Automatic road extraction from SAR images based on mathematical morphology and phase group 基于数学形态学和相位编组SAR影像道路自动提取
Fuzzy Mathematical Programming for Optimal Operation of Feeding Reservoir Group in Series 串联供水库群优化调度的模糊规划模型
On the basis of applying mathematical statistics to construct debris group the procedure of quantified qualitative ferrographic analysis was simplified and normalized. 运用数理统计的有关原理和方法,通过构造磨屑群简化并规范了量化铁谱定性分析的过程。
With the methods of documentary data, experiment, and mathematical statistics, the elements among multiple element group training method are introduced. 采用文献资料、实验、数理统计等研究方法,简介多元组合训练法的要素。
This satellite mechanical model is used to shrink the satellite structure, through mathematical means, into a group of data of totally equal value in mechanics. 这种力学模型,是指通过数学手段把卫星的结构减缩成力学上完全等价的一组数据。
Mathematical Model for Temperature Control in Hot Strip Finishing Mill Group 带钢热精轧机组机架间冷却控制数学模型
Practice Research on Senior School Students 'Application Capability Training in Mathematics Through Establishing the Mathematical Modeling Interest Group 利用数学建模兴趣小组培养学生数学应用能力的实践研究
Based on the median theorem and the diffraction principle, a novel mathematical model for particle group size distribution was presented in which the actual size distribution of particle group can be expressed equivalently with finite kinds of single size particle group. 通过分析粒子群的Fraunhofer衍射环的能量分布情况,从中值定理出发,建立了以有限种等效单径粒子群组合来确定实际粒子群粒径分布的数学模型。
The mathematical model is a group of stiff equations and resolved by two point implicit method, the experiment results agree well with simulation. 建立了带有中间贮罐的混合溶剂间歇萃取精馏过程的恒摩尔持液模型,并运用两点隐含法求解该模型,结果表明,模拟计算结果与实验结果吻合较好。
After it, the Referential Uniform Reduction Method is to be applied. Special defects and defacements could be introduced into the mathematical model of the structure, and a group of the load-displacement curves representing different states of imperfections were obtained. 其次,应用参考统一折减法,能够将一定的损伤缺陷引入结构有限元计算模型,得到对应于不同损伤缺陷程度的一组结构荷载位移曲线。
In this paper, by analyzing the existing schemes of group key distribution, we propose a mathematical model for scalable secure group key distribution schemes, and the dynamic security of group key distribution is formally defined based on this model. 通过对现有的群密钥分配方案分析,该文提出了可扩展的安全群密钥分配方案的数学模型,基于该模型形式地定义了群密钥分配的动态安全性。
This paper describes a mathematical model for the problem of marshalling single group freight trains at technical stations in a network with a number of constraints. An heuristic algorithm and a branch-and-bound algorithm are proposed for the model. 本文对路网上技术站多种能力约束下的单组列车编组问题建立了整体性数学模型,并提出了一种启发式算法和一种分枝定界算法。
The mathematical model of balanceable inter-electrode gap in high frequency group pulse electrochemical machining is presented. Based on the model, the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed. 给出了脉冲电化学加工极间平衡间隙的数学模型,并据此讨论了高频群脉冲电化学加工中,电源主脉冲频率与平衡加工间隙的关系。
A more accurate physical image and mathematical formula is presented to calculate negative group velocity dispersion generated by a pair of prisms a wedge lens in femtosecond laser. 给出了精确计算楔形镜与棱镜对组合系统群速度色散量的物理图象和数学表达式。
Solving nonlinear differential equation is one of the best difficult field in applied mathematics and mathematical physics, but Lie group is a better tool on it This paper will describe software package Lie symmetry of solving ordinary and partial differential equation realized by using REDUCE language. 求解非线性微分方程是应用数学和数学物理中最艰难的领城之一,而Lie群则是这方面强有力的工具。本文描述REDUCE语言实现的求常、偏微分方程Lie对称的软件包。
Based on the semi-analytical solution of Hamilton canonical equation, a new mathematical model for the vibration characteristics of a group of double-shell structures is proposed. 以Hamilton正则方程的半解析法为基础,为一类双壳结构的振动特性提出了一种新的数学模型。
In this paper the mathematical model of bubble group noise are introduced under the arbitrary conditions by using the method of Euler. 本文采用空间点观点的处理方法,得出任意给定条件下,群体空泡噪声的数学模型。
He inherited the tradition of conceptual analyses, brought in the tool of mathematical logic from the ideal language group creatively and summed up the general principle governing the everyday language. 格赖斯继承日常语言学派的概念分析传统,同时开创性地借用逻辑分析的形式化方法研究日常语言的意义,归纳出自然语言的一般规则,为语言哲学研究提供了崭新的思路。
This papers studies regulars of the wall temperature distribution for the sin-gle radiation tube and the flue gas temperature change when varying the preheating temperature of air and flame length by means of mathematical model The regulars of performance change for radiation tube group are studied. 本文以数学模型为手段,研究了在不同空气预热温度、不同火焰长度下单辐时管壁温分布规律及烟气温度变化规律,同时研究了在不同参数下群辐射管性能变化的规律。
At the same time implemented machine proof of some mathematical theorems ( Group theory) and logical Inference of statements. 与此同时,实现了一些数学(群论)定理的机器证明,命题的逻辑推演等。
The Mathematical Model of Bubble Group Noise 群体空泡噪声的数学模型
The set of molecule symmetrical operation meets the definition of mathematical group. 分子的全部对称操作的集合完全符合数学群的定义。
Mathematical Statistics Analysis for the Group Bubbles of Filter Elements Fabrication Integrity 滤芯结构完整性试验结果之群泡值数理统计分析
A mathematical model for extracting the anomaly information of synthesis precursory group is set up. 建立了Synthesis法前兆群体异常信息提取的数学模型。
A Theorem About the Mathematical Structure of Renormalization Group Equation 关于重整化群方程数学结构的一个定理
A systematic mathematical model group has been developed to simulate the billet section temperature distribution, austenite structure evolution and products properties. 开发了用于模拟高碳钢高速线材生产过程中断面温度分布,奥氏体组织演变和产品性能的系统数学模型组。
By using genetic algorithm, the solution of optimal mathematical model for the project group is studied. The single-object optimal programming is extented into multi-object genetic algorithm. 利用遗传算法对项目群优选数学模型的求解进行了新的探索,并在单目标遗传算法程序的基础上,拓宽为多目标遗传算法。
The group encryption communication and group signature-authentication of power system with above characteristics are put forward. The mathematical structure of group encryption communication system, encrypt-decrypt algorithm and the generation methods of group secret key, group public key are given. 文中提出具有这些特征的电力系统集团加密通信与集团签署认证系统,给出了集团加密通信系统的数学结构,加密解密算法和集团秘密钥匙、集团公开钥匙的生成方法;
The article has first analyzed the examination paper appraisal target, each target function, has established the intelligent group volume mathematical model; Then elaborated has tried the question bank group volume system general the design concept and the realization method and introduced the genetic algorithm realization process. 文章首先分析了试卷的评价指标、各项指标的作用,建立了智能组卷的数学模型;接着论述了通用试题库组卷系统的设计思想及其实现方法并介绍了遗传算法的实现过程。