非线性问题

The numerical algorithm based on theories of projecting and Laguerre,such as homology,circular points and ω of absolute conic is established,an iterative elimination method is applied to boost the nonlinear problem solving.

通过调和射影及Laguerre定理的推论求解出平面圆环点的共轭虚像，利用平行六面体照片存在的三对圆环点的虚像，构造对无穷远平面绝对二次曲线的像ω的约束，使用辗转相除法求解非线性问题。

The adaptive learning of neural network can fulfill the minimum absolute deviation criteria, so this dissertation puts forward the algorithm that can be implemented by the neural network.

利用神经网络的自适应学习特性和在处理非线性问题时能够满足最小绝对偏差准则的性质，给出了该算法的神经网络实现方法。

Up to now, only a few papers consider singular differential equations in abstract space.

增算子不动点理论以及建立在其基础之的上下解方法是研究各种非线性问题时经常使用的基本方法之一。

The incremental equilibrium formulation and its equivalent iterative equation of the constant average acceleration Newmark method are deduced.

提出了增量形式Newmark法的等效迭代格式，该等效格式求解分缝拱坝非线性问题简便可行。

In order to solve this problem,the genetic algorithm is applied to fit the spherical model variational function,because the genetic algorithm is a robust method for search for the optimum solution to the complex problems.

为解决这一问题，结合遗传算法原理，充分利用遗传算法在求解非线性问题时具有全局寻优的特点，拟合出球状模型的理论变异函数参数，并以小湾水电站左岸堆积体边坡的变形监测数据为例进行了计算。

Compared to optimization/statistical methods, POCS has a unique framework and could handle nonlinear problems, which makes it very successful in image restoration and image sequence superresolution problems.

凸集投影算法(projection onto convex sets， POCS)是求解这一类问题的强有力的工具，与基于最优化/统计的方法相比，凸集投影算法可以处理非线性问题，并且有统一的理论框架。

The first chapter presents a comprehensive study of nonholonomic dynamics. They are studied that the nonlinear problem and un-determinate problem of virtual displacement in nonholonomic system in the second chapter. In chapter 3, they are studied that Chetaev model and Vacco model in nonholonomic system.

第一章对非完整动力学研究的有关现状进行了综合评述；第二章研究了非完整系统虚位移关系的不定性问题与非线性问题；第三章比较研究了一般非完整系统的Chetaev模型和Vacco模型；第四章研究了本质线性非完整系统的Hamilton原理；第五章给出了本文的结论与有关研究的展望。

Moreover, a vibration isolation scheme based on H control is shown, and a vibration control problem due to a single frequency disturbance is solved analogically by using disturbance observer.

给出了LQG/H〓控制方法在实际应用中的诸多发展和改进形式，它们分别是用于处理存在噪声和模型扰动问题的基于ERA的LQG控制方法，预测控制方法，能够简化控制器设计及其降阶处理的平衡的LQG控制方法，以及非线性问题的神经网络控制方法。

Petroleum geological problems are essentially non-linear, which occur to be heterogeneous and anis...

石油地质问题实际上是一系列的非线性问题，具体表现为地层的非均质性和各向异性。

Based on pole model of lathe, thickness of side-board is treated as design parameter. This problem becomes a nonlinear problem, but it may become a linear problem using method of differential coefficient. Through method of calculating energy of sub-structure, thinking of each board separately, so getting final results rapidly.

以机床立柱模型为例，将模型的侧板板厚作为设计参数，并运用微分近似的方法，将非线性问题简化为线性问题求解，推导出了适用于板结构设计的计算公式，并通过计算子结构能量的方法，将每块侧板分开来考虑，降低了对计算机处理能力的要求，从而快速得到最终结果。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。