Analysis of Multi-sensor Fusion Localization Accuracy Based on GDOP

Abstract

Quantitative analysis of multi-sensor fusion localization accuracy is an important issue in air-defense system. According to basic principle of fusion localization of active and passive sensor, a general GDOP (Geometric Dilution of Precision) calculation model was established through CRB (cramer-rao boundary) method. Using this model, main influence factors of multi-sensor fusion localization accuracy were analysed systematically, which verifies the feasibility and rationality of the model and has practical value for multi-sensors placement.