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Volume 31 Issue 7
Dec.  2010
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Wang Ben-qing, Li Xing-guo. Analysis Algorithm to Frequency Rate of LFM Signal Based on Biorthogonal Fourier Transform[J]. Journal of Electronics & Information Technology, 2009, 31(7): 1620-1623. doi: 10.3724/SP.J.1146.2008.00870
Citation: Wang Ben-qing, Li Xing-guo. Analysis Algorithm to Frequency Rate of LFM Signal Based on Biorthogonal Fourier Transform[J]. Journal of Electronics & Information Technology, 2009, 31(7): 1620-1623. doi: 10.3724/SP.J.1146.2008.00870

Analysis Algorithm to Frequency Rate of LFM Signal Based on Biorthogonal Fourier Transform

doi: 10.3724/SP.J.1146.2008.00870
  • Received Date: 2008-07-08
  • Rev Recd Date: 2009-03-04
  • Publish Date: 2009-07-19
  • There are many analysis algorithms for frequency rate of LFM signal, but those algorithms have some drawbacks, such as highly computational complexity, long time for searching, and cross-term in multi-LFM signal. In this paper, a new analysis algorithm of frequency rate of LFM signal is presented based on Biorthogonal Fourier Transform (BFT), the signal is expanded with biorthogonal base function that could be got frequency rate density spectrum of the signal. This algorithm need no searching, and has better performance for detection different frequency rate of multi-LFM signal. This paper derives continual BFT formula and discrete transform formula and discusses its some main characters.
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