由此基于投影几何学理论及计算机三维可视化技术，建立了日照阴影问题最有效的方法。
Based on projective geometry and computer 3 dimension visual technology, the most effective method to solve sun shadow problem is present.
最后得出结论，投影几何ld P C码将有可能作为下一代无线通信系统的一项关键技术被广泛采用。
Finally a conclusion is made that projective geometry LDPC codes may be adopted as one of the key technologies in the next wireless communication systems.
通过对中国古代平面星图画法的研究，认为中国古代的天文学家在绘制星图时并未采用西方投影几何方法。
This paper think the Chinese ancient astronomer did not use the western projective in the course of drawing star map, on the contrany, they have their own personality methods.
在单个CCD摄像头固定的情况下，建立投影几何模型，计算所获取的动态图像上特征点的空间位移，得到时域上连续的脉搏信号。
The continuous pulse waves are obtained in time domain by calculating the space displacements of the feature points on movement image with single CCD camera.
模拟器用来进行几何面的自投影计算，以致被屏蔽机身特性的RCS贡献被隐藏。
The simulation uses geometric self-shadowing of facet calculations, such that RCS contributions hidden by shadowing airframe features are removed.
在这个几何观测角度下，预言家探测仪的每次探测的空间投影范围大约在300米和700米见方。
In this viewing geometry, the spatial footprint of each Diviner detector was roughly 300 by 700 meters.
本文应用画法几何投影变换方法来研究瞬时螺旋运动有关构造、位移等参数之间的几何关系。
In this paper, the method of geometric transformation is used to search the relationship between the parameters of construction and the displacement of the flop.
在相位干涉仪测向系统中，通常都认为基线倾角对相位的影响是可以通过几何投影的方法得到等效基线来消除的。
In the system of measuring Angle of phase interferometer, it is considered that the impact brought by baseline obliquity on phase can be eliminated by equivalent baseline from geometric projection.
为了提高车牌定位的实时性和有效性，利用车牌的几何特征和纹理特征，提出了基于边缘检测和投影法相结合的车牌定位算法。
A license plate location algorithm based on the combination of edge detection and projection is put forward by means of the geometric and texture information of the license plate area.
运用解析几何中的坐标变换和投影，得出一种有效求解位置反解的新方法，通过MATLAB软件对该方法进行了仿真和验证。
It put forward an effective new method to resolve the inverse position by using the conversion of coordinates and projection in analytic geometry, the method was simulated and verified by MATLAB.
作者试图采用几何投影原理以达到确定“5”点的目的。
Authors have tried to mark point '5' with geometric projection principle.
组合体的投影作图，一直是学生在学习画法几何和工程制图当中的一大问题。
The projection drawing of assembly has been a big headache for stu dents when learning techniques of geometry drawing and engineering drawing.
采用像素点变换法，实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想，大大降低了缺陷面积计算的误差；
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
由相函数的几何表象得出：热力学相平衡图实质上是相函数的投影图。
From the geometrical representation of the phase function, it is pointed out that the thermodynamic phase equilibrium diagram is in essence a projection diagram of phase function.
为了在曲面屏幕上正确的显示图像，需要在投影前实时地对图像进行几何校正和边缘融合。
The image should be corrected by geometric calibration and edge-blending before projection in order to display image on the curved plane screen correctly.
多屏投影显示系统的关键技术点包括几何校正技术、色彩校正技术以及边缘融合技术。
Multi-screen projection display systems, including the key technical points of the geometric correction, color correction technology and the edge of fusion technology.
在此基础上，根据集合论中的包含互斥理论，提出了一种求取多个复杂几何形体在任意方向的投影面积的新算法。
Based on inclusion exclusion principle of set theory, a new algorithm to calculate the whole projective area was put forward to those overlapped complex geometrical objects in any direction.
分析了镜头的几何投影变换关系，标定了镜头的畸变系数，达到高精度测量目的。
The geometric projective transformation of lens was analyzed, and the distortion coefficients of lens were calibrated for realizing high-precision measurement.
在处理关于这些几何量的问题时广义柯西投影公式经常被使用。
The generalized Cauchy projection formula is frequently used in dealing with problems concerning geometric quantities.
在画法几何投影变换中，不论用换面法或旋转法，一般位置直线均需两次变换才能变成投影面垂直线。
In the transformation of descriptive geometry, no matter the method of change plane or revolve, the oblique line can be changed to a vertical line in two successive transformations.
根据现有资料情况，确定了采用等效线中心投影的构像模型作为几何处理的数学基础。
According to the image data possessed, the formation model of equivalent line central projection is adopted to establish the correspondence between image and object space.
然后根据冠脉造影系统的透视投影模型得到两幅不同角度的造影图像之间的几何变换关系，以及空间点三维坐标的计算方法。
Then geometrical transformation matrix between views is obtained based on perspective projection model for X-ray angiography system, and 3D coordinate of spatial points are calculated.
为了解决多投影仪拼接系统中的几何变形与图像融合问题，提出了一种新的自动非线性几何校正和图像边缘融合方法。
In order to solve the problems of geometric warp and overlapping in a multi-projector display system, a new approach for auto-geometric calibration and edge-blending was presented.
多屏投影显示系统的关键技术点包括几何校正技术、色彩校正技术以及边缘融合技术。
The key techniques of multi-projector display system include geometry alignment, color correction, and edge blending.
对两条直线在某投影面上发生重影的现象进行分析，从空间角度认识其几何位置，由此得出重影线的定义。
It is in a straight-line projection of the two surface analysis of the phenomenon occurred in the film, from its perspective in geometric space, which leads to the definition of affected lines.
由画法几何原理可知平面面积等于其正投影面积乘以该平面与投影面夹角的余弦。
According to principle of descriptive geometry, the area of plane equals projection of the plane divided by cosine between plane and projection of plane.
将镜像变换、平移、旋转、缩放等几何变换手段与积分投影等方法相结合来增加虚拟样本。
It increases the virtual samples by the method of combining mirror transform, integral map and geometric transform such as shifting, rotating and zooming.
通过投影棋盘格模式图，再由相机捕捉，来获取投影表面的几何信息反馈。
We project the checkerboard pattern, and capture by camera to get the geometric information feedback.
通过投影棋盘格模式图，再由相机捕捉，来获取投影表面的几何信息反馈。
We project the checkerboard pattern, and capture by camera to get the geometric information feedback.
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