This method is proved to be the second order finite difference solution of the diffusion wave.
从河道洪水运动波方程的有限差分解入手,推导出了涨落差法的计算公式,进而证明该计算公式为河道洪水扩散波方程二阶精度的有限差分解。
The diffusion wave equation is based on the neglect of the inertia terms from the momentum equation of the De Saint Venant flow equations, and it has been demonstrated that the model is a good method for flood routing with enough accuracy and relatively simply.
扩散波方程是通过忽略动力方程中的惯性项后与连续方程联立求解而得 ,经大量的实践证明不失为一种既具有足够精度又相对简单的洪水演算方法 。
This paper proposes a flood routing model based on the analytical solution of the linear diffusion wave equation with free downstream conditions.
扩散波概念的提出至今已有近半个世纪。
Based on Shape Context, this method is a 2D invariance shape matching algorithm, integrated with improved contour extraction algorithm, pretreatment (diffusion filter algorithm) and normalization method, which make it suitable for both simple shape and face shape matching.
本方法基于Shape Context算法,使用改进的边界提取算法,并融入了扩散滤波的预处理算法和数学归一化方法。
By building a simplified model of power distribution system,this paper discusses how different detecting modes and installation positions of shunt active power filter on a single feeder affect the system stability and the harmonic propagation damping.
通过建立配电网的简化模型,探讨了单根馈线上并联型有源滤波器不同检测方式及安装位置对系统稳定性和谐波扩散抑制效果的影响。
The Numerical Solution of the Diffusion Wave Equation and Application in Flood Routing;
扩散波方程数值解及其在洪水演算中的应用
Refraction of reaction-diffusion plane wave for different diffusion coefficients
在不同扩散系数下反应扩散平面波的折射
Light waves weaken as they spread out from a source.
光波从光源扩散时，强度减弱。
The Asymptotic Periodic Solutions and the Traveling Wave Solutions for the Reaction-Diffusion Equations;
反应扩散方程的渐近周期解及行波解
Stability and Traveling Wave Solutions of Reaction-diffusion Model;
两类反应扩散模型的行波解和稳定性
Stability and Traveling Wave Solutions of Reaction-Diffusion Systems;
几类反应扩散系统的行波解与稳定性
Diffusion Coefficient of Molecules During the Microwave-Assisted Extraction Process
微波辅助萃取过程中的分子扩散系数
Analysis of P wave dispersion and heart function in dilated cardiomyopathy with paroxysmal atrial fibrillation
P波离散度对扩心病房颤的预测价值
Multi-armed Spiral Waves in Three-component Reaction Diffusion Systems
三变量反应扩散方程中的多臂螺旋波
The Relationship of Atrial Expansion and P Wave Dispersion
心房扩大与P波离散度的相关性研究
THE EQUIVALENT STEP PLANAR WAVE-GUIDE METHOD FOR DIFFUSED PLANAR WAVE-GUIDE
扩散平板光波导的等效阶跃平板波导方法
Convergence of Numerical Solution for Diffusion Filtering Model Based on Wavelet Transform
基于小波变换的扩散滤波模型数值解的收敛性
The traffic trunk line is a basic premise of the development of TEB.
工业集聚-扩散的波浪式运动是经济在空间上扩散的一个基本模式。
She threw a stone into the pond and watch the ripples spread
她把一块石头扔进池塘里, 看著水的波纹扩散开
She threw a stone into the pond and watched the ripples spread.
她把一块石头扔进池塘里, 看着水的波纹扩散开.
She throw a stone into the pond and watch the ripples spread.
她把一块石头扔进池塘里，看著水的波纹扩散开。
The velocity diffusion, current drive and wave absorption will result.
这可导致粒子的速度扩散、动电流及波的吸收。
Two-dimensional theoretical model for diffusional CW oxygen-iodine chemical lasers
连续波扩散型氧-碘传能化学激光器模型