天体高度

天体高度的观测与观测精度

Observation of the Altitude of Heavenly Bodies and the Error

两种天体高度定位的直接解法

On Two Direct Solutions of Position Fixing by Altitudes of Celestial Body

一种测量天体高度的仪器。

An instrument for measuring altitude of heavenly bodies .

海上天体高度观测的准确性

The Accuracy of Altitude Observation at Sea

论述了基于最优估计理论的天文定位方法中天体高度测量精度与定位精度的关系。

Discussed the relationship between the altitude accuracy observed and accuracy of celestial positioning based on the optimal estimating method .

最后利用航海天文学有关公式，论述了时钟误差产生的天体高度推算误差的情况－

At last , by means of using formula in Celestial Navigation , stresses that clock error yield error of celestial body altitude .

提出利用导航仪器的计算功能求天体计算高度和计算方位的方法、观测低高度天体罗方位之后利用GPS船位快速求取罗经差的方法以及利用GPS船位估计天文船位线标准差的方法。

This paper advances the methods for using the function of the GPS receiver getting the computed altitude and azimuth , getting the errors of compasses based on the GPS position and estimating the errors of the celestial line of position with the GPS receiver and its position .

文章给出了将观测单一天体方位、高度而得到的距离和方位位置线方程线性化，用迭代计算法求解观测船位的定位计算原理。

This paper offers the calculation principal of ship positioning by observing the bearing and altitude of a single celestial body for the equation line of position with distance and bearing and by overlap calculation for the observed position .

天体周日视运动过程中天体高度的变化率

The Altitude Ratio of a Celestial Body in its Diurnal Apparent Motion