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基于动磁测量与BFGS法求解的鱼雷近场定位算法

Torpedo Near-Field Localization Algorithm Based on Dynamic Magnetic Measurement and BFGS Method
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摘要 为解决以往磁偶极子反演定位算法过度非线性化使得计算难度过大,以及非线性问题线性化后不易求得全局最优解等问题,提出了一种新的基于动磁测量技术(DMMT)的水下目标近场定位算法。该算法非线性化程度适中,具有多信息融合与数据快速处理的特点,试验验证该算法可实现动磁源的近场准确定位,且利用拟牛顿法(BFGS)可使计算简单易行。该算法可用于鱼雷近场定位,在水下探测、追踪、末弹道测绘等领域有重要用途。 In order to solve the problems that the excessive non-linearization of the previous magnetic dipole inversion algorithm makes the computation more difficulty and the global optimal solution is diffcult to obtain after linearization, a new kind of underwater target location algorithm based on dynamic magnetic measurement technology(CDMMT) is designed. The algorithm is moderately non-linear, with the features of multiple information fusion and fast data processing. The near-field accurate positioning of the dynamic magnetic source can be verified by experiments, and the quasi-Newton method( BFGS) can make the calculation simple and easy.The algorithm can be applied to the near-field positioning of torpedoes. It has important applications in underwater detection, tracking, surveying and mapping.
作者 李伟 李斌 邓鹏 许政 LI Wei;LI Bin;DENG Peng;XU Zheng(Department of Strategic Missile and Underwater Weapons,Naval Submarine Academy,Qingdao 266100,China;School of Navigation,Northwestern Polytechnic University,Xi' an 710000,China)
出处 《测控技术》 2019年第5期94-98,共5页 Measurement & Control Technology
基金 海军十三五预研项目(3020605030103)
关键词 鱼雷 动磁测量 拟牛顿法 BFGS 近场定位 torpedo dynamic magnetic measurement quasi-Newton method BFGS near-field positioning
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