A data fusion method for distributed sensor network

摘要

#$%^&*AU2012241097A120140501.pdf#####Abstract A data fusion method for distributed sensor networks includes: receiving and storing N pulse data by local sensors; calculating R statistics based on the stored data by local sensors; transmitting R statistics to the fusion center by local sensors; calculating weighted R statistics based on local R statistics from local sensors; making detection decision based on weighted R statistics.The invention improves the system performance when the SNR gap of local sensors is large.2/3 TStart 210 Local sensors receive and store N pulse data 220 Local sensors calculated R statistics based on the stored data 230 Local sensors transmit R statistics to the fusion center. 240 Fusion center calculated global R statistics based on local R statistics from local sensors 250 Fusion center make detection decision based on global R statistics end Fig. 2