论述了天文定位的最优估计方法及其精度。
This paper describes an optimal estimating method for the celestial positioning and its accuracy.
其船位精度较传统的一般天文定位的精度要高。
The accuracy of the position obtained by this method is higher than that of the traditional celestial fixing.
论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。
The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.
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.
天文定位是一种重要的导航定位方法，天体的位置是天文定位至关重要的一个数据。
Celestial navigation is an important means for accurate navigation, and the apparent place of celestial bodies is an important data of the celestial navigation.
为了有效的提高目标星象的天文定位精度，CCD观测图像的亚象素级高精度质心定位技术的研究至关重要。
In order to effectively improve the precision of the astronomical determination of space target, sub-pixel positioning technology research is very important for CCD exploration images.
近十几年来，自卫星导航仪较为普遍地被各类船舶装备和使用后，不少船舶驾驶员已置天文定位于不顾之境地。
As satellite navigation AIDS became widely used on vessels in the past few decades, many officers have neglected the traditional practice of celestial fixing.
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。
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。
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.
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