WANG Jun, LEI Peng, SUN Jinping, et al., “Micro-Doppler Signal Analysis Based on theGeneralized S Transform for Radar Targets,” Chinese Journal of Electronics, vol. 19, no. 4, pp. 769-774, 2010,
Citation: WANG Jun, LEI Peng, SUN Jinping, et al., “Micro-Doppler Signal Analysis Based on theGeneralized S Transform for Radar Targets,” Chinese Journal of Electronics, vol. 19, no. 4, pp. 769-774, 2010,

Micro-Doppler Signal Analysis Based on theGeneralized S Transform for Radar Targets

  • Received Date: 2009-11-01
  • Rev Recd Date: 2009-12-01
  • Publish Date: 2010-11-25
  • The Generalized S transform (GST), whichcombines advantages of the Short time Fourier transform(STFT) and the Continuous wavelet transform (CWT), isan effective method to analyze and extract time-frequencyfeatures. On the basis of micro-Doppler effect in radarecho, an improved GST with adjusted window functionwas introduced, and its expression as operation of theFourier spectrum was developed. Simulated radar signalsof typical micro-Doppler modulation were applied tocompare and test the GST and other three common timefrequencytechniques. The experimental results show thatthe GST with adjusted window function is a noise robustand adaptive transform, reduces computational burden,and provides more details of the local time-frequency featuresused to improve resolution and parameter estimationof micro-motion, which demonstrates its effectiveness inmicro-Doppler signal analysis.
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