基于...

The main contents of the course include: Traditional ship design method based on empirical classification rules; Modern ship design method based on the first principles approach. Structural loads, loads combinations and loading criteria; Ship structural components configuration and arrangements; Ship initial scantling calculation based on the new rules; Ship total strength assessment including yielding, buckling and ultimate strength analysis.

主要内容包括：基于传统的船级社半经验公式的船舶设计方法；基于第一原理的现代结构设计方法；结构设计载荷，载荷组合和载荷衡准；结构部件选型和布置；基于新规范的结构构件初始尺寸计算；船舶结构整体强度分析，包括：屈服，失稳和终极强度分析。

The block-based fractal image compression method has a low compression ratio, so simple region-based fractal image compression is introduced, then the competitive region-based fractal image compression method is presented. The experimental results show that the compression ratio is effectively improved at a similar PSNR value.

由于基于块的分形图像压缩方法的压缩比不高，对此进行改进，先介绍简单的基于区域的分形图像压缩，然后提出基于区域的竞争分形图像压缩算法，并进行实验，实验结果表明，该方法在保持一定的信噪比的情况下，有效的提高了压缩比。

Currently some different video transmission scehmes have been proposed, such as source-based adaptive rate control, receiver-based simulcast and layered multicast, but these schemes basically follow the traditional network design principles and take end-to-end congestion control and error control mechanisms without the participation of network intermediate nodes, making a series of problems such as session management difficulty, congestion control blindness, feedback explosion, and the difficulty in achieving fairness among different users.

目前对于网络视频传输已出现了各种不同的解决方案，如基于源的自适应速率控制方案和基于接收端的联播、分层多播等视频传输机制，但这些方案基本上都遵循网络设计的传统原则，采取基于端到端的拥塞控制和差错控制机制，而没有网络节点的参与，从而导致会话管理困难、拥塞控制盲目、反馈爆炸等一系列问题，而且难以在用户之间达成公平。

Some new idea and techniquesabout statistic tangent distance, compute tangent vector based on Singular Value Decomposition,the choice of transformation parameters, dimension decrease based on SVD, feature extractionbased on Mahalanobis distance are proposed in the dissertation.

在统计切线距离、基于奇异值分解求解切线向量、变化参数的选择、基于奇异值分解的降维、基于马氏距离的特征选择等方面提出了自己的新方法。

At last, the application of above modeling and control strategies has been demonstrated by the simulations of a nonlinear dc motor control problem. Under this control strategy, system identification phase is not needed, and only a controller based on the recurrent neural network is provided. Because the control and learning laws are designed with stable theory, stability and convergence problems are solved here with rigorous analysis, which can not been analyzed easily when usual BP neural networks are used.

最后通过非线性电机模型的仿真研究，表明了基于上述动态动态递归神经网络模型对非线性系统进行自适应控制的实际可行性，并且采用这种方法不需要对系统进行离线辨识，整个系统只采用了一个基于动态递归神经网络的控制器，由于整个系统是基于稳定性理论设计的，有效地解决了应用BP网络等其它前向网络时系统的稳定性和收敛性难以分析的问题。

Second, for removing the influence, we develop the least squares method based on the stereographic projection implemented on a three-dimensional plane. It is described by the expressions:(4.35挆4.39). This method resolves some problem in Multi-sensor alignment on the same platform when the attitude errors are relatively small.

其次为了克服基于二维区域性平面中立体投影所产生的影响，本文推导了基于三维立体投影的最小二乘配准算法，其实现过程见式4.35～4.39，在传感器姿势误差较小的情况下，此算法解决了基于同一平台的多传感器配准中存在的问题。

On the basis of structural reliability, a evaluating model for existing engineering structures is proposed, two methods to determine the important coefficient of the model are studied, that are a determining method based on subjective probability and another determining method of relative weight based on AHP.

文中提出了基于可靠度的在役工程结构可靠性评估模型，研究了其中重要性系数的两种确定方法，即基于主观概率的确定方法和基于层次分析法的相对权重的确定方法。

It introduces the way for knowledge expression in subjective probability terms and makes a further discussion on the significance and methods of horizontal dimensionality and vertical dimensionality of organization knowledge in subjective probability terms.

提出基于心理学的知识定义，分析知识的信念特征；给出基于主观概率表征知识的方法；深入探讨基于主观概率的组织知识的纵向维度分析和横向维度分析的意义及其表征方法。

Firstly, the performances of linear and nonlinear algorithms based on interference estimator/subtracter are compared. Secondly, a novel interference suppression algorithm based on subspace tracking is proposed for the tone interference model. Finally, the stability performance of the transform domain normalized least mean square adaptively implementing structure of minimum bit error ratio receiver is analyzed.

总结和比较了基于AR干扰模型的各种干扰估计抵消算法性能；从音调干扰模型出发，提出一种新的基于子空间跟踪的时域干扰抑制技术；讨论了基于低速数字干扰等效"虚拟"多用户干扰模型的最小误码率接收机的变换域归一化最小均方自适应实现结构及其稳态性能。

Combining the shortcoming of multi-objective evolutionary algorithm based on the idea of objective space dividing with high calculation complexicity, this paper proposed an improved new algorithm which processed following characters: transforming the dominance relationship among individuals' Pareto to the rank relationship of sum index of interval in dividing space; simple and efficient environmental choosing method based on index ranking; an individual crowding algorithm which rapidly choosing the nearest to origin.

针对现有基于目标空间分割思想的进化算法计算时间复杂度高的缺陷，提出了一种改进的基于目标空间分割的多目标进化算法。该算法具有以下特点：把个体之间的Pareto支配关系转换成分割区间索引值排序关系的目标空间分割算法；简单高效的基于区间索引值排序的环境选择算子；一种快速的优先选择最接近分割区间原点的个体拥挤机制。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。