According to the angle requirement for two ships position lines, this paper proposes the method to arrange the time to take the sun sight further than the one near the noon sight.
根据对船位线交角的最低要求,论述了在太阳移线定位中,以中天纬度线为参考,进一步安排中天附近以外观测太阳船位线所需时间间隔的估算。
Using the CCD star tracker as the ships position measuring instrument is considered much for its high positioning accuracy. no position accumulated error, fast and intelligent work.
CCD星体跟踪器作为舰船位置测量仪器,因其定位精度高、无位置积累误差、快速和智能化工作而受到重视。
In the 20th century, radio beacons and satellite networks allowed aircraft and ships to determine their position.
在20世纪,无线电信标台与卫星网络让飞机和船舰确定其位置。
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