Systems Engineering and Electronics
• ELECTRONICS TECHNOLOGY •
Yuling Liu1,*, Xizhang Wei1, Bo Peng1, and Yongshun Ling2
Scatterers often exhibit aspect or frequency dependence which affects the micro-Doppler shift in scattering response. For cone-cylinder targets, sliding-type scatterers which slide on the edge discontinuity with the change of the incident angle are the most dominant nonideal scattering models. A method is proposed to discriminate among the scatterers on the cone-cylinder target based on the deviation degree of micro-Doppler from sinusoid. By extracting the amplitude and initial phase, the micro-Doppler is estimated as sinusoid. Then the deviation degree is evaluated by the error between the extracted sinusoidal micro-Doppler and the actual micro-Doppler curve. Threshold for the classification is determined with the simulation data. After classification, the micro-Doppler features of sliding-type scatterers are exploited to estimate the target dimensions. The influence of parameters errors and noise on estimation of target dimensions is also illustrated with
the simulation data.
Yuling Liu, Xizhang Wei, Bo Peng, and Yongshun Ling. Dimensions estimation for cone-cylinder target based on sliding-type scatterers analysis[J]. Systems Engineering and Electronics, doi: 10.21629/JSEE.2017.01.02.
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