Cramer-Rao analysis of reduced order STAP processors

Author

Klemm, Richard

Author_Institution

FGAN-FFM, Wachtberg, Germany

fYear

2000

fDate

2000

Firstpage

584

Lastpage

589

Abstract

The Cramer-Rao bounds (CRB) of azimuth and velocity estimates of suboptimum space-time adaptive (STAP) processors are presented. Several spatial and space-time order reducing transforms are analysed and compared with the optimum (ML) processor. Although some of the processors discussed exhibit near-optimum performance in terms of signal-to-clutter ratio some of them produce high standard deviations of target velocity and azimuth. Since estimation errors are a major input of subsequent tracking algorithms the selection and design of an appropriate processor architecture is an important task

Keywords

parameter estimation; phased array radar; radar clutter; radar signal processing; radar theory; radar tracking; space-time adaptive processing; statistical analysis; target tracking; transforms; Cramer-Rao bounds; azimuth estimates; estimation errors; optimum ML processor; order reducing transforms; processor architecture; reduced order STAP processors; signal-to-clutter ratio; space-time adaptive processors; standard deviations; suboptimum processors; target velocity; tracking algorithms; velocity estimates; Azimuth; Doppler radar; Filtering; Phased arrays; Radar clutter; Radar tracking; Signal processing; Spaceborne radar; Target tracking; Transforms;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar Conference, 2000. The Record of the IEEE 2000 International

Conference_Location

Alexandria, VA

Print_ISBN

0-7803-5776-0

Type

conf

DOI

10.1109/RADAR.2000.851899

Filename

851899