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对吴氏网(极射赤平投影)应用的扩展
引用本文:周忠仁. 对吴氏网(极射赤平投影)应用的扩展[J]. 中国石油大学学报(自然科学版), 1986, 0(4)
作者姓名:周忠仁
作者单位:华东石油学院工程画教研室
摘    要:在地质、天文、结晶等学科领域里应用吴氏网,能迅速、便利和较精确地解决许多空间角度计算问题。本文研究了利用吴氏网求解任何一地某日昼夜的长度及全年中某日太阳直射纬度(太阳赤纬),论述了太阳高度角、方位角、日期、当地纬度及当地时刻等几个参数之间的互求问题,给出了求解球面上任意两点间的球面距的方法。研究表明,吴氏网应用于机械领域中可求解任意一条水平线与任意一条正平线之交角的实际大小,在数学中可代替三角函数表。

关 键 词:方位角  纬度  经度  极射赤面投影  图解法

APPLICATION OF DESCRIPTIVE GEOMETRY TO ASTRONOMICAL OBSERVATION
Zhou Zhongren. APPLICATION OF DESCRIPTIVE GEOMETRY TO ASTRONOMICAL OBSERVATION[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 1986, 0(4)
Authors:Zhou Zhongren
Affiliation:Zhou Zhongren
Abstract:Soviet scholar Wuwov created the Wuwov's intersection chart, which is applied to the Astronomical observation, Geological survey and Crystallography etc.The research of this paper shows that the application of the Wuwov's chart was found expanded. It can be used for determining the length of day and night at the given date in the given place. The solar azimuth angle and the functional relation of the high azimuth direction in the given place at a given time and date can be obtained from it. The sperical projection and the intersecting angle between two lines in the space can be given. It can be used to take the place of the trigonometrical function tables in math.
Keywords:Azimuth angle  Latitude  Longitude  Stereographic projection  Diagram  
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