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local map
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  局部映射
     A local map is presented for n-dimensional nonlinear dynamical systems with rigid constraints.
     对具有刚性约束的n维非线性动力系统进行研究,建立了该类系统在刚性约束附近的局部映射关系.
短句来源
     Based on a simple infinite dimensional electromagnetic system consisting of a linear lossless transmission line in combination with a nonlinear boundary condition,the local map of backward voltage wave is established by using the traveling wave theory.
     对于一个由线性无损传输线加非线性边界条件组成的简单无穷维电磁系统,应用行波理论确定了电压反射波的局部映射关系.
短句来源
     THE LOCAL MAP METHOD FOR NON-SMOOTH DYNAMICAL SYSTEMS WITH RIGID CONSTRAINTS
     具有刚性约束的非线性动力系统的局部映射方法
短句来源
     The analytical formula of the Jacobian matrix of local map is obtained and proven by geometrical method according to the continuity and transversality condition.
     又根据连续性和横截性条件,通过几何方法推导并证明了局部映射的Jacobi矩阵的解析式.
短句来源
     Next we are concerned with the existence of quasi-periodic breathers for the coupled map lattices:where the local map f is the delayed Logistic map.
     其次我们考虑局部映射f_μ为时滞Logistic映射的耦合格点映射:
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  局部图
     Based on the concept of Local map, the algorithm tries to update as few nodes as possible to reduce cost.
     算法使用了局部图的思想,使每次迭代更新尽量少的节点来减少代价。
短句来源
  “local map”译为未确定词的双语例句
     In this paper the authors analyze the way of designing the Hamilton net and non Hamilton net protection ring as well as its improvement scheme—a protection ring based on Local map.
     分析了怎样在哈密顿网和非哈密顿格形网中设计保护环及其改进方案——基于 L ocal- map的保护环。
短句来源
     This algorithm based on the basic of image registration, for the redundancy high-resolution component between the low-resolution frames, the high frequency was distilled through the local MAP estimation. By compensating the high-frequency component, the high-resolution images are recovered. This algorithm solved the problems in traditional methods that the translation and rotation should not be too large.
     本文的主要工作是实现了一种针对多帧图像之间相对运动较大情况下的高分辨率重构方法,这种方法是在图像配准的基础上,针对低分辨率图像帧之间存在互补的冗余高频细节信息,通过局部MAP估计,提取高频成分,并补偿到估计的高分辨率图像中,经过反复迭代,实现对低分辨率图像的重构,克服了传统的图像重构算法中平移量和旋转角度不能太大的问题。
短句来源
     A hierarchical structured feature matching method is proposed, which is utilized in the matching between the global map and the local map, the method is implemented and verified by the experiment result.
     本文提出了一种分层的结构化特征匹配方法,利用该方法实现了月面航拍地图和局部地图之间的匹配,试验结果表明了该方法的有效性。
短句来源
     ln this paper, effOrts are focused on the researches of some pivotal technologies of the vision-based navigation of outdoor mobile robots such as: road scene understanding, stereo-vision forobstacle detection, and tl1e generation and fusion of local map.
     本文主要研究了基于计算机视觉的移动机器人导航的一些关键技术:比如道路图象理解、立体视觉障碍物检测、以及局部地图的生成和融合。
短句来源
     It is also used to extract environment land feature and build local map that consist of trees beside road.
     提取环境路标特征,构建由道路两侧大树组成的局部环境地图。
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  local map
We prove that the scaling properly ties of the local map carry to the coupled systems, with an additional scaling factor of length scales implied by the synchronous updating of these dynamical systems.
      
We consider the (traveling-wave-like) fronts which propagate with rational velocityp/q in a simple coupled map lattice for which the local map has two stable fixed points.
      
The reduction scheme replaces the local map by an approximation in terms of a step function based on a straightforward analysis of the local dynamics.
      
A case study illustrates the generation of alternative land cover maps for a Landsat Thematic Mapper (TM) subscene, and the subsequent construction of local map quality indices.
      
A?local map is maintained using available sensor data, and adjacent objects are combined as they are observed.
      
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The purpose of this paper is to provide a theoretical model of tidat strain ror practical application. This model consists of two parts, i.e., body tidal strain as a consequence of the attraction by the sun and the moon and loading tidal strain caused by the action of ocean tides. For the former, in order to save computation time, we start from Wahr's tidal model, but make a few simplications, so that the components of strain tensor can be obtained from the tide-generating potential directly. As to the latter,...

The purpose of this paper is to provide a theoretical model of tidat strain ror practical application. This model consists of two parts, i.e., body tidal strain as a consequence of the attraction by the sun and the moon and loading tidal strain caused by the action of ocean tides. For the former, in order to save computation time, we start from Wahr's tidal model, but make a few simplications, so that the components of strain tensor can be obtained from the tide-generating potential directly. As to the latter, the effects of four main ocean tides, i.e., M2, S2, O1, K1, are taken into consideration. The eotidal maps used are Schwiderski's global maps associated with the local maps of China Sea.

本文的目的是建立一潮汐应变的理论模型,以供使用。模型由两方面组成,即日月引力导致的体潮应变及海洋负荷作用产生的负荷潮汐应变。前者,我们从 wahr 的潮汐模型出发,进行适当简化,从引潮位直接算出各应变分量,以提高计算速度;后者,我们使用了 M_2,S_2,O_1及 K_1四个主要海洋潮波的迭加,海图采用了 Schwiderski 的大洋图并顾及我国的局部潮图。

This paper mainly deals with the single grazing impact phenomenon of the rub-impactrotor system by using the method of Poincare map analysis. As we know, rub-impacts of rotorsystems are always suddenly occurring and hardly predictable. The recent research indicates thatthe rub-impacts are intimately related to a phenomenon called grazing impact, which is in facta critical rub-impact when the rotor touches the stator with very low radial velocity that nearlyequals 0. of cause, it is quit difficult to set up a...

This paper mainly deals with the single grazing impact phenomenon of the rub-impactrotor system by using the method of Poincare map analysis. As we know, rub-impacts of rotorsystems are always suddenly occurring and hardly predictable. The recent research indicates thatthe rub-impacts are intimately related to a phenomenon called grazing impact, which is in facta critical rub-impact when the rotor touches the stator with very low radial velocity that nearlyequals 0. of cause, it is quit difficult to set up a theoretical system for the general case of rubimpact, which includes the single impact, the multiple impacts and the wholly whirling.impact.But it is somehow an easily thing to investigate the motions of the rotor system with the singleimpact since the rotor touches the stator only once a period. Now, a certain trajectory (grazingorbit) is chosen and a local map is constructed near the trajectory. Then the local dynamicalbehavior can be obtained by study of the map. Because of the discontinuity of stickness in the rub-impact rotor system, the flow in the phasespace is not smooth and even discontinuous. Those common measures for the smooth dynamicalsystems, such as the method of central manifold and linearizing of the system ill the neighborhoodof the fixed point, become invalid. However, enlightened by the significant work of S. W. Shawand A. B. Nordmark, the method concerned in the non-smooth dynamic system of single degreeof freedom is successfully applied to the rub-impact rotor of two degrees of freedom in this paper.And some special dealments including the theory of limits for sequences and singular analysis areused to determine the stability of the fixed point of the Poincare map, and also the attracted regionis found for the fixed point.A further study gives the interesting result of the grazing bifurcation for the non-smoothdynamical system. It is turned out that the appearance of grazing impact causes the uncertaintyto the motion of the rotor system and changes its stability. It may be the stable periodic motionbefore the grazing impact, but if the grazing impact occurs, the stability of the motion can beeither stable or unstable. Soon after that, chaos will follow it. The essence of this phenomenonis just because of the non-smooth characteristic of the system. That is, the grabing bifurcationcauses the square root singularity in the impact map whiCh makes the Jacobian of the map nosense as rotor touches the stator with zero radial velocity. When the motion of the rotor systemis near the grazing impact, it experiences stable periodic motions, grazing bifurcation to irregularrub-impact motions with the variation of the system parameters.

通过建立转子系统碰摩的Poincare映射,将对非光滑碰摩系统的研究转化为对Poincare映射的分析.文中主要对转子碰摩当中一类特殊的运动形式──单点碰摩下的擦边现象进行了详细研究.从序列的极限理论出发分析了该映射的周期不动点的稳定性及其吸引域:得到了转子系统在接近擦边运动时解随系统参数变化的分岔情形.

Based on the Volterra expansion of nonlinear dynamical system functions and the deterministic and nonlinear characterization of the chaotic signals,an adaptive higher\|order nonlinear Fourier infrared(HONFIR)filter is proposed to make prediction of chaotic time series.The time domain orthogonal algorithm is taken to update filter's coefficients.A higher\|order nonlinear adaptive filtering scheme is suggested in order to track current chaotic trajectory by using preceding predictive error for adjustign filter...

Based on the Volterra expansion of nonlinear dynamical system functions and the deterministic and nonlinear characterization of the chaotic signals,an adaptive higher\|order nonlinear Fourier infrared(HONFIR)filter is proposed to make prediction of chaotic time series.The time domain orthogonal algorithm is taken to update filter's coefficients.A higher\|order nonlinear adaptive filtering scheme is suggested in order to track current chaotic trajectory by using preceding predictive error for adjustign filter parameters rather than approximating global or local map of chaotic series.Experimental results show that:(1)this adaptive HONFIR filter can be successfully used to predict hyperchaotic time series;(2)the prediction capacities of the HONFIR filter is related to its nonlinear function,but not determined by the HONFIR filter's degree of nonlinearity;(3)the adaptive prediction performance of the HONFIR filter is not confined by the Takens embedding dimension;(4)the proposed HONFIR filter can have some anti\|noise ability.

根据混沌序列产生的确定性和非线性机制 ,基于Volterra级数展式和混沌序列高阶奇异谱特征 ,提出了一种高阶非线性傅里叶红外 (HONFIR)滤波预测模型用于混沌时间序列的自适应预测 .其自适应算法采用时域正交算法来自适应地跟踪混沌的运动轨迹 ,而不是重构混沌系统的全局或局部运动轨迹 .实验研究表明 :(1)这种HONFIR自适应滤波器能够有效地预测一些超混沌序列 .(2 )预测混沌序列的性能与预测模型的非线性拟合能力有关 ,但并非非线性程度越高 ,预测性能就越好 .(3)当HONFIR滤波器对混沌序列的非线性拟合精度高时 ,其自适应预测的性能与其输入维数的关系不受Takens嵌入定理的约束 .(4)HONFIR自适应滤波器具有一定的抗噪能力 .

 
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