Asynchronous Multisensor Data Fusion
Jie Wang · Kongzhi yu juece · 2001
Due to the reasons of sensors in itself and the communication delays, the research of the asynchronous multisensor data fusion problem is more practical than that of synchronous one. Firstly the continuous time system is discretiged in the fusion center and all the sensor nodes with different sample interval. Then the measurement noises are found to be correlated with each other and the process noise though the noises of the corresponding continuous time system are uncorrelated. Finally an asynchronous fusion algorithm is presented for the correlated noises case. Simulation results show the validity of the presented algorithm.