Radiation emission data

This paper introduces a novel chip electromagnetic fingerprint (EMF) feature extraction scheme based on the Frequency-domain Constellation Trajectory Figure (FCTF), as well as an EMF recognition method using Convolutional Neural Networks (CNN) for MCU function recognition. The FCTF offers a two-dimensional visualization of the amplitude-frequency characteristics of chip electromagnetic (EM) leakage, effectively highlighting high-amplitude frequency features while suppressing low-amplitude ones.