查询词典 object function

An optimization method is proposed to solved steady-state optimization problems by quadratic approximation of the object function and the Linear Matrix Inequalities Problem and Eigenvalue Problem of Linear Matrix Inequalities theory.

提出了将稳态优化问题的目标函数进行二次逼近及用可行性问题求解算法和特征值问题求解算法进行求解的优化方法。

Study on local extremum of object function in mutual information-based image registration;2. The difficulty of optimization caused by local extremum is the key problem of the algorithm.

由局部极值导致的寻优困难是困扰该算法的核心问题，混合优化算法成功地解决了互信息函数的寻优问题，但延长了配准时间。

This thesis analyzes the reasons of the local extremum in Mi-based image regitstration, then implemented an improved method, which is integrated previous information to get a more smoothly object function and overcome interpolation artifacts effectively. Experimental results show that this methods registration accuracy is improved and can be applied.

本文分析了基于互信息的图像配准过程中出现的局部极值问题，实现了一种结合先验信息获得更加平滑的目标函数的方法，并通过实验证明了该方法的有效性。

Using a planar target as intermedium, an optimized object function of the position and orientation transformation matrix of the sensor is established; and the matrix, namely registration matrix, is derived from the feature points on the planar target.

采用一个平面靶标作为中介，建立了传感器位姿变换矩阵的优化目标函数，根据靶标上多个特征点求解出该矩阵，即拼接矩阵。

In this approach, the relative entropy is used as a minimization object function.

这一方法完全基于物理学原理，在该方法中使用了相对熵的概念，并把它作为优化的目标函数。

A new static image reconstruction method for EIT based on genetic algorithm is proposed in this dissertation. It is quite different from the traditional modified Newton-Raphson iterative method based on minimizing the object function.

本文提出一种基于遗传算法的静态EIT图像重建方法，它完全不同于传统的基于目标函数梯度或高阶导数信息的Modified Newton-Raphson优化迭代算法。

The quasi-phsical method makes the original problem an optimization problem in mathematics. There is often the possibility of going to a local minimum of object function when solving the optimization problem mathematically.

所谓拟物就是主动地向自然界学习解决问题的方法，即寻找与原始数学问题等价的物理世界并观察这个世界中物质运动的生动形象，然后从中得出启发并逐步形式化为算法以求解问题。

Upon this, we forward more deeply: the emergence of the null phenomenon and the removal method of it; the operator selection in Genetic algorithm; improvement of object function and the introduction of the punishment method, etc.

在此基础上，本文进行了深入的专题研究：零空间现象形成的原因及消除方法；遗传算法中选择操作的研究；目标函数的改善，惩罚机制的介入等，并取得了一系列的成果。

And every numerical value of the object function is received in GA is calculated by using MCNP Code.

而且每一次遗传算法中得到的目标函数的值都是由MCNP软件的计算得出的。

The output-input relation of optimum and the relation between design variable and object function are simulated by using ANSYS.

并用ANSYS对最优设计的输出输入关系及设计变量和目标函数的关系进行了数值模拟。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。