Title :
Multiresolution-signal direction-of-arrival estimation: a wavelets approach
Author :
Xu, Wen ; Stewart, W. Kenneth
Author_Institution :
MIT/WHOI, Joint Prog. in Applied Ocean Phys. & Eng., Cambridge, MA, USA
fDate :
3/1/2000 12:00:00 AM
Abstract :
This paper presents a general framework for the application of wavelets in array signal processing, including an understanding of the scale. A multiresolution-signal direction-of-arrival (DOA) estimation scheme is proposed based on the wavelet decomposition. Simulations show that the new approach improves the DOA estimation performance, particularly for sources near the broadside direction.
Keywords :
array signal processing; channel bank filters; direction-of-arrival estimation; filtering theory; signal resolution; wavelet transforms; DOA estimation; DOA estimation performance; SNR; array signal processing; broadside direction; filter banks; multiresolution-signal direction-of-arrival estimation; numerical stability; signal sources; simulations; subband data; wavelet decomposition; Array signal processing; Direction of arrival estimation; Filter bank; Frequency; Sensor arrays; Signal processing; Signal resolution; Signal sampling; Spatial resolution; Time domain analysis;
Journal_Title :
Signal Processing Letters, IEEE
