查询词典 analytical curve

In the range from 0 to 25MPa, the linear degree of pressure-cavity length curve is 0.99996 and the sensitivity is 2nm/MPa . The temperature dependence effect of this sensor is small. In the temperature range from 22℃ to 200℃, the temperature sensitivity of the F-P cavity is about 0.03nm/℃.

实验结果表明，本文设计的微型EFPI光纤压力传感器性能良好，在0～25MPa范围内，压力—腔长关系曲线的线性度达0.99996，腔长一压力灵敏度为2nm/MPa；该传感器温度敏感性小，在22～200℃的温度范围内，腔长的温度敏感性约为0.03nm/℃。

In this paper, guidelines for route alignment and engineering requirement are taken into account, and the length of transaction curve are studied based on vehicle movement dynamics, and some advised parameters are proposed for maglev route alignment. The results provide theoretic foundation to further study maglev route alignment guidelines.

本文在研究德国技术资料基础上，结合我国实际情况，应用行驶动力学理论，考虑工程技术条件，对平、竖缓和曲线长度及参数匹配关系进行了量化研究，得到了一系列结合线路条件的合理匹配取值，可为完善高速磁浮线路设计标准提供理论依据。

The results are the following: When calculating the motion mass, it is better to use idler's equivalent mass instead of the rotating part mass and serial idler's rotating inertias and equivalent mass are calculated. The accurate analysis result for the deflection curve length of the belt shows: The error calculated by the approximate parabola length is lower than 10〓. Thus the approximate method is accurate enough for calculation. The relations between the running resistances coefficient and the belt velocity are studied by experiment, which are the bases for calculating the linear coefficient values between them.

得出：在计算参与运动质量时对托辊应采用托辊的等效质量而不是目前采用的托辊旋转部分质量，并计算出了系列的托辊转动惯量和等效质量；对输送带的挠曲线长度进行了精确的分析，结果表明：采用近似的抛物线长度计算方法其误差在10〓以下，因而得到在计算输送带挠曲线长度时采用近似的抛物线具有足够的精度；对输送机运行阻力系数与带速间的关系进行的实验研究，得出阻力系数与带速线性关糸的系数值。

The theories of multi member function"s extremity value, Hooke Jeeves mode searching method solving wholly complex problem of extremity value and uniformity design method, one new and efficient method to choose test point, are applied to establish the two-dimension oil well orbit optimized model. The shortest length of oil well orbit curve is regarded as this model"s object and all kinds of effecting parameters are analyzed.

通过引入多元函数极值理论、求解复杂极值问题的HookeJeeves模式搜索法及一种较为新颖和高效的试验点选择方法：均匀设计法，建立以最短油井轨迹曲线长为目标的二维油井轨道优化设计模型，并对影响井轨迹曲线的参数进行了较为详细的分析。

By projecting 3D models into 1D smooth principal curves, equally segmentation and sampling along the length of curve are implemented to extract shape feature vectors, then one can retrieve 3D model according to the matching result of shape feature vectors of 1D manifold.

本文将三维网格模型，投影为三维的光顺主曲线；通过对主曲线沿弧长方向的均匀分割采样，提取主曲线的空间位置和姿态等形状特征；最后通过形状描述向量的比较实现了对应的三维模型检索。

We calculate the regression curve about length of erased magnetic record and lightning current peak. We analyze the error of recording data and find a new means about direct measurement of the max lightning steepness with magnetic tapes.

作出磁带消磁长度与霄电流峰值的拟合曲线，对测量数据进行误差分析，找到利用磁带直接测量雳电流最大陡度的新方洁。

For the image with random field feature, the description language is probability distribution model, and the description length equals the negative base-two logarithm of the probability of the image data; For the region homogeneity properties of active contour, the description language is chosen as a sign gradient map, and the description length is the summation of sign gradient inside the active contour; For the active contour regularity, the description language is smoothness, and the corresponding description length is the length of active contour curve.

随机场图像的描述语言采用概率分布模型，描述长度是围道内外区域中图像数据概率的以2为底对数的负数；活动围道区域一致性的描述语言为有符号的梯度图，描述长度是围道内区域有符号梯度的总和；围道形态的描述语言采用平滑性，描述长度正比于围道的长度。

The design of the 3-dimensional trajectory in horizontal wells is an optimal control system where the state variables are azimuth, inclination and the control variables are radius, tool-face angle and length of curve.

水平井三维轨道设计是以方位角、井斜角为状态变量，以曲线半径、装置角、曲线段长为控制变量，以入靶精度等为性能指标的非线性多阶段最优控制系统。

In the paper, on the basis of aggregation of previous studies, the development of optical technology and development trends at home and abroad are introduced, the principle of Fresnel lens is summarized. In accordance with its principle, circle equidistant steps Fresnel lens design is described. And on this basis, based on Fresnel design, also based on a continuous upward spiral of the plane curve concept, incidence surface and the backlight is set up to greet Archimedes - Fresnel lens design formula and the Second parabolic type Fresnel lens design formula, and on this basis, the advantages and disadvantages of the three designs is discussed.

本文在充分了解非球面光学技术在国内外的发展状况和趋势的基础上，同时从菲涅尔透镜的光学原理出发，并根据它的工作原理推导了圆环等距菲涅尔透镜的设计步骤，并在此基础上依据菲涅尔的设计思想，同时依据平面曲线的连续又呈螺旋的构思，推导出了迎光面和背光面阿基米德型菲涅尔透镜的设计公式和二次抛物面型菲涅尔透镜的设计公式，并在此基础上讨论了这三种设计各自的优缺点。

The peak of this curve is the maximal sensitivity of SCE. Because the shape of SCE is highly related to the location of the crystalline lens in the internal ocular space, we can therefore study the relative displacement of the lens while on accommodation through the comparisons of the SCE at different accommodative stages.

因SCE图形的峰值位置和水晶体的位置相关，所以我们可藉由调视前后SCE图形的变化来探讨水晶体在调节时视觉光轴的变化。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。