A general method for finding the Mean first passage time of go neral diffusion processes driven by shot noise is suggested.
本文对散粒噪音驱动的一般扩散过程作了系统分析，为求平均首通时间提出了一个一般化的方法。
Objective To remove the speckle noise in ultrasonic images by using anisotropic diffusion method.
目的将各向异性扩散方法应用于超声医学图像的去噪处理。
A general method for finding the Mean first passage time of ge neral diffusion processes driven by shot noise is suggested.
本文对散粒噪音驱动的一般扩散过程作了系统分析，为求平均首通时间提出了一个一般化的方法。
An algorithm based on the anisotropic diffusion equation is presented to suppress the speckle noise of B-Scan ultrasound image.
提出了一种基于各向异性扩散方程的B超图像斑点噪声抑制的算法。
In this paper, we determine the smoothing scale by diffusion balance with analyzing the signal and the noise energy variation in anisotropic diffusion smoothing processing.
这里通过各向异性扩散过程中信号与噪声能量的变化，利用扩散平衡来确定平滑的时间尺度。
Centred on thermal radiation, noise and diffusion, the basic design principle and method of gas blowdown sound pipe are described in derail.
围绕热辐射、噪声和扩散详述了天然气放空立管的基本设计原则和方法。
Anisotropic diffusion has good effect on reducing noise and preserving edge, in fact its an iterative process. An important question is to decide when the process should be stopped.
各向异性扩散在抑制噪声与保留边缘方面具有良好的性能，它实际上是一个微分迭代的过程，一个重要问题是这种迭代过程何时停止。
This paper discusses the problem of speckle reducing of SAR image based on nonlinear diffusion equation in order to reduce the noise of SAR image and improve the image's quality.
探讨SAR图像相干斑抑制的非线性扩散方程方法。以抑制SAR图像噪声，提高图像质量。
IN this paper, a new method which is based on anisotropic diffusion equation for INSAR phase noise reduction is proposed.
该文提出了一种基于各向异性扩散偏微分方程抑制干涉合成孔径雷达(INSAR)相位噪声的算法。
Some methods, such as adaptive median filter, Weiner filter, wavelet filter, anisotropic diffusion and so on, can not reduce noise effectively or.
而一些常用的滤波方法，如自适应中值滤波、维纳滤波，小波滤波、各向异性扩散滤波等，在抑制噪声的同时不同程度地。
The muffler uses the thick steel sheet as its exterior surface so as to prevent noise from diffusion.
消声器的外表面采用厚钢板，以控制噪声的投射型。
The muffler uses the thick steel sheet as its exterior surface so as to prevent noise from diffusion.
消声器的外表面采用厚钢板，以控制噪声的投射型。
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