parabolic method

Application of Parabolic Method in Equal Bidding for Electric Power Market

抛物线法在电力市场等报价中的应用

A new parabolic method of sag calculation in roller chain drives

滚子链传动垂度计算的新抛物线法

Last velocity for first stage rocket is calculated by using the penalty function method and parabolic method .

并应用罚函数法及抛物线法求解。

Piecewise Parabolic Method for Compressible Multi - fluid Flows with van der Waals Equation of State

vanderwaals状态方程可压缩多流体流动的PPM方法

All these methods have their own limitations , while the parabolic method of equal quotation is simple in calculation , good in operation and quick in convergence .

这些方法都有各自的局限性，而等报价的抛物线法计算简单，可操作性较强，收敛较快。

This paper pointed out the deficiency of parabolic method in the existed sag calculation and introduced a kind of new parabolic method with a simple calculation process and a high calculation precision .

本文指出了现有垂度计算抛物线法的不足，介绍了一种新的抛物线法，该方法计算过程简单，计算精度高。

The comparison of the parabolic method with the above mentioned 5 methods shows that the parabolic method is a relatively good method in the equal quotation for power plant to supply with power to the network .

通过将抛物线法与上述5种方法比较后得出：抛物线法在电厂供电上网等报价中是较好的一种方法。

Approximately calculating definite integrals by midpoint-rectangular method , trapezoidal method and parabolic method are considered for the integrands which are twice continuously differentiable or twice piecewise continuously differentiable and the best estimations of errors are obtained .

在被积函数是二次连续可微或二次分段连续可微的条件下，考虑了定积分近似计算的中点矩形法、梯形法和抛物线法，并且得到误差的最佳估计。

In a compressible fluid-mixture model based on volume fraction , a high-order piecewise parabolic method ( PPM ) is employed to solve multi-fluid flows characterized by the van der Waals equation of state . A double shock approximation is used in the Riemann solver .

基于流体体积分数的混合型多流体数值模型，将piecewiseparabolicmethod（PPM）方法应用于可压缩多流体流动的数值模拟，采用双波近似求解多流体vanderwaals状态方程的Riemann问题。

Parabolic Equation Method of Electromagnetic Wave Propagation in Atmospheric Duct on The Sea

海上大气波导环境下电磁波传播的抛物方程方法

Research on the Implementation and Application of Parabolic Equation Method Based on Higher-order Pade Approximation

基于Pade高阶近似的抛物方程方法的实现与应用研究

We use a one dimensional parabolic interpolation method to solve a non-linearly constrained problem .

使用一维抛物线插值法解决非线性约束问题，构成算法的一部分。

Computation Formulas of the Earthquake Response Spectra Based on Parabolic Interpolation Method and the Analysis of Its Precision

基于抛物线内插的反应谱计算公式及其精度分析

Parabolic equation method for water wave is widely used to simulate the wave propagation from offshore to inshore .

波浪传播变形数值模型的抛物型近似在近海工程大范围水域的波浪推算中应用十分广泛，本文就抛物型缓坡方程（PMSE）数值计算中波浪方向的计算作了分析。

The existence and stability of the optimal control is established based on the parabolic regularization method and the weak convergence technique .

用抛物正则化方法和弱收敛技巧，证明了最优控制的存在性和稳定性。

The frequency-rising and frequency-falling use linear method , exponential curve method and parabolic curve method .

升降频采用直线升降法、指数曲线升降法或抛物线升降法。

The rotated parabolic equation method was presented to compute the bistatic radar cross section ( RCS ) .

并提出了旋转抛物线方程算法，实现了目标任意角度雷达散射截面的快速计算。

The result shows that the parabolic fit method has a high precision with fewer computing time when the background noise is the main noise source .

结果表明，方法误差与随机噪声的性质有关：在本底噪声为主时，二次曲线拟合法精度高，计算量小。

The dynamic image analysis methods including the gray centroid method and new developed methods : exponent centroid method and parabolic fit method are discussed and compared .

着重讨论了动态图像分析法，包括灰度重心法和新发展的幂次重心法、二次曲线拟合法。

The parabolic equation method has been used widely in the electromagnetic wave propagation model and becomes the main tool to resolve the problem of electromagnetic wave propagation .

抛物方程方法已经被广泛地应用于电磁波传播模型，并成为解决电磁波传播问题主要的工具。

The parabolic equation method , which is an efficient and fast numerical approach based on paraxial approximation of the wave equation , models energy propagation in a cone centered on the paraxial direction .

抛物线方程算法是建立在波动方程轴向近似基础上的一种数值方法，该方法假设电磁波能量沿抛物线轴向的锥形区域传播。

The Parabolic Equation method ( PE ) is an approximation of the wave equation , which models energy propagating in a cone centred on a preferred direction , the paraxial direction .

抛物线方程（PE）是波动方程的一种近似形式，它假设电磁波能量在沿着抛物线轴向的锥形区域内传播。

By comparing the results of electromagnetic scattering from simple objects computed by the parabolic equation method with those computed by other methods ( such as numberical methods and the method of high frequency approximation ), we can find accuracy and quickness of this method and its limitations .

用抛物线方程方法计算一些简单目标的电磁散射，利用计算结果与其它数值方法及高频近似法比较验证该方法在电磁计算方面的快速、准确性，并从中发现该方法存在的缺陷和不足。

A parabolic equation approximation method in analysis of wave propagation in inhomogeneous medium

电波传播的抛物方程近似分析法

Parabolic Equation Approximate Method for Calculation of Wave Propagation in Open Sea Area An Approximate Method for Calculating Unsteady Density Current Transmitting in a Reservoir

开敞水域波浪的传播&抛物线方程法

The mathematic model of LMS transdermic absorption rate under different azone concentrations was calculated by the parabolic curve fitting method .

采用抛物线拟合法建立不同时间下氮酮（Azone）浓度对LMS透皮吸收率的数学模型。

Structured generalization method based on contour lines and DEM are designed separately and a parabolic two-way fitting method used in deleting valley is proposed .

分别设计了基于等高线结构化综合和基于DEM结构化综合两种方法，提出了一种抛物线双向拟合的方法用于谷地删除。

Finally all the equivalence nodes are linked to a slippery curve by cube parabolic sleek evenness method and the curve is plotted .

最后用三次抛物线的滑动平均法将街值点连接成光滑的曲线，并对曲线所表示的数值进行了注记。

A High Order Parallel Difference Scheme of Parabolic Equation variance components method

抛物型方程的一种高阶并行差分格式方差分析法方差分析法

The Calculation of Direct Interpolation of Parabolic Based on Time-divided Method

基于时间分割法的抛物面曲线直接插补算法的研究