EMLR for multiple radars on a mobile platform

Abstract

Aiming at the problem of radar sensor registration on a mobile platform, this study uses multiple radars to estimate the biases of the radar under the earth-centred earth-fixed coordinate system, which provides more accurate information for data fusion. Compared to the maximum likelihood registration (MLR) algorithm, which can only estimate radar offset biases, a novel extended MLR (EMLR) algorithm is proposed. The algorithm could estimate radar-offset biases, attitude biases, and the target real location simultaneously. The simulation results verified that the EMLR algorithm can effectively improve the precision of registration.

Keywords

• sensor fusion
• maximum likelihood estimation
• radar receivers
• multiple radars
• mobile platform
• radar sensor registration
• maximum likelihood registration algorithm
• mlr algorithm
• emlr algorithm
• earth-centred earth-fixed coordinate system
• data fusion
• radar-offset bias estimation
• extended maximum likelihood registration algorithm