通过双阈值系统中的随机共振特性，研究含有高斯白噪声的信号。-is investigated the characteristics of stochastic resonance of the signal added Gaussian white noise in a bithreshold system

In Medical digital images, produced by various imaging devices like x-ray, CT, magnetic resonance imaging (MRI), ultrasound, etc., use for diagnosis of diseases. Ultrasonic imaging is a widely used medical imaging procedure because it is econ