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检索条件"主题词=spherical trigonometry"
5 条 记 录,以下是1-10 订阅
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Infinitesimal Methods in the Works of Thabit ibn Qurra and L, Euler in spherical trigonometry
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Journal of Mathematics and System Science 2013年 第8期3卷 381-384页
作者: Golikova N.G. Al-Dabbagh J.J. Department of Higher Mathematics Moscow A cadamy of city Economy and Building Lyusinovskaya 43 app. 116 Moscow 115093 Russia
In one of his astronomical works the prominent arabic medieval scientists Thabit ibn Qurra (836-901) studied the visible motion of the Sun and found the points, where its velocity is maximum or minimum. He also lbun... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
spherical f-Tilings by Two Noncongruent Classes of Isosceles Triangles-Ⅱ
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Acta Mathematica Sinica,English Series 2014年 第8期30卷 1435-1464页
作者: Ana BREDA Robert DAWSON Patrícia RIBEIRO Department of Mathematics University of Aveiro Department of Mathematics and Computing Science Saint Mary’s University Halifax Department of Mathematics EST SetbalPolytechnic Institute of Setbal
In this work,we give a complete classification of spherical dihedral f-tilings when the prototiles are two noncongruent isosceles triangles with certain adjacency *** it will be shown,this class is composed by two dis... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
spherical f-Tilings by Scalene Triangles and Isosceles Trapezoids, Ⅱ
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Acta Mathematica Sinica,English Series 2012年 第5期28卷 1013-1032页
作者: Catarina P. AVELINO Altino F.SANTOS Department of Mathematics University of Trs-os-Montes e Alto Douro
The study of the dihedral f-tilings of the sphere S2 whose prototiles are a scalene triangle and an isosceles trapezoid was initiated in a previous work. In this paper we continue this classification presenting the st... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Triangles Technique for Time and Location Finding of the Lightning Discharge in spherical Model of the Earth
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Journal of Geoscience and Environment Protection 2016年 第4期4卷 125-135页
作者: Anatoliy Lozbin Yuriy Shpadi Alexander Inchin Scientific Space Systems Laboratory Institute of Space Techniques and Technologies Almaty Kazakhstan
The spherical model of time and location calculation of the lightning discharge is given. The calculations are made by means of radio signals detection by sensors of the distributed network. The full solution of a pro... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
About Resolvability of the Problem of Lightning Coordinates Finding by the Time of Lightning Discharge Arrival
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Journal of Geoscience and Environment Protection 2021年 第3期9卷 209-221页
作者: Yuriy Reingoldovich Shpadi Alexandr Sergeevich Inchin Anatoliy Yurievich Lozbin Galymzhan Ayazbayev Maxim Yurievich Shpadi Ludmila Ismailovna Mailibayeva Institute of Space Techniques and Technologies Kazakhstan Almaty Institute of Mathematics and Mathematical Modeling Kazakhstan Almaty
On the unit sphere, the geometric problem of calculating the position of a point relative to three given points is considered. We know the length of three spherical segments that go out from the given points in the di... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论