volume 24 Issue 8
Aug.  2002
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Qu Yanfeng, Guo Weihua, Wang Shoujue. Short data signal frequency and quality factor estimation algorithm based on pade approximants[J]. Journal of Electronics & Information Technology, 2002, 24(8): 1054-1059.
Citation: Qu Yanfeng, Guo Weihua, Wang Shoujue. Short data signal frequency and quality factor estimation algorithm based on pade approximants[J]. Journal of Electronics & Information Technology, 2002, 24(8): 1054-1059.

Short data signal frequency and quality factor estimation algorithm based on pade approximants

  • Received Date: 2000-12-06
  • Rev Recd Date: 2001-05-08
  • Publish Date: 2002-08-19
  • In this paper a new algorithm for estimating frequency and quality factor based on Fade aproximants is given. Because Fade approximants can accelerate the convergence of sum in the discrete Fourier transform, this algorithm is also used in the frequency and quality factor estimation of short data series. The simulation results show that this algorithm can obtain higher frequency resolution, higher accuracy and better quality factor than FFT and spectrum estimation based on wavelet transformation.
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  • 丁宏,等,采用小波变换对短数据信号的谱方法,电子学报,1997,25(1),11-14.[2]P.R. Graves-Morris, Pad Approximants, Lectures delivered at a summer school held at University of Kent, The Institute of Physics, London and Bristol, July 1972:1-11.[3]W.H.Guo, Y. Z. Huang, Q. M. Wang. Resonant frequencies and quality factor for optical equilateral triangle resonators calculated by FDTD technique and Pad Approximation, IEEE Photon.Technol. Lett., 2000, 12(7), 813-815.[4]吴兆熊,等,数字信号处理(下册),北京,国防工业出版社,1988,第四章.[5]J.A. Pereda, et al., Computation of resonant frequencies and quality factors of open dielectric resonators by a combination of finite-difference time-domain (FDTD) and Pronys methods, IEEE Microwave Guided Wave Lett., 1992, 28(11), 431-433.[6]S. Dey, R. Mittra, Efficient computation of resonant frequencies and quality factors of cavities via combination of finite-difference time-domain technique and the Pad approximation, IEEE Microwave Guided Wave Lett., 1998, 8(12), 415-417.[7]潘明海,等,利用小波变换的高性能功率谱估计算法,电子科学学刊,2000,22(4),555-559.[8]陈桂明,等,应用Matlab语言处理数字信号与数字图像,北京,科学出版社,2000,第七章.[9]张贤达,现代信号处理,北京,清华出版社,1998,第四、五、十二章.
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