Biologically-Inspired Target Recognition in Radar Sensor Networks

Abstract

Inspired by biological systems’ (such as human’s) innate ability to process and integrate information from disparate, network-based sources, we apply biologically-inspired information integration mechanisms to target detection in cognitive radar sensor network. Humans’ information integration mechanisms have been modelled using maximum-likelihood estimation (MLE) or soft-max approaches. In this paper, we apply these two algorithms to radar sensor networks target detection. Discrete-cosine-transform (DCT) is used to process the integrated data from MLE or soft-max. We apply fuzzy logic system (FLS) to automatic target detection based on the AC power values from DCT. Simulation results show that our MLE-DCT-FLS and soft-max-DCT-FLS approaches perform very well in the radar sensor network target detection, whereas the existing 2-D construction algorithm doesn’t work in this study.