@inproceedings{Lin2004a, title = {Efficient DOA estimation method employing unitary improved polynomial rooting}, booktitle = {Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing}, volume = {2}, year = {2004}, month = may, pages = {ii {\textendash} 257-60 vol.2}, keywords = {array signal processing, covariance matrices, covariance matrix, direction-of-arrival estimation, high resolution DOA estimation, multiple targets, polynomial matrices, real-valued matrix, sensor array, signal resolution, unitary improved polynomial rooting, unitary transformations}, author = {Lin, Erwei and Bai, Li and Kam, Moshe} }