查询词典 map projection

The process of the oblique projection algorithm is derived using B-spline function and can provide good effect that is only inferior to the orthogonal projection algorithm.

倾斜投影演算法的处理程序中会使用到B-spline函数来实作影像的放大与缩小，它能提供仅次於正交投影演算法的效能。

Parallel projection possesses the advantage of retain some information of object;but by mono parallel projection many information will be lost.

平行投影会真实保留对象的某些信息，但单一的平行投影会损失对象的许多信息。

The projection on its parallel projection plane shows the true shape.

在所平行的投影面上的投影反映实形。

Based on perspective projection model,a modified parallel projection method for flying pose measurement is proposed.

摄影系统的成像满足透视投影模型，使用平行投影法做飞行姿态交会存在模型误差。

This approach utilizes the fact that if the centerline of target image gets through the center point of the image plane,perspective projection and parallel projection must have the same image-forming property.

依据在目标成像的中轴线通过像面中心的时候，平行投影法和透视投影法有相同的成像特征这一事实，提出了一种无模型误差的修正平行投影法。

After understanding the principle and related algorithm of parallel ray projection, I proposed Project-shift algorithm, that based on two steps: making a projection model and shifting other images.

在了解平行光投影性质及相关算法的基础上，利用这些特性，提出投影-平移最大密度投影算法，该方案主要通过建立投影模板和对每层图像的平移处理来完成。

Parallel projection transformation and perspective projection.

投影变换有平行投影和透视图。

It is found that thediffraction efficiency of the beam whose projection is antiparallel to the optical axis isdifferent from that of the one whose projection is parallel to the axis inphotorefractive crystals with unidirectional fanning.

发现具有单向光扇的光折变晶体其二波耦合衍射效率沿正负光轴两个方向明显不等。

The dissertation mainly studied the key techniques which are the mathematics modeling of cone-beam CT simulation system, and the parallel rapid simulation of the projection imaging with STL phantom models. Then a cone-beam CT simulation system platform was developed, which provided the projection simulation for compounding phantoms, non-point X-ray source and multiple X-ray spectrums.

本文重点研究了锥束CT仿真系统的数学建模、STL样本模型投影成像的并行快速仿真等关键技术，开发构建了一个支持混合样本、非点光源与多光谱投影仿真的锥束CT仿真系统平台。

In the phase measurement technology based on grating projection, there are some difficulties such as: the method of projection, phase unwrapping algorithm and 3-D coordinates calibration.

在光栅投射相位测量技术中存在着几个难点，例如：投影方式、相位去包裹算法和3－D坐标标定。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。