指标函数

Based on maximum principles, Lagrangian function is adopted to obtain the weights of the indexes.

依据极值原理，利用拉格朗日函数得到各个指标的权重值。

In view of the reliability characteristics and impact factors of mining equipment,this paper builds the reliability life indicators for hydraulic support system,and calculated the reliability life by the membership function method.

针对综采设备可靠性特点及其影响因素，构建了液压支架的可靠性寿命指标体系，并采用隶属度函数方法进行了可靠性寿命的计算，其计算结果与生产实际有较好的一致性。

The principle and evaluation index of PSO are discussed in detail, which is based on analyzing likelihood function of ARMA model.

在分析基于ARMA模型似然函数的基础上，详细分析了PSO的思想、方法和评价指标。

As for the indexes of soft science it is difficult to express the target function by mathematical formula.

而软科学类指标，由于它的目标函数难以用为数学式表达，因此评估中较难掌握。

The probability consistency function method of computing the evaluating index for elements of heat-supply network has been discussed by using maximal entropy principle.

探讨了应用最大熵原理求解热网元部件可靠度指标的概率密度函数的方法。

Based on the PNN, a quadratic form performance index function is presented which allows the optimal operating trajectory to be obtained.

基于此时间函数模型，通过产品质量性能指标优化计算，获得最佳的控制轨线，作为实际生产的设定曲线。

A vector signal space is defined by defining the two-dimensional (2D) orthonormal basis functions, and three critical measurements of performance, namely, probability of error, efficiency of spatial spectra and power efficiency are also defined as metrics for comparing candidate modulation schemes.

通过定义于二维空间的正交基函数建立了矢量信号空间，并定义了三个衡量空间信号设计方案性能的指标，即误符号率，频带利用效率和功率效率等。

Based on the idea, this paper develops a new performance index of detecting the oscillatory feedback control loops.

本文利用这个思想，在现有评价控制回路振荡方法的基础上，提出了一种新的回路振荡评价方法，通过找出系统可接受的振荡程度和被控变量的自相关函数的关系，得到评价反馈控制回路振荡的性能指标。

The Technological Support of Diversification Management Paterns Agriculture insurance zoning is essential to providing crop insurance scheme in Chinese agricultural. Six risk indices, indicating regional characteristics, and fuzzy cluster analysis method, are applied to divide risk zones. After that, three kinds of ratemaking of agriculture insurance ways are discussed,including the weighted average method, the normal distribution method and the Pearson distribution method.

第六章多元化经营模式的技术支持农业保险区划是农业保险经营过程中必要的基础工作，根据区划的要求，本章选择了六项最能反映区域特征的风险指标，运用模糊聚类分析法，进行农业保险的分区；提出了农业保险费率厘定的三种方法，包括加权平均法、正态分布法和皮尔逊函数法。

MTF, in the physical optics theory, is a synthetical evaluation index of imaging performance of optics system.

引言调制传递函数MTF在物理光学中，是光学系统成像性能的综合评价指标。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。