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Volume 26 Issue 2
Feb.  2004
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Liu Ai-fang, Zhu Xiao-hua, Liu Zhong. Multicomponent LFM Signal Detection and Parameter Estimation Based on Radon-Gabor Transform[J]. Journal of Electronics & Information Technology, 2004, 26(2): 220-224.
Citation: Liu Ai-fang, Zhu Xiao-hua, Liu Zhong. Multicomponent LFM Signal Detection and Parameter Estimation Based on Radon-Gabor Transform[J]. Journal of Electronics & Information Technology, 2004, 26(2): 220-224.

Multicomponent LFM Signal Detection and Parameter Estimation Based on Radon-Gabor Transform

  • Received Date: 2002-10-22
  • Rev Recd Date: 2003-04-08
  • Publish Date: 2004-02-19
  • In this paper, a new transform called Radon-Gabor transform(RGT) is proposed firstly, then the basic theory is introduced for Linear Frequency-Modulated (LFM) signal detection and parameter estimation using Radon-Gabor transform. Moreover, a new method combining Radon-Gabor transform with clean technique for multicomponent LFM signal detection and parameter estimation is presented. The computer simulation results show its effectiveness.
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  • Boashash B, Black P. An efficient real-time implementation of the Wigner-Ville distribution.IEEE Trans. on ASSP, 1987, ASSP-35(11): 1611-1618.[2]Barbarossa S. Analysis of multicomponent LFM signals by a combined Wigner-Hough transform.IEEE Trans. on SP, 1995, SP-43(6): 1511-1515.[3]Xia Xiang Gen. Discrete chirp-Fourier transform and its application to chirp rate estimation.IEEE Trans. on SP, 2000, SP-48(11): 3122-3133.[4]Wang M, et al.. Linear frequency-modulated signal detection using Radon-ambiguity transform.IEEE Trans. on SP, 1998, SP-46(3): 571-587.[5]Mihovilovic D, Bracewell R N. Adaptive chirplet representation of signals on time-frequency plane[J].Electronics Letters.1991, 27(13):1159-1161[6]Tsao Jenho, Steinberg B D. Reduction of sidelobe and speckle artifacts in microwave imaging:the CLEAN technique. IEEE Trans. on AP, 1988, AP-36(4): 543-556.[7]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,第1版:1-180.[8]王宏禹.非平稳随机信号分析与处理.北京:国防工业出版社,1999,第1版: 126-173.
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