真航向，指的是船舶航行时，真北线与船首线之间的夹角。真航向以真北线为基准，顺时针量至船首线。
潜艇真航向的测量问题在国内是待解决的难题。
Measure method for true course of submarine is a difficult problem that had not been solved in our nation.
文章分析了某型潜艇真航向测量系统的接口箱硬件特点及相应的软件要求。在接口箱系统的单任务操作系统下，需要一种任务调度策略来实现多任务实时性。
In this paper, the characteristics of the navigation data acquisition equipment used on some submarine are analyzed and the task scheduling demand of this set is rigorous.
雷达转换至真运动航向向上。
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