查询词典 geometric distribution

The bi-directional cross track scanning, attitude fluctuation and the ETM+ sensor itself of Landsat7 result in the geometrical distortions including underscan, overscan and misalignment, which make geometric calibration more difficult than other kinds of model. The complicated imaging model increase the difficulty of geometric calibration as well.

Landsat7的双向扫描模式、姿态波动和增强型专题制图仪ETM+(Enhanced Thematic Mapper+)传感器本身的特点等必然导致遥感图象的几何畸变，同时复杂的成像几何模型也增加了几何校正的难度。

Parametrization is a crucial problem in computer graphics,computer aided geometric design and digital geometric processing.

三角网格的参数化是对三角网格的几何和拓扑信息作进一步处理的基础，它在计算机图形学、计算机辅助几何设计和数字几何处理等领域有着广泛的应用。

GMODM is about the definition and calculation of geometric objects and topological relationships based on restrict plane graph. Geometric layer should be consistently maintained. This paper gives the algorithms.

它基于受限的平面图来定义几何对象和几何对象之间的拓扑关系，并给出了几何层的一致化定义以及一致化维护算法，它定义了几何对象的公共接口，使对几何对象的操作和拓扑关系的处理独立于几何对象表示。

The construction process are multiple parameters (such as partial-top, arch axis and elevation changes, etc.) real-time monitoring system controlled by the large-span cable crane rigger arch beam, the system pegging Cable-Stayed deduction deduction for arch beam geometric precision and adjust successfully to a high-precision steel pipe arch-arch-long, concrete-filled steel tube ensures the integrity and stability, effective control of the construction process are arch axis geometric precision.

施工过程中多参数控制实时监测系统，采用大跨度的缆索吊机吊运拱肋梁段，斜拉扣挂体系扣定拱肋梁段并调整几何精度，成功地将钢管拱肋高精度合龙成拱，保证了钢管混凝土的整体性和稳定性，有效控制施工过程中拱轴线几何精度。

The whole thesis gives realized design diagram to the main function of the network geometric sketchpad in the thesis,and pointed out the lacks of network geometric sketchpad and the work that should be done in the future.

全文对网络几何画板的主要功能给出了相关设计图表，并在结束语中指出网络几何画板的不足和今后应继续努力的方向。

The paper studies the application of spherical geometry to the field of 3D geometric constraint solution and presents a geometric constraint solution method,called spherical solution method .

研究了球面几何学在三维几何约束求解中的应用，提出了球面求解法。

A planar geometric spline, biarc spline, is generalized to a 3D geometric spline whose curvature and torsion are all constant.

给出基于非线性规划解的双圆柱螺线样条局部构造法，把平面几何样条——双圆弧样条推广到常曲率和常挠率的空间几何样条。

By learning this course, students should proficiently use algebraic methods to solve geometric problems and practical problems, and proficiently grasp the basic ideas and methods of vector algebra and geometric properties of spatial line, plane and quadratic surface.

通过本课程的学习使学生熟练掌握运用代数方法解决几何问题并应用于实际问题之中，并熟练掌握向量代数的基本思想和方法，同时使学生熟练掌握空间的直线、平面和二次曲面及其各种几何性质。

In this thesis, several problems of time-dependent systems in various branches of physics are investigated by making use of the generalized invariant theory and the invariant-related unitary transformation formulation. The problems are given as follows:(1) Spin model and geometric phase factor in the fiber We investigate the fiber experiment performed by Chiao-Tomita and the Chiao-Wu theory concerning the geometric phase factor in the optical fiber, and then show that the investigation of the propagation of photons inside the noncoplanar optical fiber can be regarded as that of a second-quantization spin model.

本论文用推广的不变量理论和与不变量有关的幺正变换方法研究了一些物理分支中的几个含时系统问题：(1)自旋模型与光纤中光子几何相因子问题重新考察了Chiao-Tomita光纤实验和Chiao-Wu关于光纤中光子几何相因子的理论，证明了在非共面弯曲光纤中传播的光子运动问题实际上可以化为二次量子化含时自旋模型研究。

Then, according to research on nonisotropic transformation in geometric attack, this *** further spreads the application field of scale-space theory in watermark design and proposes an algorithm against geometric attack grounded on affine invariant feature point.

然后，通过对几何攻击中的非同向性变换的研讨，入一步扩铺尺度空间理论在水印设计中的应用，提出一种基于仿射不变特性点的抗几何攻击算法。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48