性能

In order to make the customized product closely meet the customers individualized requirements, and provide the system with functions of evaluation and auxiliary decision-making, a customization model based on the customer interest orientation was proposed.

为使定制产品更加贴近客户真实的个性需求，并使系统具有对产品配置进行评估和辅助决策的功能，建立了一种基于产品性能的兴趣取向定制模型，引入了零件性能指数和产品性能矩阵对性能进行量化。

This thesis applies the methods of evaluation in the field of mechanical engineering and summarizes the procedure of performance evaluation for mechanical products. New evaluation approaches are proposed, which make the evaluation exacter and more dependable.

本文将评价决策基本原理和理论应用于机械产品性能评价，总结出一般机械产品性能评价的过程，提出了新的机械产品性能评价方法，使机械产品性能评价分析更准确可靠。

It determines the safety, self-discharge, power capability, low temperature performance, faradic efficiency, and the irreversible capacity loss for the first charge cycle.

电极电解液界面性质决定了锂离子电池的安全性能、自放电、低温性能、库仑效率、循环性能和不可逆容量，对整个锂离子电池的性能都有重要的影响。

PG was used to produce different types of binding materials as β-hemihydrate gypsum,Ⅱanhydrate gypsum and α-hemihydrate gypsum and the relevant factors were also studied systematically including the pretreatment methods of raw material, preparation process, the material properties, the mixing proportions, curing conditions and the hydration mechanism of different systems.

对磷石膏制备胶结材进行了深入、系统研究，包括β-半水石膏、Ⅱ-无水石膏的原料预处理方式、制备工艺、性能及其复合胶结材配比、养护、性能与水化硬化机理，α-半水石膏的制备工艺及其性能影响因素，二水磷石膏改性胶结材的配比、养护、性能及其改性机理。

Firstly, applying spectral factorization to minimize an integral square performance criterion containing tracking error and control energy, an optimal control law for the nominal model is derived on condition of control energy constraint. Then, for model uncertainty, using spectral factorization to minimize the variance of the actual system performance from the nominal performance over all frequency range, a robust controller design method is abtained, which has optimal robustness of the system nominal performance to model errors.

首先针对控制对象的标称模型应用谱分解最小化一个包含跟踪误差和控制能量在内的积分平方性能指标，导出一个控制能量约束条件下的最优控制律；然后再针对模型不确定性应用谱分解最小化实际系统性能和标称性能在整个频段上的方差，得到一个鲁棒控制器的设计方法，可使系统的标称性能对模型误差具有最优的鲁棒性。

With the breakthrough of aviation technology, international civil aviation organization put forward the communication, navigation and surveillance system based on performances. It is composed of required communication performance, required navigation performance and required surveillance performance.

随着航空技术的突破性进展，国际民航组织提出了基于性能的通信导航监视系统，其由所需通信性能、所需导航性能和所需监视性能组成。

First,this problem is converted into the problem of H_2 opmization constrainedby H_∞performance and pole location,then an auxiliary perfomance function is introduced,andthe former problem can be converted into the optimal problem of minimization of the auxiliaryperformance function with constraints described by a matrix equation,at Jast this problem issolved by lagrange multipliers,and the static output feedback controllers are designed.

首先将文题转化为一个具有H＿∞性能和系统闭环极点位置约束的系统H＿2性能优化问题。进而通过引入一个辅助性能函数，将其转化成有一个矩阵方程约束的辅助性能函数的最小化优化问题，并给出这个问题静态输出反馈控制器的解。

The influences of irradiation dose on the crosslinking degree and thermal, mechanical and flame retardant properties of EVA/MH blends were studied through the measurements of gel content, Vicat point, limiting oxygen index, UL-94, tensile testing and the thermogravimetric analysis.

通过对凝胶含量、维卡软化点、氧指数、UL-94垂直燃烧和拉伸性能的测试及热重分析，研究了辐照剂量对EVA/氢氧化镁交联体的交联度、热性能、力学性能和阻燃性能的影响。

Experimental results show that the performance of local parameter estimation is superior to that of global parameter estimation when there are no attacks, and the performance of local parameter estimation is worse than that of global parameter estimation when there are attacks.

通过实验得到以下结论：在无攻击条件下，局部参数估计的性能优于整体参数估计的性能；在有攻击条件下，整体估计的性能要好于局部参数估计的性能；压缩攻击会导致水印误检概率的增加，不同的攻击对模型造成的影响不同。

The effects of DCP content, content of in situ formed LiAA or NaAA and LiOH/AA or NaOH/AA molar ratio on the mechanical and water-swelling properties of the vulcanizates were discussed.

同时，硫化胶的力学性能和吸水膨胀性能在很大程度上取决于酸碱摩尔比，过量的AA会给硫化胶的性能带来不利的影响，但碱稍微过量（MeOH/AA摩尔配比为1.0～1.1）对硫化胶的性能影响并不大。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。