| 释义 |
- 投影中心：指在透视投影中，光线汇聚的点。
- 投影区域：指在透视投影中，图像被投影到的区域。
1 ?投影中心 ... 中心轮转式桥牌规则 pivot bridge laws or 光学中心,光心,视中枢 optical centers 投影中心,投射中枢 centers of projection ...
- 1
Sphenoid projection, a projection has more projective centers which are the crossing points intersected by minor axis of the ellipsoid and the parallel planes. 楔形投影是以过该点纬线所在平面与椭球短轴交点为投影中心作中心投影。 - 2
In the method, a part of reliable scattering centers are automatically selected and effectively associated via checking the back-projection error. 此方法通过对反投影误差的检验实现了对部分可靠散射中心的自动选择和有效关联。 - 3
In this paper, we propose a new algorithm based on sub-aperture and filtered back-projection algorithm to estimate the anisotropy of objects scattering centers in wide-aperture imaging. 介绍了由投影重建图像的基本原理，对扇束滤波反投影重建算法进行了分析，并针对该算法的特点提出了一种提高算法求解速度的方法。
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