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

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。

youdao

This article gives a method of getting position by altitude and azimuth of simple celestial body, the result is very important for improving the chance of celestial positioning.

此文提出了通过单一天体的高度和方位信息获取船位的一种方法，这对提高天文定位的使用机率和快速性有实际意义。

youdao

This is why I have come here: to ride through the remote Tian-Shan (Celestial Mountains) mountain range along ancient routes and through wide high-altitude pastures, known as jailoos, where shepherds have been grazing livestock for centuries.

BBC: The way of the shepherd: Horse trekking through Kyrgyzstan