Title :
Optimal bearing and bearing rate estimator using an ambiguity surface
Author :
Ohlms, D.E. ; Nitka, D.N.
Author_Institution :
IBM Corp., Manassas, VA, USA
Abstract :
A method for developing a bearing and bearing rate estimates that have Cramer-Rao bound accuracy near detection levels using a bearing-bearing rate ambiguity surface is presented. The ambiguity surface is generated from averaged line array cross correlation data by integrating according to predefined hypotheses of possible contact motion. The hypotheses assume constant rate of the estimation level. Simulation results indicate near optimal track accuracy within a decibel of the detection SNR
Keywords :
array signal processing; signal detection; Cramer-Rao bound accuracy; ambiguity surface; average cross correlation data; bearing estimator; bearing rate estimator; contact motion; detection SNR; detection levels; integration; line array; simulation; track accuracy; Bandwidth; Business; Cramer-Rao bounds; Delay effects; Delay estimation; Detectors; Displays; History; Noise level; Signal to noise ratio;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-0532-9
DOI :
10.1109/ICASSP.1992.226002
