A Method for Wideband Direction-of-Arrival Estimation Based on Toeplitz Matrix
The coherent signal-subspace method (CSM) for the wideband direction-of-Arrival (DOA) needs constructing a set of focusing matrices and pre-estimating the directions-of-arrival of wideband signals (DOAS). The focusing matrices and the pre-estimated DOAs will influence directly the results of the estimation. Using the max eigenvector against the max eigenvalue from the covariance matrix of one sub-band, the novel method reconstructs a new matrix. Then we can estimate the DOAs with the MUSIC method. The novel method avoids constructing focusing matrices and pre-estimating the DOAs. Compared with the rotational signal-subspace (RSS) 5 method, the novel method has a better resolution at high signal-to noise ratio (SNR). Simulation results show that the novel method is effective.
Array processing toeplitz matrix wideband signal direction of arrival (DOA)
Chunhe Li Yuliang Cong Yuan Zhou
College of communication Engineering Jilin University Changchun,China
国际会议
长春
英文
276-279
2010-08-24（万方平台首次上网日期，不代表论文的发表时间）