计算机与数字工程2016，Vol.44Issue(3)：393-395,444,4.DOI:10.3969/j.issn.1672-9722.2016.03.002
基于日晷原理的太阳影子定位实现磁
Sun Shadow Position Based on the Sundial
吴俊斌 1吴晟 1吴兴蛟1
作者信息
- 1. 昆明理工大学信息工程与自动化学院昆明 650500
- 折叠
摘要
Abstract
Based on the principle of the ancient sundial ,throuth the shadow of the sun to achieve positioning ,according to the theory of astronomy ,the sun's data is calculated ,such as elevation angle ,azimuth angle and shadow forming princi‐ple .And the data of the sundial shadow is calculated at each moment between sunrise and sunset ,such as length and azi‐muth .Then the relationship of the functions between shadow of the sun and latitude‐longitude is gotten .Then ,in the process of using backstepping method to solving the problem ,the least squares method is used to obtain shadow‐length in noon local time and Beijing time ,and finally the problem is solved by the functions between shadow of the sun and latitude‐longitude .In this article ,the emulation and simulation are carried out through JAVA program to verify the results and proves the truth of these method .关键词
影子定位/日晷投影原理/最小二乘法/Java仿真Key words
shadow positioning/sundial projection principle/least square method/Java simulation分类
社会科学引用本文复制引用
吴俊斌,吴晟,吴兴蛟..基于日晷原理的太阳影子定位实现磁[J].计算机与数字工程,2016,44(3):393-395,444,4.
