Journal
IEEE TRANSACTIONS ON SIGNAL PROCESSING
Volume 49, Issue 11, Pages 2588-2604Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/78.960406
Keywords
aircraft detection and tracking; missile detection and tracking; radar tracking; sonar tracking; target detection and tracking; track decision; tracking; tracking algorithms; tracking filters; track initiation; track maintenance
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A concept of target perceivability is introduced, which is related to such concepts as target existence and target observability. Its probability provides a basis for an integrated approach to track initiation, confirmation, termination, and refinement of track maintenance algorithms. This paper proposes the concepts of target perceivability and presents a recursion of its probability based on hidden Markov models (HMMs) and their applications to tracker analysis, development, and design, in particular, in the context of the PDA method. Specifically, several important quantities and track life are analyzed; a perceivability-based probabilistic approach to track confirmation and termination is proposed; two versions of perceivability-based PDA trackers are presented. Simulation results are provided to demonstrate their performance.
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