The velocity variable of a noise oscillator as an internal or external noise is proposed, the spectrum of which is quite......

提出了带有局部耦合项的冲击扩散方程,其沿着等照度线(边缘)的梯度方向实施反向扩散(冲击)以锐化边缘;相反地沿切线方向实施正向扩......