Conjugate directions based order recursive implementation of post-Doppler adaptive target detectors
IET RADAR SONAR AND NAVIGATION, vol.6, no.7, pp.577-586, 2012 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 6 Issue: 7
- Publication Date: 2012
- Doi Number: 10.1049/iet-rsn.2011.0396
- Journal Name: IET RADAR SONAR AND NAVIGATION
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Page Numbers: pp.577-586
- Open Archive Collection: AVESIS Open Access Collection
- Middle East Technical University Affiliated: Yes
Abstract
An implementation for the post-Doppler adaptive target detectors enabling an efficient change of the subspace dimension is described. The proposed implementation uses the order recursive structure of the conjugate directions method and does not present any additional computational burden on the processor. The implementation can be particularly useful for the adaptive detectors with an indeterminate number of auxiliary vectors for the clutter covariance matrix estimation. Through the proposed method, the subspace dimension can be easily increased or decreased according to the multiplicity of the auxiliary vectors at no loss of computational efficiency.