DocumentCode :
1651498
Title :
2-D DOA and polarization estimation of LFM signals with one electromagnetic vector sensor
Author :
Xin, Zhou ; Yaowu, Shi ; Wenhong, Yang
Author_Institution :
Coll. of Commun., JiLin Univ., Changchun
fYear :
2008
Firstpage :
386
Lastpage :
389
Abstract :
Spatial polarimetric WVD matrix is constructed using Wigner-Ville distribution (WVD), a new algorithm is proposed for two-dimension (2-D) direction of arrival (DOA) and polarization of linear frequency modulation (LFM) signals based on a single electromagnetic vector sensor. The signals with different time-frequency (t-f) signatures permit the source discriminations through the flexibility of selecting t-f region. So by utilizing different t-f regions, the proposed method can distinguish the closely-spaced sources and perform signal selective DOA. Simulations illustrate the efficacy of the proposed algorithm.
Keywords :
Wigner distribution; array signal processing; direction-of-arrival estimation; electromagnetic wave polarisation; frequency modulation; matrix algebra; time-frequency analysis; 2D DOA estimation; LFM signal; Wigner-Ville distribution; direction-of-arrival estimation; electromagnetic vector sensor; linear frequency modulation; polarimetric WVD matrix; polarization estimation; time-frequency signature; Array signal processing; Chirp; Direction of arrival estimation; Educational institutions; Electromagnetic wave polarization; Frequency estimation; Magnetic field measurement; Magnetic separation; Sensor arrays; Time frequency analysis;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Signal Processing, 2008. ICSP 2008. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2178-7
Electronic_ISBN :
978-1-4244-2179-4
Type :
conf
DOI :
10.1109/ICOSP.2008.4697151
Filename :
4697151
Link To Document :
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