黄金分割

黄金分割应用于螺旋CT三维支气管树重建

Application of " golden section " to three-dimensional bronchial tree image reconstruction of spiral CT

黄金分割法判解压缩土的Pc值

Finding PC of compressed soil with golden section method

然后将产品的图像模型与其CAD理论模型之间的残差平方和定义为优化目标函数，采用黄金分割方法搜索其极小值；

Then deviation square sum between product 's image model and CAD model is defined as optimized object function .

基于小波变换和黄金分割搜索法的QRS波检测算法

Detection of QRS Complexes Using Wavelet Transformation And Golden Section Search Algorithm

提出了一种基于三层BP网络的柴油机故障诊断模型，给出了一种基于黄金分割法的变步长学习算法。

A diesel engine fault diagnosis model based on three-layer BP network is put forward , an step-changing learning algorithm based on gold-segmentation is given .

目的探讨采用黄金分割法获得螺旋CT三维支气管树（SSD）重建图像的最佳间隔。

Objective To obtain the best reconstruction interval of three-dimensional shade surface display ( SSD ) bronchial tree image reconstruction with golden section .

通过联合优化方法改进标准BP算法，即通过黄金分割法动态调整学习系数：对S函数引入状态系数并进行分段；

The joint optimization can improve standard BP algorithm as follows : dynamic adjusting learning rate by golden segment method ; shape coefficient is introduced in sigmoid function and sectionalization ;

广义Fibonacci数列与黄金分割数一种医学图像序列的交互式分割方法

The general term formula of Fibonacci sequence and golden number ; A Interactive Segmentation of Medical Image Series

在破坏面的自动搜索上，本文采取黄金分割法与一维Brent法相结合的方法，很好地实现了自动搜索功能。

In this thesis , the one-dimensional Brent method and golden section are adopted to search failure surface automatically .

单步控制时用黄金分割法（0.618法），多步控制时用Powell算法。

For single control horizon , we use the 0.618 method , and Powell 's method is used for multiple control horizon .

并根据Jury稳定判据，可以证明黄金分割与最小方差相结合的反馈控制策略对于不确定参数估值的稳定性。

According to the Jury stability criterion , the stability of the uncertain parameters valuations could be testified by feedback control strategy which is combined with the golden-section and minimum variance .

同时，通过实验与数据分析发现Mandelbrot集周期芽苞的Fibonacci序列的拓扑不变性，找到M集内的黄金分割点。

Furthermore , the topological invariance on the periodic buds Fibonacci sequence and golden section point in the Mandelbrot set are discovered .

采用MonteCarlo法求解复杂方程确定的面积，用黄金分割法和坐标轮换法解决了两盏路灯优化问题。

The area of space determined by nonlinear equation can be got by Monte Carlo method . The optimization problem of two street lamps lighting are solved by golden section method and coordinate alternation method .

讨论了根据内聚能和体积弹性模量实验值，用优选法中黄金分割法，计算立方金属Morse势的方法。

A method to calculate the Morse potential of cubic metals according to golden section method from the observed values of cohesive energy and bulk modulus has been studied .

文中提出了基于ANN的柴油机故障诊断方法，设计了适合该诊断系统的BP网络结构，并给出了一种改进的BP算法（IBP），该算法基于黄金分割法自适应调整网络学习速率。

This paper puts forward a diesel engine fault diagnosis method , designs BP networks form that fits the diagnosis system , and presents an improved BP algorithm ( IBP ), which can adapt learning speed using gold-segmentation .

提出了简化的单参数黄金分割法PID参数自整定方法，并根据现场有可测扰动的情况，研究了将前馈和变速积分PID反馈控制相结合，运用到温控对象上的方法。

An simplified PID self-tuning method using golden section single parameter optimization was put forward , and according to the exist of detected disturb in spot , feedforward and alterable integral PID feedback compound control algorithm which was applied in the temperature object is studied .

黄金分割法结合UTD计算机载天线方向图在复杂矿井通风网络优化计算中，发现了黄金分割法的越界现象。

Analysis of Airborne Antenna Pattern Using Hybrid Golden Section Method and UTD In the optimization of a mine ventilation network , the boundary overstepping took place in Golden Section Search .

把用黄金分割点（0.618）作为工艺参数选择的切入点，进行了TC11钛合金中板的研制工作。

Through selecting extreme and mean ratio ( 0.618 ) as the technological parameter , the development of TC11 titanium alloy median plate was studied .

通过分析Donoho硬阈值和软阈值方法的特点，提出了一种黄金分割法，这种方法结合了硬阈值和软阈值方法各自的优点。

By comparatively analyzing Donoho 's hard threshold and soft threshold method , this paper puts forwards a golden section method , which combines the advantages of both methods .

提出气候系统性态行为的确定性与随机性份额比接近Fibonacci数（黄金分割比）的假设。

The assumption that the ratio of the certainty to the stochasticity of the behaviors of the properties and states of climate system is similar to the Fibonacci numbers ( the golden ratio ) is brought out .

采用实验的方法，利用标准钢丝样本和直尺样本，先采用DR成像的方法大致确定投影中心的位置，然后利用黄金分割点逼近准确位置。

The experimental method was adopted , and the standard steel wire sample and ruler sample were utilized . Firstly determine approximately the position of projection center by adopting the method of DR imagery , and then approaches the accurate position by means of point of golden section .

提出可以使用黄金分割法确定Box-Cox变换中的参数，给出了一种计算步骤。

This paper brings up that golden section search can be used to search for the parameter in Box Cox transformation and offers a kind of steps in computing it .

提出了一种基于黄金分割法和二分法寻查思想的一维积分来实现二维积分的方法，此方法能迅速而精确地计算RTD电流密度－电压曲线适用于RTD及其电路的计算机辅助设计。

A kind of one dimensional integration method based on golden division and bifurcation for two dimensional integration is presented . Using this method , the current density voltage curve of RTD can be calculated with high speed and precision .

分别采用基于模型的最小损耗控制（LMC）、基于黄金分割的搜索控制（SC）以及结合二者优点的混合控制（HC），对这一问题进行了深入探讨，做了大量仿真实验。

The thesis has discussed the question deeply and done a large number of simulation experiments using Loss Minimization Controller ( LMC ) based on model , Search controller ( SC ) based on golden sections and Hybrid ControIler ( HC ) combining the advantages of LMC and SC.

并从理论分析和实例检验两方面说明了与一维格点搜索法相比，使用黄金分割法确定Box-Cox变换中的参数计算量较小，容易使计算结果达到较高的精确度，且易用性也有所提高。

Theoretical analysis and experiments show : comparing with a dimension lattice search , the searching for the parameter in Box Cox transformation by golden section search has less calculation , and it is easy to get more accurate result and is more applicable .

结果表明，品种更替中，株高结构渐趋合理，株高构成指数（IL）接近黄金分割值（0.618）；较高的IL值可作为大麦高产育种的选择指标；

It was showed that plant height structure was improved and plant length component index ( I_L ) approximated to the golden section value ( 0.618 ) during variety replacement , the higher I_L was suggested as a selection criterion for high productive breeding in barley .

在参数优化方面，研究了共轭梯度法、梯度下降法和拟牛顿法等非线性最优化方法以及黄金分割法、牛顿法和Armijo-Goldstein法等一维搜索方法。

While in the parameter optimization , we research some effective nonlinear optimization algorithms , such as conjugate gradient algorithm , gradient descent algorithm and quasi-Newton algorithm . And we also research some one-dimensional search algorithms , such as golden section algorithm , Newton algorithm and Armijo-Goldstein algorithm .

黄金分割算法在简支桥梁设计计算中的应用

Application of Golden Divisional Method on Design of Simply Supported Bridge

基于双种群黄金分割优化的遗传算法及其应用

GA and Its Application Based on Dual Population of Golden Division

二元合金相图与黄金分割律

The binary alloy phase diagram and the golden - section law