Satellite-borne SAR and electronic reconnaissance data fusion detection method and system

The invention provides a spaceborne SAR and electronic reconnaissance signal data fusion method, which comprises the following steps: acquiring an SAR image by using a spaceborne SAR system, and detecting the SAR image to obtain a target coarse detection result; obtaining a radiation source detection result of satellite-borne electronic reconnaissance; time and space alignment of SAR data and electronic reconnaissance data is completed; constructing a multi-attribute feature extraction network by using multiple attributes of the load, performing relation modeling on features of the SAR detection data and the electronic reconnaissance detection data to obtain a feature fuzzy vector, and extracting usable features; according to a load space relationship, determining SAR data and electronic reconnaissance data feature matrix projection space, performing feature mapping, extracting effective information in features, removing redundant information, and strengthening target multi-attribute features; and performing