中间计算

In this paper, the stray light and ghost image caused by multi-reflection in high power infrared optical systems are analyzed and discussed, and the comprehensive method incorporating paraxial approximation and real ray trace is presented; the data structure of binary tree is used in the storage of interdata so that the storage problem of huge-size data is resolved.

本文主要研究了大功率红外光学系统中光学表面多重反射而形成的杂散光及其数学模型与计算方法，提出了将近轴近似法和有限光线追迹法相结合的综合分析方法；同时在数据存储方式上采用二叉树这种数据结构，巧妙地解决了鬼像分析中海量的中间数据存储的问题。

In this paper, by projecting onto right image plane the intermediate images composited from the images on successive slicing planes, while rendering the left image based on a series of parallel slicing planes [Yage96] , the computation of composition in rendering the right image can be reduced, and the efficiency of stereoscopic rendering can be improved.

为此，本文在采用基于一组平行切割平面的体绘制方法生成左视图的过程中[Yage96]，通过将连续若干层切割平面上的中间采样图像先进行合成，将合成后的结果再投影到右图像平面上，从而减少右视图生成过程中对图像合成的计算量，提高立体绘制效率。

These values are generally in good agreement with the proper motion velocities.

利用这些值并假设散射屏处在近似脉冲星和地球的中间，我们计算了7颗脉冲星的横向速度，这些值和自行速度吻合的很好。

A positive and negative projection method of object to be tested based on universal pattern display card includes using 3D texture to present rebuilt body data of object to be tested, calculating out directional vector array of ray outgoing point to detectors, storing said vector array into pattern display card to form directional vector texture, rotating directional vector texture and directional vector around rotary shaft to realize once of positive projection course on any projective angle, using 3D texture index technique to let virtual slab set position be not limited any more in negative projection course.

本发明属于投影探测与成像技术领域，其特点在于该方法含有以下步骤：把被测物体的重建体数据用三维纹理存储表示；预先计算射线出射点至平面探测器上个探测器之间的方向向量数组，并存储到通用图形显示卡中形成方向向量纹理；利用方向向量纹理与方向向量绕旋转轴旋转来实现任一投影角度的正投影过程的一次完成，无中间结果转存；在反投影过程中，利用三维纹理索引技术使虚拟切片组的放置位置不再受到限制。

Firstly,using the method of concentrate mass this paper establish a non-linear dynamics model of a two-stage gear train with backlashe between the gear pair,and through analysed the dynamics model,the torsional motion differential equations are got , on this basis,then calculate the torsional motion differential equations using Runge—Kutta method ,and discuss how to influence the dynamics characteristic of system when these parameters chage such as mesh frequentcies、 stiffness of the intermediate shaft、the ration of mesh frequentcies.and discuss when the chaos will happen under the change of these parameters.

首先用集中质量法建立系统的含间隙的非线性动力学模型，并根据牛顿力学定理，得到系统的运动微分方程。然后对所建立的运动微分方程运用四阶变步长Runge—Kutta方法进行了求解，并对计算结果进行分析，研究了齿轮啮合频率、中间联接轴的刚度，一、二级齿轮的啮合频率比等参数变化时，对系统非线性动力学特性的影响规律，并讨论了当参数如何变化时会导致系统的混沌响应的出现。

In the belt grinding for cam a method of by adding medial mechanism to avoid direct contacting of conjugate cam and sand belt so as to prolong conjugate cam's life is put forward in this paper which can solve the problem that conjugate cam is easy to wear.

根据凸轮砂带磨削技术中共轭轮易磨损的情况，提出了一种增加中间摆动机构，避免共轭轮与砂带直接接触，从而增加共轭轮工作寿命的方法，并给出了该机构共轭轮廓形计算的方法。

The result shows that lime consumption, quantity of slag, and Fe loss exist the best point with the increase of semisteel and decline along with the increase of deslagging quantity.

计算结果发现，总石灰消耗、总渣量、铁吹损量随半钢中磷的增加存在最小值，且随中间倒渣量的增加而减小。

Firstly, the key frames are created by the methods of inverse kinematics. Then, the internal key frames are computed by the interpolation of spline curve and spherical linear.

首先使用逆运动学方法求出关键状态，然后使用样条插值和四元数球状线性插值方法计算中间状态，完成跑步的过程。

More and more practical data in sensor network、communication、Internet flow analysis and Web log etc, are transported from teledata sources. Therefore, we need to construct the middleware of distributed query processing for data streams to support above application.P2P technique is used to build a huge distributed network for the processing of large number of information by internet terminals.

现有的数据流的研究主要为集中式的流数据系统，而数据流的本质是分布式的，越来越多如传感器网络、数据通讯、Internet流量分析和Web日志等的大量数据都来自不同的远程数据源，因此，需要构建分布式数据流查询处理的中间件以支持上述各种应用。P2P技术利用互联网的终端机来建立一个庞大的分布式计算网络，并对迅速涌出的大量信息进行处理。

It considers the average departure degree of the peers giving feedback as their distance's ruler.To those peers having no common partners,it uses triangle inequality to calculate their global average departure degree through their trust path built by other peers.Then it finishes the trust transfer and can combine the peer's direct experience and indirect experience together.

该方法利用平均偏离度作为评价者之间距离度量的尺度，对两个没有共同交互伙伴的评价者，以其他评价者为中间节点构造信任路径，并利用三角不等式计算二者之间的全局平均偏离度，从而进行直接经验与间接经验的融合，实现信任传递。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。