Application of timefrequency analysis on UWB scattering signal processing

wang yun fei; wang jing jin; liu guo zhi

Volume 15 Issue 07

Jul. 2003

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wang yun fei, wang jing jin, liu guo zhi. Application of timefrequency analysis on UWB scattering signal processing[J]. High Power Laser and Particle Beams, 2003, 15.

Citation:

wang yun fei, wang jing jin, liu guo zhi. Application of timefrequency analysis on UWB scattering signal processing[J]. High Power Laser and Particle Beams, 2003, 15.

wang yun fei, wang jing jin, liu guo zhi. Application of timefrequency analysis on UWB scattering signal processing[J]. High Power Laser and Particle Beams, 2003, 15.

Citation:

wang yun fei, wang jing jin, liu guo zhi. Application of timefrequency analysis on UWB scattering signal processing[J]. High Power Laser and Particle Beams, 2003, 15.

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Application of timefrequency analysis on UWB scattering signal processing

1.
State Laboratory of Particle Technology and Radiation Imaging,Tsinghua University,Beijing 100084,China;
2.
Northwest Institute of Nuclear Technology,P.O.Box 69 13,Xi'an 710024,China

Publish Date: 2003-07-15

Abstract

Abstract

this paper, the basic principle of the timefrequency(TF) analysis, including wavelet transform, is depicted briefly. It's application on UWB scattering signal is introduced in detail also. Through the processing of UWB scattering signal from tested target with the aid of the TF analysis, the signature of the target can be gotten easily so that the detection and discrimination of the target might be improved. In the work, the measurement of scattering signal was made for some simple shaped metal targets which was in air or hidden in some kinds of soil and leaves using picosecond pulse generator (PPG) in the form of bistation configuration, and the experimental data was processed with pseudo Wigner distribution and Mayer wavelet transform. The analytical results prove the superiority
- timefrequency analysis,
- uwb scattering signal,
- pseudo wigner distribution,
- wavelet transform,
- hidden target detection

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