用速度平差法求解目标运动要素是潜艇作战中常用的目标运动要素求解方法。
The least square method about velocity is used usually to solve the essential factors of target motion in submarine operation.
目标运动要素可通过解算声纳数据而获得，用匀速直线运动来模拟目标运动规律。
Target moving element is given through calculating sonar data, then its kinematic rule is imitated with uniform straight line motion.
该方法的提出，提高了运动要素测定的自主性，而且满足新型全封闭舰船的测定要求。
This method can improve the independence of motion element measurement and satisfy the measurement requirements of new-type closed ships.
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