Abstract

For high resolution wave direction finding, much attention has been recently paid on linear arrays which are used to extract 1-D directions of wave arrival. The techniques based on linear (1-D) arrays can be used to extract 2-D directions of wave arrival if two linear arrays oriented to different directions are used and if an additional pairing process is employed. However, we believe that for the 2-D direction estimation, more efficient techniques should be explored based on 2-D arrays.

© 1989 Optical Society of America