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白噪音抵消外界噪音的原理是什么?这个问题的根本原因不在心理学/神经科学范畴,而是在物理学和信号处理(非线性系统)范畴。该现象被称为随机共振(Stochastic Resonance, SR),存在于非线性系统对信号调制作用之中,而我们人脑和许多信号处理设备对信号的处理机制都符合非线性系统特征,因而存在此现象。
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