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Unattended/Unmanned Ground, Ocean, and Air Sensor Technologies and Applications VI
Sparse array processing methods are typically used to improve the spatial resolution of sensor arrays for the estimation of direction of arrival (DOA). The fundamental assumption behind these methods is that signals that are received by the sparse sensors (or a group of sensors) are coherent. However, coherence may vary significantly with the changes in environmental, terrain, and, operating conditions. In this paper canonical correlation analysis is used to study the variations in coherencedoi:10.1117/12.543327 fatcat:xrgwb4tt5rehjipvcxgxhgccge