基本释义:

函数变数

网络释义

1)function variable,函数变数

2)variation function,变异函数

3)variogram

['v??ri?,ɡr?m],变异函数

4)Variant function,变异函数

5)variation function,变差函数

6)dynamic weighted function,变权函数

用法和例句

The objective function of NN was modified by variation function and the NN was trained of global optimization by genetic algorithm(GA) in this method.

针对克里金法具有平滑性、神经网络难以反映变量的空间相关性等缺点,用变异函数修正了神经网络的目标函数,并利用遗传算法对神经网络进行全局优化,形成了一种遗传神经克里金混合插值方法。

From the characteristics of the variation function and fractal dimension,the comparative research on the old veins V1,V2,V3 and V4 with new veins V7 and V8 in the deep of Xiangxi gold deposit was carried out.

从变异函数特征和分形维数特征方面,对在湘西金矿深部新发现的V7和V8矿脉与原有的V1,V2,V3和V4矿脉的成矿特征进行对比研究。

The thesis is carried out to investigate the spatial heterogeneity of the density of the solid in suspension in the water of the seacoast in Fuqing city,utilizing the variation function of the geo-statistics.

本文利用地统计学提供的变异函数研究了福清市近岸水体悬浮固体浓度的空间异质性。

Application of variogram in interplation of abnormal space;

变异函数在异常空间插值中的应用

Application of accelerating genetic algorithm to optimizing variogram parameters;

加速遗传算法在变异函数参数优化中的应用

Preliminary Study on Space Variability of Water-Salt and Robust Variogram;

水盐空间变异性与稳健变异函数的初步研究

Directed by the theories and methods of geostatistics, the variant function of ore body form of Qinshuigou phosphorus deposit is calculated.

用地质统计学的理论和方法,计算并拟合了清水沟磷矿矿体走向、倾向、厚度三个方向的变异函数,建立了矿床数学经济模型,并计算了磷矿石的储量和剥采比,为提高矿山生产的经济效益、充分合理利用矿产资源提供了科学依据。

The variant function is the core of geostatistics.

变异函数是地质统计学的核心部分。

Based on practical variograms,parameters of variant functions can be estimated more precisely,more automatically by genetic algorithms than by our traditional linear regression method.

半变异函数是Kriging空间分析法中的重要数学模型,在得到实际变异函数图的基础上用遗传算法来估计半变异函数中的参数比用传统的线形回归方法更精确更自动化。

Recent years,variation function is becoming more important when we research reservoir heterogeneity.

近年来,变差函数在储层非均质性研究中起到很大作用。

All kinds of data can be integrated by variation function.

通过使用变差函数,将地质、露头、三维地震、测井等静态和生产动态等各种信息有机地综合在一起,提高了井间砂体预测的精度,对于预测相似条件下稀井网地区的储集层分布也有理论指导意义。

To improve the quality of the restored images,a variation function as part of regularization penalty term was introduced to the reconstruction algorithm of EIT.

为提高电阻抗静态重构图像的质量,研究将离散变差函数引入到重构算法中,形成混合正则化重构算法,并对计及颅骨的颅内异物进行了重构成像。

Variation Function S-Rough Sets of the Variable Precision And Its F-Structure;

变精度变异函数S-粗集与F-结构

Preliminary Study on Space Variability of Water-Salt and Robust Variogram;

水盐空间变异性与稳健变异函数的初步研究

Fitting varigram of coal bed evaluation with GEO-EAS software

应用GEO-EAS拟合煤矿床估值中变异函数

Nested Overlap of Variograms in 3D Kriging

三维Kriging方法中的变异函数套合

Application of accelerating genetic algorithm to optimizing variogram parameters;

加速遗传算法在变异函数参数优化中的应用

Simple Crick method is fit for soil moistureforecasting in region and the forecasting error in half-variation triangle function model is less.

使用简单克里格法时,半变异函数模型为三角函数的预测误差小。

The variation is the core and basic tool of geostatistics.

变异函数是地质统计学的核心和基本工具。

APPLICATION OF VARIATION FUNCTION IN BEICHANG ORE SEGMEN OF LANPING Pb-Zn MINE

变异函数在兰坪铅锌矿北厂矿段中的应用

Equivalent Elliptic Nested Structure and Its Application in Variogram Nesting

空间变异函数等效应椭圆套合方法及其应用

Application of Variogram in the Reserve Evaluation of An Orebody of Dachang Tin Deposit in Guangxi

变异函数在广西大厂锡矿田X号矿体中的应用

Variational Studies on the Potential Energy Functions of Some Heteronuclear Diatomic Molecules;

异核双原子分子势能函数的变分研究

On an Extension of Variant of Jensen s Inequality for Convex Function;

关于凸函数的变异Jensen不等式的推广

A Simple Method to Solve the Problem of Beam-deformed-Strange Function;

求梁变形的一种简单方法—奇异函数法

Two Problems on Solving the Deformations of Step Beams by Singular Functions

关于用奇异函数求解阶梯形梁变形的两个问题

A Study of Crust Anisotropy Using Azimuthal Pattern of Receiver Functions;

利用接收函数方位变化研究地壳各向异性

Real Variable Function & Functional Analysis

实变函数与泛函分析

An exponential function is one in which the variable appears in an exponent.

指数函数是指数中出现变量的函数。

It Use the Singular Function to Deal with fhe Deformation of Variable Cross - sectionBeam under fhe Sction kf a Complicaed Load Automatically;

利用奇异函数自动处理变截面梁在复杂载荷作用下的变形