二次映射

In anti-fuzzy number space, the conjugate mapping of convex fuzzy mapping is concerned, and convexities of conjugate set and conjugate mapping of convex fuzzy mapping are proved.

在研究模糊向量空间、模糊凸集和模糊凸映射的基础上，我们研究了模糊规划的Lagrange对偶和凸模糊规划的KKT条件，并将有关结果应用到模糊线性规划和模糊二次规划的研究中。

Based on the ICMmethod,the discrete topological optimization problem about spot-weld's existence or not is transformed into the continuous optimization problem on[0,1].The optimization model is founded with maximizing the structural stiffness as objective and structural strength as constraints.The problem of multi-objectives and multi-constraints is transformed into the problem of single-objective and single-constraint with the K-S function.The displacement and stress are transformed into the explicit function of design variables with the Response Surface Methodology.The optimization model is solved with Sequential Quadratic Program.

基于ICM（Independent Continuous Mapping，即独立、连续、映射）方法，将焊点有无的离散拓扑优化问题转化为[0，1]区间上的连续优化问题；建立了以结构刚度最大为目标、结构强度为约束的连续拓扑优化模型；采用K-S函数将多目标和多约束问题转化为单目标和单约束问题；运用响应面方法将位移和应力转化为设计变量的显式函数，采用序列二次规划方法求解优化模型。

Then, compute geometry property of each point on Gaussian sphere and curvature coordinate.

然后计算测量点几何属并将它映射到高斯球和法曲率坐标上，运用统计方法识别不同分布模式，从而识别不同的特殊二次曲面类型。

We propose a scheme to improve the local complexity of the chaotic stream cipher based on piecewise quadratic equation map.

在"分段二次非线性映射"的基础上，我们提出了非线性耦合反馈的改进方案。

Quadratic mapping.

二次型映射。

Keywords Differential coefficient of fractal dimension,fuzzy identify,,,,,reasoning frame,attribute clustering,VC theory,SVM leaming,neurai network,,,,,three layered ANN caPacity,quadratic mapping.

Article From 中国科学院软件研究所；计算机软件与理论博士论文 2001年度分维微分；模糊判别；推理框架；属性聚类； VC理论； SVM学；习；神经网络；三层ANN容量；二次型映射。

Firstly, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are also proposed; Secondly, the basic raster graphics algorithms for drawing 2D primitives are introduced, including self-adaptive algorithm of singl...

首先讨论了高级语言描述到硬件描述语言的映射，提出了算法到算法状态机抽象的规律；然后，介绍了现有的基本图形生成算法，包括直线的自适应算法、三角形边相关扫描算法，宽直线线刷子算法及改进的圆形、椭圆的生成算法，同时讨论了加速算法的研究现状；接下来具体讨论了基本图形的硬件实现，给出了各算法的状态机流程图、接口定义和实现框架，并且从理论角度给出了二次曲线加速算法的证明；最后采用EDA工具对VHDL程序进行仿真、综合并实现。

The influence of noise on the dynamics of a two-dimensional neural map with self-sustained subthreshold oscillations is studied by numerical simulation.

在具有稳定次阈值振荡特性的二维映射神经元模型中，研究了在没有外界输入信号时噪声对体系动力学的影响。

Firstly, by using asynchronous data dealing way of mapping measurements, point track of the multi-sensor measurements is composed. Secondly, SSR is used to modify the height information of the enemy target adaptively. Finally, by using the unscented JPDA algorithm, the sequential filtering fusion of asynchronous sampling measurements can be realized.

该算法首先通过测量值映射的异步数据处理方法对多传感器数据进行点迹的合成，然后通过二次雷达对敌方目标的高度信息进行自适应修正，最后用无味JPDA算法对按序到来的异步采样量测进行顺序滤波融合。

The dynamic measuring method of alignment parameters based on the Satisfaction Criterion Model is presented in this paper. Using the quadratic regression crosscut combination method to organize the experiment, the mapping relationship between side force of slippage and camber angle and toe-in of the testing vehicles is obtained by regressing the experiment data. In this experiment, side force and slippage are testing objects, camber and toe-in value are testing factors.

本文提出了基于满意准则数学模型的车轮定位参数智能化动态测量方法，运用二次回归正交组合设计方法组织和安排试验，以车轮外倾角和前束值作为试验因素，侧向力和侧滑量作为试验目标，通过对试验数据的回归处理得到了试验车辆的侧滑量或侧滑量同车轮外倾角以及前束值之间的映射关系。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。