摘要
给出了多种常用日晷晷面线图设计计算式及其相应的线图样式，并阐述了赤道式、地平式、子午式、卯酉式等多种日晷的特色、优缺点及其结构安装要点．
The design principles of the sundial are fairly complex. So there are difficulties in sundial design an d its application. This paper presents many formulas for the figure design of the sundial and its formats. Besides, the paper expounds on the characteristics, merits and demerits, as well as the fixing gist of different kinds of sundial. Therefore, the chosen sundial can be designed conveniently.
出处
《上海交通大学学报》
EI
CAS
CSCD
北大核心
1996年第1期122-128,共7页
Journal of Shanghai Jiaotong University
关键词
天文仪器
日晷
时间
节气
astronomy instrument
sundial
time
solar term
