ESTIMATION OF 2-D DOA JOINT FREQUENCY OF SIGNAL VIA A SINGLE VECTOR HYDROPHONE
Based on a single vector hydrophone,two sub-matrix of the same formation which formed signal data matrix was constructed by delayed time data.On the basis of LS-ESPRIT,the signal data matrix was decomposed by one eigenvalue decomposition to get its eigenvalues and corresponding eigenvectors,which included the information of frequency and angle,so two-dimensional DOA and frequency joint estimation was realized for narrow-band signal.This method had better estimation accuracy,which didnt need any search procedure,the three-dimensional parameter matching was automatically achieved by this method.Compare with DOA matrix method via a single vector hydrophone and LS-ESPRIT method via acoustic pressure array by MATLAB,the results showed that this method have better estimation performance.
A single vector hydrophone LS-ESPRIT 2-D DOA estimation Frequency estimation
Guolong Liang Ke Zhang Jin Fu Wei Ma
Science and Technology on Underwater Acoustic Laboratory Harbin Engineering University,Harbin 150001,China
国际会议
杭州
英文
1055-1059
2012-10-30（万方平台首次上网日期，不代表论文的发表时间）