Title :
A maximum likelihood beamspace processor for improved search and track
Author :
Davis, Richard M. ; Fante, Ronald L. ; Crosby, William J. ; Balla, Robert J.
Author_Institution :
Mitre Corp., Bedford, MA, USA
Abstract :
The authors describe a two-stage digital beamforming architecture for use in radars. The first stage implements a fully adaptive array of subarrays while the second stage implements a fully adaptive array of beams. Maximum likelihood processing is used in the second stage to estimate target amplitude and angle of arrival. The new architecture supports improved search and track performance compared to traditional systems that use a single receive beam and monopulse processing to measure angle
Keywords :
adaptive antenna arrays; adaptive radar; amplitude estimation; array signal processing; direction-of-arrival estimation; maximum likelihood estimation; radar theory; radar tracking; search radar; adaptive array; angle of arrival; digital beamforming architecture; maximum likelihood beamspace processor; search performance; subarrays; target amplitude estimation; track performance; Adaptive arrays; Amplitude estimation; Array signal processing; Interference; Maximum likelihood detection; Maximum likelihood estimation; Missiles; Radar tracking; Shape measurement; Voltage;
Conference_Titel :
Radar Conference, 2000. The Record of the IEEE 2000 International
Conference_Location :
Alexandria, VA
Print_ISBN :
0-7803-5776-0
DOI :
10.1109/RADAR.2000.851900
