平移

The query system can implement function as follows, searching of single well curve, searching of multiple well curve, and parallel moving of curve, and adjusting of well, and adjusting of curve, and displaying of graph of single well, and saving documents as the DXF format.

该查询系统所能完成的主要功能有单井曲线查询、多井曲线查询、表格浏览、曲线平移、井位调整、曲线调整、以及将曲线保存为DXF格式的文件。

So this paper selects national debts as our studying objects. By using principal component analysis method to study the zero coupon yield curve, we find that the movement of the curve yield can be simulated by two factors mostly, that is parallel shift and rotation. Then we quantitative them and get "synthetic parallel shift" and "synthetic rotation".

因而，本文选择了国债作为研究对象，对国债的即期收益率曲线进行主成分分析的结果表明，收益率曲线变动的总体方差绝大部分来自于两个因子的贡献，即水平因子和倾斜因子，本文对这两个因子进行量化处理，得到"综合的平移"和"综合的倾斜"，并在此基础上建立了两综合因子法对债券组合的VaR估值模型。

A parallel shift of calibrationcurves due to difference in micro-structure was observed in an arc source but notin a spark source.

用电弧作光源时，观察到组织结构的不同使定标曲线发生平移，用火花光源时这种现象并不显著。

The main contributions include:(1) Energy conservation law of Haar wavelets transform is proved to compress data streams.(2) The relation between the coincidence measure and trend of streams is revealed as along with the invariability under parallel shift and the equivalence law over coincidence measure to approximately express data-streams by the wavelet coefficient of the characteristic stream and its energy.(3) Multi-Scales energy decomposition model is proposed to improve the compression precision.(4) The multi-scales compression algorithm and the energy conservation reconstruction algorithm are designed.(5) Extended experiments show that the compression ratio of the new methods is 2~4 times as the traditional method.

主要研究成果包括：(1)证明了Haar小波变换服从能量守恒规律，并用于压缩数据流；(2)揭示了数据流的偶合度与变化趋势的相关性、偶合度的平移不变性及等价规律，采用特征流序列的小波系数和流能量近似表示流的趋势，达到压缩的目的；(3)提出了多尺度能量分解模型，提高了表示精度；(4)设计了多尺度能量分解压缩算法以及多尺度重构算法；(5)在真实数据集上的实验表明，新方法的压缩比是传统小波方法的2～4倍。

The error compensation is introduced in the interpolation algorithm to increase the interpolation point's solution precision in the cutting direction of the parametric curved surface. The reasonable simplification of the computed result of the interpolation point's parameter value is carried in the operation process by focusing on the character that curvature of slow-varying parametric curved surface changed slowly and the feature that the scanned profile of translational scanned curved surface is parallel along the scanned line.

通过引入误差补偿值以提高参数曲面在走刀方向上插补点的计算精度，针对缓变参数曲面曲率缓变和平移扫描曲面扫描轮廓沿扫描线平行的特点在运算过程中对插补点参数值的计算结果进行合理简化。

An artificial method of constrained coassembling process plan based on VRML model includes setting slide – rotary connection constraint; selecting artificial assembling body model; confirming constraint type of each component to its front or back end component in open or closed loop mechanism; calculating translation and rotary matrix of each component in moving course and its position parameter; generating time – order – path matrix and key frame as per time section; writing each key frame in reverse mode into interpolator of each component VRMC model; adding route in sequence between time and position sensors, position sensor and component form node for generating artificial picture.

本发明属于CAD协同产品设计技术领域，其特征在于：在网络环境下，设计者依托装在节点机上的三维VRML模型，以设计者与设计场景交互方式按照以下步骤实现有约束协同装配工艺规划：设定滑动转动联接约束；选定仿真装配体模型；确定开环或闭环机构中各零部件与它的前端和后端部件的约束类型；计算各零部件在运动过程中的平移和转动矩阵，再根据相应的约束计算运动过程中各零部件的位置参数；再据此生成零部件的时间-顺序-路径矩阵，按时间段形成关键帧；把各关键帧分别以逆序写入VRML各部件模型的插补器，依次在时间传感器和位置传感器之间、位置传感器和零部件造型节点间加入路由，生成仿真画面。

This method exhibits shift-invariance property and can effectively improve Pec (Probability of Correct Classification) and training as well as testing speed.

该方法保证了目标的平移不变性，有效地提高了识别率、训练速度和识别速度，降低了对目标方位估计精度的要求。

A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-14S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels).

利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD 相机和LED 光源构建了测试系统，对测试结果进行研究和讨论，发现了测试系统LED 光斑质心定位系统误差的周期性变化规律，计算得到了基于Flea2-14S3 CCD 相机的光斑质心定位随机误差为0.018 pixels，系统误差为0.06 pixels，总体误差为0.063 pixels(约1/15 pixels)，能够应用于以光斑质心检测为手段的测量系统中。

A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-l4S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels). According to the total error above, this CCD imager can be widely used in many measuring systems which count on facula centroid subpixel detection.

利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD相机和LED光源构建了测试系统，对测试结果进行研究和讨论，发现了测试系统LED光斑质心定位系统误差的周期性变化规律，计算得到了基于Flea2-14S3 CCD相机的光斑质心定位随机误差为0.018pixels，系统误差为0.06pixels，总体误差为0.063pixels（约1/15pixels），能够应用于以光斑质心检测为手段的测量系统中。

The oil permeability and its influence factors in unsaturated petroleum chalk were studied by carrying out some experiments with a specially improved constant-head permeameter where the matrix suction was controlled with axis-translation technique.

利用改进的常水头压力渗透仪对非饱和油田白垩进行了试验研究，试验中采用轴平移技术来控制基质吸力，据以研究非饱和油田白垩的渗透特性及其影响因素。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐