Specific Emitter Identification Based on IQ Compensation for Multi-Receiver Systems

With the advancement of radio frequency (RF) signal monitoring technologies, distributed multi-receiver emitter monitoring systems have become increasingly prevalent. However, most existing specific emitter identification (SEI) techniques rely on data collected from a single receiver, which presents limitations when adapting to distributed multi-receiver environments. Current methods for emitter identification in multi-receiver systems often overlook the RF damage introduced by the receivers when integrating signal features from multiple receivers, which may adversely affect classification results. To address this issue, this paper proposes a multi-receiver specific emitter identification method based on IQ compensation (MR-SEI-IQC). Experimental validation shows that the MR-SEI-IQC method effectively mitigates the negative impact of RF damage at the receiver end on identification accuracy.