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可调节经线收敛度和经纬线间隔的伪圆柱投影

钟业勋 胡毓钜

海洋测绘2011,Vol.31Issue(3):8-11,4.
海洋测绘2011,Vol.31Issue(3):8-11,4.

可调节经线收敛度和经纬线间隔的伪圆柱投影

Pseudo-cylindrical Projection Constructed by Using Variable Meridian Convergence and Meridian-and-parallel Intervals

钟业勋 1胡毓钜2

作者信息

  • 1. 广西测绘局,广西,南宁,530023
  • 2. 广西师范学院,资源与环境科学学院,广西,南宁,530001
  • 折叠

摘要

Abstract

Let the latitude (o)j transformming into Ψj, the meridian equation is expressed by a seventh power equation of Ψj. The coefficient of central meridian equation is linked with the parallel intervals. After the meridian λi transformming into ξi, the meridian equation is expressed by a seventh power equation of ξi. The coefficient of equator equation is linked with the meridian intervals. The meridian convergence is regulated by the meridian convergence coefficient. And thus a pseudo-cylindrical projection can be established with variable meridian convergence and meridian-and-parallel intervals.

关键词

伪圆柱投影/经线收敛度/中央经线方程/赤道方程/经线间隔/纬线间隔/变形计算

Key words

pseudo-cylindrical projection/ meridian convergence degree/ central meridian equation/ equatorequation/ meridian interval/ parallel interval /distortion computation

分类

天文与地球科学

引用本文复制引用

钟业勋,胡毓钜..可调节经线收敛度和经纬线间隔的伪圆柱投影[J].海洋测绘,2011,31(3):8-11,4.

海洋测绘

OACSTPCD

1671-3044

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