Study of threshold effects of information leakage arising from computer
Che Shu-liang · Journal of China Institute of Communications · 2004
The video signal electromagnetic radiation model was set up based on near-field testing data of computer radiation, and the strength of video electromagnetic radiation was investigated in quantification by using computational electromagnetics method. Further more, the concepts of threshold of information leakage and information identification resolution were proposed. At last, the relation of threshold of information leakage and information identification resolution, and the relation of information identification degree and interception distance were studied. The key factors and conditions of the electromagnetic information leakage were studied in quantification.