摘要
讨论了球面上圆的极赤投影问题,从而为球面机构问题的研究提供了一种可行的几何途径。
in this paper, the stereographic projection for circle on spherical surface is discussed. So that, the feasible geometric way for spherical mechanism research is provided.
出处
《燕山大学学报》
CAS
2000年第3期261-264,共4页
Journal of Yanshan University
关键词
极赤投影
正投影
迹点
迹线
小圆
大圆
stereographic projection, orthographic projection, tracing point, tracing line, large circle, small circle.