Frequency and Phase Coupling Phenomenon in micro-Doppler Radar Signature of Walking Human

被引：0
|
作者：
Molchanov, Pavlo [1 ]
Astola, Jaakko [1 ]
Egiazarian, Karen [1 ]
Totsky, Alexander [2 ]
机构：
[1] Tampere Univ Technol, Dept Signal Proc, FIN-33101 Tampere, Finland
[2] Natl Aerosp Univ, Dept Transmitters, Receivers & Signal Proc, Kharkov, Ukraine
来源：
2012 13TH INTERNATIONAL RADAR SYMPOSIUM (IRS) | 2012年
关键词：
micro-Doppler; higher-order statistics; frequency coupling; BISPECTRUM ESTIMATION; CLASSIFICATION;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Higher-order statistics are proposed to compute and analyze micro-Doppler signatures of radar backscattering related to ground moving targets. The presence of frequency and phase coupling in non-stationary and multi-frequency backscattered radar signals is defined and studied. Method aimed for extraction of frequency and phase coupling by using bicoherence estimation is suggested. Bicoherence-based information features extracted both from computer modeled micro-Doppler radar signatures of walking human and real backscattering radar data are represented, studied and compared. Good correspondence between bicoherence-based radar signatures computed by using modeled and real-life radar returns is demonstrated.
引用
收藏
页码：49 / 53
页数：5
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