模型作者

A important result is the one-order expression of AR Yt = DYt-1 + E, from paralleling a high-order differential equation transformation into a one-order differential equation system, the one-order expression exposes that the AR is only a certain more-multivariable power series processAnd, if a process is described as an AR, the sufficient and necessary condition is the spectrum norm A of the coefficient matrix D less than one.

作者用高阶微分方程化一阶微分方程组的方法，获得多元弱平稳序列p阶自回归模型的一步滑动平均表达式，证明了AR的是一个更高维的幂级数的线性过程，从而，说明了AR关于序列依概率成立的充要条件是：该模型更高维的幂级数的线性过程的表达式中系数矩阵D的谱范数λ＜1。

The new method is given to design the optimum profile modification curve design The effects of optimum profile gear in improving the dynamic performance of gear transmission are verified in the Gear Dynamic Performance Test Rig In this dissertation, the main study contents and creative results are shown as following: The influences on the gear transmission system caused by the gear's accumulated error (periodic error and harmonic error) are theoretically studied. A new method is developed to simulate the gear's harmonic error by using the 2-order MARKOV process A simulated model of the dynamic performance which is excited by the gear's accumulated error is obtained.

本文在前人大量研究的基础上，结合作者承担的国家自然科学基金项目"齿轮传动动态系统辨识与三维修形研究"和山东省自然科学基金项目"齿轮传动动态性能仿真及结构参数、齿形的优化修形"，采用理论和试验相结合的新思路，系统地研究了齿轮传动的动态性能，建立了能正确描述齿轮传动系统动态性能的仿真模型和系统辨识模型，给出了确定齿轮传动轮齿修形曲线的优化设计方法，利用自行研制的齿轮传动动态性能试验装置，验证了优化修形齿轮对提高齿轮传动动态性能的突出作用。

First, an extended rough set model based on valued tolerance relation and prior probability obtained out of incomplete information system is founded. Then, as a part of the model, the attribute reduction of incomplete information system and the corresponding discernibility matrix are proposed, and the attribute reduction is obtained by the normal form transform.

作者首先从扩展粗集理论适应范围的角度出发，引入信息系统对象的先验概率，结合量化相容关系的思想，提出基于先验概率的相容关系模型，然后以该模型为基础研究了不完备信息系统的属性约简，通过严格的数学证明，得到基于分辨矩阵的属性约简算法。

Except for runoff yield model, all of them are first proposed in this paper.

其中，除产流模型外，均为作者新建立的模型。

In viewing of accelerating animation rendering technique, this paper includes three parts of the author's work. First, the paper summaries an accelerating rendering method using frame-to-frame coherence. The paper also introduces an accelerating algorithm of span scanline tracing animation rendering as one implementation of the method.

在加速动画绘制方面，本文从以下几个方面介绍了作者的工作：第一，对利用动画帧间相关性加速动画绘制的方法作了讨论，总结了一种基于帧相关性加速绘制算法模型，并以跨距扫描线跟踪算法为例介绍了模型的使用。

The research on rolling force prediction for cold rolled thin plate by a mixed friction model including stick and slip frictions was carried out, and a new rolling force prediction model was obtained.

作者采用包括粘着摩擦和滑动摩擦在内的混合摩擦模型，研究了冷轧薄板轧制力预报问题，建立了轧制力预报新模型。

The theory and methods of time series analysis, in this paper, were used to develop the quantitative predicting models for pesticide reminds. The estimation of parameters were given out.

作者用时间序列分析的理论与方法，研制农药残留定量预测模型，给出参数估计，提出非平稳时序叠合模型，对农药降解规律进行动态模拟，并以剩余平方和作为优化标准与其他方法进行比较。

On the base of primary unit mode which is supplied by FLAC-3D, the program sets up FLAC tiny unit model according to the net data mode, then generates the model data file phase match the FLAC-3D though identifying mode.

针对FLAC-3D不能直接建立几何模型的特点，作者开发了一个数据前处理程序，可以自动生成与FLAC-3D相匹配的模型数据文件。

In the towing tank, the calm water resistance experiment of SWATH model ASW-2 with canted struts has been conducted and researched. And based on the above-mentioned work, the method is also adapted to cope with the calculation of wave resistances for both vertical and canted-strut SWATHs. It is shown that the theoretical calculation results agree well with the test results. Compared with some other materials about SWATH, the results in this thesis show better agreement.

作者在船模水池进行了斜支柱SWATH的静水阻力试验研究，并在前面工作的基础上，通过对理论模型的扩展，提出了直/斜支柱SWATH兴波阻力的理论模型和相应的数值计算方法，理论计算与试验结果吻合良好，与所见到的一些SWATH船型的计算资料相比，具有更好的符合程度。

In order to keep the compatibility of multi-modems, If the designer change the geometry model, this work must be isochronously carried to others on the time.

设计者对几何模型的造型修改操作也必须同步传输给其他协作者，以保证多个复制模型的一致性。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。