1) epoch
[英]['i:pɔk] [美]['ɛpək]
历元
1.
With the conception of the Mean sea surface(MSS),it is suggested that the MSS should have the conception of epoch,which means that any MSS model obtained from a duration observation refers to a specific epoch.
结合平均海平面的概念,提出平均海平面应有历元的概念,即由一定时间跨度的数据计算的平均海平面只有该时间跨度内的"平均"意义。
2) single epoch
单历元
1.
A new GPS single epoch phase processing algorithm and its application in mining subsidence surveying;
一种适合开采沉陷观测的GPS单历元相位求解算法
2.
Robust estimation method for solving GPS deformatoin monitor information with single epoch;
GPS变形监测信息单历元解算的抗差估计方法研究
3.
The method research for solving the GPS deformatoin monitor information with single epoch;
单历元解算GPS变形监测信息的方法研究
3) fundamental epoch
基准历元
4) Fengyuan Li
《奉元历》
1.
A Study on the Performance of the Northern Song Government s Managing Astronomical Activities by Analyzing Fengyuan Li Reform;
从《奉元历》改革看北宋天文管理的绩效
5) Calendar of Yuan Dynasty in Gengwu Year
庚午元历
1.
The historical background and effects of the conception of Licha in the book “The Calendar of Yuan Dynasty in Gengwu Year” are analyzed and evaluated.
本文着重介绍了杰出的古代少数民族科学家耶律楚材在我国古代天文学和地理学等领域的突出贡献,尤其对他编纂《西征庚午元历》、提出“里差”概念的背景及其产生的影响给予了重点的分析和评价。
6) Yuanjia calendar
元嘉历
1.
Many papers reviewing his achievements have been published, but most of them devote to discuss his contribution to astronomy, especially to his Yuanjia calendar (445AD) and his Tiaorifa (The method for adjusting the denominator of the length of an tropical year s days).
在前人研究成果即“调日法”、《元嘉历》等方面的基础上,依据《何衡阳集》全面地介绍了何承天，对其哲学思想、 治学精神进行了更深入的探究。
补充资料：历元
| 历元 epoch 在时间历程中作为参考标准的一个特定瞬间。这个术语应用于以下几种场合：①星表（星图）历元。由于岁差、章动和自行的影响，天体的坐标随时间变化，星表（星图）所载天体位置都对于某一特定时刻给出。②观测历元。即观测资料所对应的观测时刻。③时间计量的初始历元。即时间计量系统中计量的起点。④历法中计日的起点。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条