Title :
Toeplitz-Hankel decomposition for direction of arrival estimation using transient signals
Author :
Haberman, Ehoud ; Griffiths, Lloyd J.
Author_Institution :
Dept. of Electr. Eng.-Syst., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
A method is described which can improve the direction-of-arrival estimation when the signal is nonstationary but of a known form. This is the case, e.g. in an active sonar system, when a known waveform is transmitted and the reflections are measured by an array of hydrophones. It is shown that for a class of signals, the knowledge about the signal can be used to improve the resolution in azimuth estimation
Keywords :
acoustic signal processing; signal processing; sonar; Toeplitz-Hankel decomposition; active sonar system; azimuth estimation; bearing estimation; direction of arrival estimation; nonstationary signals; resolution improvement; signal processing; transient signals; Covariance matrix; Direction of arrival estimation; Matched filters; Narrowband; Sensor arrays; Sensor systems; Signal processing; Signal resolution; Sonar equipment; Sonar measurements;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1988. ICASSP-88., 1988 International Conference on
Conference_Location :
New York, NY
DOI :
10.1109/ICASSP.1988.197137
