以线性扩散波方程在自由下边界条件下的解析解为例，利用遗传算法来确定扩散波方程的参数。
The paper demonstrated the method for solving the parameters of the linear diffusive wave equation under free downstream condition by using genetic algorithms.
在1970年代形成的新的分析工具的影响，似冲击波一般从经济学专业的核心向外扩散。
The effects of new analytical tools developed in the 1970s spread out from the profession's core like a shockwave.
这个过程可以在埃亚非德拉火山记录片中看到：冲击波在在浓烟中扩散，携带着黑暗的火山灰云进入大气层。
This process can be seen in a movie of the Eyjafjallajokull volcano where the shock waves propagating in the smoke are followed by the rise of dark ash clouds into the atmosphere.
当这颗恒星爆发的时候，它产生的冲击波向周围扩散，如同一个铲雪犁一般掀起路径上的星际尘埃。
When the star exploded, it sent out a blast wave into the surrounding material, scooping up interstellar dust and gas as it went, like a snow plow.
根据我的同事伊恩·奥尔良的一篇早期的文章，电磁波只能扩散到离地球100光年的范围。
As my colleague Ian o 'neill pointed out in an earlier article, electromagnetic waves from telecommunications leaking off the Earth have now expanded out to a radius of merely 100 light-years.
紧紧缠绕的白矮双子星同时也会发出引力波——那是在空间和时间结构上扩散开的波纹。
The tightly wound White Dwarf binary should also be radiating gravitational waves-ripples in the fabric of space and time.
从他的眼睛里，我仿佛看到了一些东西，如电磁波一般地扩散了出来。
From his eyes, I seemed to perceive something, radiating outwards like electromagnetic wave does.
这可导致粒子的速度扩散、动电流及波的吸收。
The velocity diffusion current drive and wave absorption will result.
本文从衍射波扩散出发，提出了另一种分析离轴型全息图再现象与背景光分离条件的方法。
In this paper, Based on diffracted wave diffusion theory another analysis method about the condition keeping reconstructed image separate from backdrop light for off axis hologram is given.
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。
Some methods, such as adaptive median filter, Weiner filter, wavelet filter, anisotropic diffusion and so on, can not reduce noise effectively or.
针对相干增强扩散计算扩散矩阵较慢的缺点，提出了一种用小波系数估计图像边缘方向的相干增强扩散图像降噪算法。
Finally, it gave an image de-noising algorithm of coherence enhancing diffusion, which used wavelet coefficients to estimate the image edge according to the wavelets time-frequent analysis function.
本文介绍了目前生物医学光子学领域内引人注目的新技术—扩散光子密度波技术的理论基础、 系统及国内外的最新进展。
The paper introduces the present knowledge of the theory and technology of diffusion photon density wave (DPDW) which have been focus of the recent research.
由于球面波的几何扩展产生的波前能量的损失，这种扩散作用可从波的振幅降低方面观测到。
The loss of energy from a wavefront as a consequence of geometrical spreading, observable as a decrease in wave amplitude.
球面扩散使波的能量与传播距离的平方成反比。
Spherical divergence decreases energy with the square of the distance.
本文讨论了低频漂移波与托卡马克中反常输运的经验规律——赝经典扩散间的关系。
In this paper, the relationship between the low frequency drift wave and the empirical law of anomalous transport in Tokamak the pseudo-classical diffusion is discussed.
本文在相位扩散模型的基础上，研究了随机场对简并四波混频输出强度的影响。
The effect of the stochastic field on the degenerate four-wave mixing signal intensity hag been studied basing on the phase-diffusion model.
当地震发生，它会从震源产生一个速度为数公里每秒的扩散的波。
When an earthquake occurs, it generates an expanding wavefront from the earthquake hypocenter at a speed of several kilometers per second.
当去除1/4波片2和3时，则能够测量电子电荷的双极扩散常数和迁移率。
When 1/4 wave plate 2 and 3 are removed, the ambipolar diffusion constant and mobility of electron charge can be measured.
但前进中的纵波声束不断向表面扩散而产生出新生的滑行集散波。
Yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
柱面扩散使波的能量与传播距离成反比。
本文着重考察这个加速效应对波驱动的速度扩散和径向输运的影响。
The effects of the acceleration on the evolution of the distribution function, the coupling mechanism between the waves and the electrons and the wave-driven radial transport are discussed.
通过将中心波达方向与角度扩散进行分离，把二维联合搜索简化为一维搜索，降低了计算复杂度。
By isolating the central DOA and angular spread into decoupled parts, 2-d joint searching can be simplified to sequential 1-d searching, which reduces computational complexity.
利用小波变换能够很好地保留图像细节信息的特点，提出了一种将非线性扩散方程和小波变换相结合的图像去噪方法。
Using the features of wavelet transform that can save detail image information, an image denoising method with the combination of nonlinear diffusion and wavelet transform was presented.
前两小时内的扩散性抑制波通常会侵袭整个左侧顶叶皮层，但光信号有明显的区域差异。
In the earlier 2 hours, the SD waves usually spread across the whole left parietal cortex, however, the optical signals showed significant regional differences.
建立了受激细胞谐振-扩散链模型的假设，作为毫米波针刺效应的机理模型。
The hypothesis of Exited-Cell-Resonance-Diffuse-Chain (ECRDC) is presented as the model for millimeter wave acupuncture channel mechanism.
后两小时内的扩散性抑制波局限于顶叶皮层中央区域，且传播面积逐次减少；
During the later 2 hours, the waves were restricted in the central parietal cortex, and the propagated area decreased reversely with the increasing times of SD waves.
后两小时内的扩散性抑制波局限于顶叶皮层中央区域，且传播面积逐次减少；
During the later 2 hours, the waves were restricted in the central parietal cortex, and the propagated area decreased reversely with the increasing times of SD waves.
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