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数字信息设备在工作时会产生微弱电磁泄漏信号,在电磁信号检测领域,应用随机共振方法将噪声的能量向信号转移,增强信号幅值。提高电磁泄漏信号的信噪比,实现从复杂噪声背景中提取微弱电磁波信号的特征信号。
Digital information equipment at work will produce weak electromagnetic leakage signal, in the field of electromagnetic signal detection, the application of stochastic resonance method to transfer the noise energy to the signal, enhance the signal amplitude. Improve the signal-to-noise ratio of the electromagnetic leakage signal, and extract the characteristic signal of the weak electromagnetic wave signal from the complex noise background.