本文重点研究了如何利用图像的边缘结构信息和微分结构信息进行变化检测。
This paper focuses on how to develop change detection methods based on the edge structure information and differential structure information.
图像的微分结构信息是图像结构的一种重要表示方法，可用微分不变量进行描述。
The image differential structure information, which can be described by using the differential invariants, is an important method to characterize the image structure information.
这种控制器的设计结合了微分几何理论及变结构控制理论。
Design of these controllers combines the differential geometry theory with the variable structure control theory.
介绍了ADV微分浮阀塔盘的结构特点及其在常压蒸馏装置中的工业应用情况。
The structure features of ADV differential floating tray are described together with its application in atmospheric distillation unit.
建立了大型浮体结构考虑风浪和爆炸载荷作用的大幅横摇运动随机微分方程；
The large-amplitude rolling random differential equation has been founded of floating structure subjected to wind-wave and explosive loading.
根据下三角系统的结构特点，将系统每个微分方程中的高阶状态用作虚拟控制进行设计，通过循环设计最终得到系统控制所需要的控制策略。
Owing to the character of structure of lower-triangular system, the high-rank state of each differential equation is used as virtual control, then the control law is constructed by recursive design.
主要介绍了变结构控制、反馈线性化的微分几何方法、逆系统方法、直接反馈线性化等方法的基本思想和基本问题。
The idea and basic problem in variable structure control, differential geometry method on feedback linearization , inverse system method, direct feedback linearization method are mainly described.
该方法把结构振动的微分方程转化为振幅与频率的代数方程，并给出了流体力系数的经验公式。
The method transfers the structural vibration differential equations into algebraic equations and the empirical formulae about fluid force coefficients is put forward.
将偏微分控制方程化为三次代数方程，获得结构内力的精确解。
After partial differential equations was changed into cubic algebraic equation, accurate solution of the structure was able to be obtained.
本文给出了一个预报波浪诱导的船舶垂向运动和结构总体动响应的非线性时域水弹性力学微分分析法。
This paper presents a nonlinear hydroelastic differential analysis method of wave-induced vertical motions and structural responses of ships.
本文考虑悬吊结构周边变形的影响，推导出了悬索桥扭转的基本微分方程。
The effects of the transverse distorsion of suspended structures are considered in this paper, and fundamental differential equation of torsion for suspension bridges is derived.
结合微分几何的曲线论和分布荷载作用下索的受力模型，研究了索膜结构中边索、脊索和谷索的受力分析和形状分析。
Combined the curve theory of differential geometry and the cable model applied distributed load, form analysis and tension analysis of boundary cable, ridge cable and valley cable were performed.
本文将微分方程反问题理论应用于结构故障诊断。
The theory of inverse problems of a partial differential equation is used for the structure fault diagnosis in this paper.
本文建立了微分进化算法的支持向量机模型，有效地解决了产业结构趋势预测问题。
Support vector machine based on differential evolution algorithm is introduced to resolve this problem in this paper.
通过X射线衍射、拉曼散射、原子力显微分析(afm)等表征方法研究薄膜结构与生长条件的关系。
The relationship between thin films structure and preparation parameters was studied by X-ray diffraction, Raman scattering and AFM.
仿真结果表明，用本文提出的简化模型能较好地逼近基于偏微分方程的严格模型，且结构简单，易于应用。
Simulation results show that the simplified model provided by this method can satisfactorily imitate rigorous model in addition to its simple structure and feasibility for on line applications.
本文给出各种纤维丛微分几何结构的一个统一处理，首先引进了一个新定义；
The main purpose of this paper is to give a united treatment of the structure of differential geometry of various fiber bundles.
用自洽场全略微分晶体轨道法对聚茚并茚及其取代衍生物的电子结构进行了计算研究，探讨了取代基效应。
The electronic structures of polyindenoindenes (PInIn) and their derivatives have been studied by self - consistent - field crystal orbital method. The substituent effect is also discussed.
用此模型建立裂纹梁运动控制微分方程，这样，对于含裂纹结构可采用与无裂纹时同样的分析方法。
Differential equation of motion control of the cracked beam is set up using this model, so that the same analytical methods are applied as crack-free structure for the cracked.
第4章主要解决了齿面的参数化和微分几何结构分析问题，它是实现三阶接触分析理论的基础。
Chapter 4 mainly solved the problems of tooth flank parameterization and the analysis of differential geometric structure, which is the theoretical basis to implement the third order contact analysis.
通过岩相显微分析确定了炉尘中未消耗煤粉和焦炭存在的不同结构形态。
The structure of unconsumed pulverized coal is different from that of coke according to petrographical microanalysis.
随后针对冷却塔这个特殊结构，把微分方程进行了简化，并且采用幂级数解法解答出自振微分方程。
Then this paper simplified the differential eguation contraposing the cooling tower which is a special structure, and adopted the power series method to solve the differential eguation.
求解有阻尼多自由度结构系统的振动微分方程，实模态分析法是得到广泛应用的一种有效方法。
The dynamic response of the damping multi-DOF structural system is usually calculated by the real modal analysis method.
采用无条件稳定的精细逐步积分法求解结构的模态动力学微分方程，构造了通过结构的模态响应反求荷载列阵的迭代算法。
The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure nd a dynamic load identification method by the modal responses is proposed.
给出了一种结构简单、性能优良的微分电路，并提出了用该电路实现的电流模式跳耦结构高通滤波器。
A current mode high pass filter based on a differential circuit having simple and leap frog structure with excellent performance is proposed.
在标准型双线性比例变结构系统循环进位控制的基础上，研究这种系统的比例—微分变结构控制。
On the basis of cyclic carry control of variable structure system with standard bilinear proportion a variable structure with bilinear proportion differentiation is studied.
在极大值函数的有效域为非空凸集的条件下研究了次微分，并给出它的结构表达式。
And the expression of its subdifferential is developed in the case that the effective domain of the sup-type function is a non-empty convex set.
推导出了一个适用于槽板结构压膜空气阻尼的微分方程。
A differential equation for calculating squeeze-film air damping in slotted plates is developed by modifying the Reynolds equation.
标准奇异点是微分代数方程系统区别于常微分方程系统的一个标志性的拓扑结构，具有重要的理论研究意义。
The standard singular point is an important structure of the differential-algebraic equation systems(DAEs), by which DAEs are differentiated from the ordinary different equation systems (ODEs).
标准奇异点是微分代数方程系统区别于常微分方程系统的一个标志性的拓扑结构，具有重要的理论研究意义。
The standard singular point is an important structure of the differential-algebraic equation systems(DAEs), by which DAEs are differentiated from the ordinary different equation systems (ODEs).
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