外推法

多晶体X射线分析实验中的误差分析与外推法

Error Analysis and Extrapolation of Multi crystal X-ray Analysis Experiment

如果说外推法是预测家的朋友，那么均值回归理论（meanreversion）就是预测家的拐杖。

If extrapolation is the forecaster 's friend , mean reversion is the forecaster 's crutch .

X射线衍射外推法精确测定晶胞参数

Accurate determination of lattice constant by extension function method of X-ray diffraction

用X射线衍射外推法对几种磷矿微结构的测定与研究

Study on Crystal Structure with XRD

从周期外推法出发，提出了一种基于神经网络的外推法修正模型：通过BP网络进行训练，找到随机因素（如天气等）对负荷的影响因子，然后将其作为周期外推法模型的修正项。

Based on general period extrapolation , a new method was proposed , which error was modified by BP network .

液相温度用偏光显微镜和半定量X射线衍射强度外推法两种方法来确定，并且这两种方法测出的结果比较接近。

The liquidus temperatures determined by petrographic microscopy method are in better aggreement with those determined semiquantitatively by the extrapolation method of X-ray diffraction intensity .

双外推法研究FeC2O4·2H2O脱水过程的动力学机理

Study on the Kinetic Mechanism of the Dehydration Process of FeC_2O_4 · 2H_2O Using Double Extrapolation

三维扩散方程基于Richardson外推法的高阶紧致差分方法

High-Order Compact Difference Method Based on Richardson Extrapolation for Three-Dimensional Diffusion Equations

用Richardson外推法分析流动传热层流问题的不确定度

Uncertainty Analysis of Laminar Flow and Heat Transfer Problems by Richardson Extrapolation

确定了实验的固化剂为B/EMI-2,4复合固化体系，由DSC结果用外推法确定了固化工艺。

B / EMI-2,4 curing system was identified as the curing agent , and the optimized curing condition was also decided .

基于外推法的思想，提出了格子Boltzmann方法中的误差计算方法。

According to the extrapolation technique , the error estimation method of lattice Boltzmann method was proposed .

双外推法研究Zn（Ac）2.2H2O失水过程的动力学机理

A Study on the Kinetic Mechanism of Zn ( Ac ) 2.2H 2O Dehydration by Double Extrapolate Method

基于此，本文提出了在线超短期负荷预测，并建立了两种超短期负荷预测模型：一种是基于线性外推法的超短期负荷预测：一种是基于BP网络的超短期负荷预测。

In this paper , two models of online super short-time load forecasting are proposed . One is based on the linear extrapolation , the other on the BP .

利用有限差分方程得出磨块座的横向自由振动频率，并通过李却德孙外推法修正K值。

Natural frequency of transverse vibration of the grinding block holder was obtained , according to the finite difference equations of grinding block holder . K was revised by extrapolation method .

Richardson外推法的误差小于正切法；

The error of Richardson ' extrapolation method is less than that of secant method ;

本文介绍了运用Excel来预测地下水水位动态变化趋势的一种方法&趋势外推法。

This article introduces the application of Excel 2000 to the dynamic forecast of the changing trends of underground water level , i.e. , trend projection .

这一实验有助于学生理解Richardson外推法的精髓。

Such an experiment is helpful for students to understand the main ideas of Richardson 's extrapolation .

趋势是预测家的朋友。外推法（extrapolation）假设，未来会和过去一样，只不过程度更甚。

The trend is the forecaster 's friend . Extrapolation assumes that the future will be like the past , only more so .

XRD晶相定量分析及外推法证明，每种组分氧化物都在界面上自发分散为非晶相，并具有各自的分散阈值。

XRD quantitative analysis and extrapolation indicated each component oxide disperses spontaneously to form a non - crystalline phase at interface and has a dispersed threshold value ( maximum dispersion capacity ) .

第一、研究了拟Shannon小波的性质，构造了求解偏微分方程的拟Shannon小波配置法，同时将外推法引入小波配置法，进一步改善了该方法的计算效率和计算精度。

The properties of Quasi shannon wavelet was studied in this paper , and a wavelet collocation method for partial differential equations was conducted .

利用外推法得到的该表面活性剂临界胶束聚集数约为亲油基同碳数的CTAB临界胶束聚集数的一半。

The critical micellar aggregation numbers obtained by extrapolation method are half of the CTAB 's ( cetyltrimethylammonium bromide ) which is hydrophobic with the same carbon number .

为了使夏克-哈特曼波前传感器（HS）在具有高灵敏的同时又能获得大的动态测量范围，介绍了一种能够增大HS动态测试范围的软件处理方法-外推法。

A software-based method called extrapolation method was presented to overcome the trade-off between the sensitivity and the dynamic range of displacement of Shack-Hartmann Wave-front Sensor ( HS ) .

采用极化曲线外推法、电荷转移电阻Rt与阴极极化电位E之间的关系确定在阴极保护系统的最佳保护电位和析氢电位。

Polarization curve extrapolation and curves of Rt ( Charge-transfer resistance ) and E ( cathodic polarization potential ) were used to determine the best protection potential and the hydrogen evolution potential of the cathodic protection system .

本文提出了一种新的复杂散射体雷达散射截面（RCS）的分析方法&频率特性外推法。

A new method for analyzing the Radar Cross Section ( RCS ) of a complex scatterer is put forward in the paper , which is a method of frequency characteristic extrapolating .

介绍了在4π高气压正比计数器与碘化钠闪烁计数器符合装置上测量电子俘获核素￣（57）Co的效率外推法。测定了不同充气压力和不同工作电压对测量结果的影响。

An efficiency extrapolation method was used to measure the activity of ￣( 57 ) Co by the 4 πβ( PPC ) - γ coincidence system , and the effects of pressure and voltage on the measurement were de-scribed in detail .

介绍了能量刻度的四种方法：道数-能量关系直线外推法，脉冲幅度-道数关系直线外推法，双射线源法，特征X射线法；

Four methods are introduced in this paper . Include linear extrapolation of channel-energy correlation , linear extrapolation of channel-pulse amplitude correlation , double radiation source method and the characteristic X-ray line spectrum method , and also introduced the check up method .

对界面裂纹尖端场采用外推法求解强度因子并利用J积分的二维回路线积分法计算能量释放率。

The stress intensity factors are obtained by using the stress-extrapolation method to stress field near the crack tip , and the energy release rates are calculated out by two-dimensional linear closure integral calculation of J-integral .

新方法中将LMS算法中的各步权增量向量旋转后放至同一平面，在此基础上利用凸函数外推法求出计算步长的当前最佳估计值。

In the new method the increment of the weights vector in previous steps was rotated and placed to a plane , then the extended method for a one variable convex function was used .

本文给出Rn内n维（n≥2）矩形域D上Richardson外推法余项展开式.它是处理高维数值积分，特别是自动积分的基础。

In this paper , we obtain an expansional formula of the remainder of Richardson extrapolation over n-dimensional rectangular domain in Rn . It is a basis for solving the multidimensional numerical integration , especially for auto-integration .

叠前深度偏移是目前理论最先进、精度最高的地震波成像技术，它主要包括Kirchhoff积分法和波场外推法（也称波动方程法）。

Prestack depth migration is by now one of the most advanced and accurate seismic imaging technology , which mainly includes Kirchhoff integral method and wave-field continuation method ( wave equation method ) .