›› 2014, Vol. 27 ›› Issue (7): 36-.

• 论文 • 上一篇    下一篇

基于正交基分解算法的航空磁探方法

杨勇,陈正想   

  1. (中国船舶重工集团公司第710研究所 磁学研究中心,湖北 宜昌 443003)
  • 出版日期:2014-07-15 发布日期:2014-07-19
  • 作者简介:杨勇(1985—),男,硕士研究生。研究方向:信号与信息处理,磁性目标探测与定位。E-mail:csic_yangyong@sina.com

Orthogonal Basis Decomposition Algorithm Based on Aeromagnetic Exploration

YANG Yong,CHEN Zhengxiang   

  1. (Magnetism Center,Research Institute 710,China Shipbuilding Industry Corporation,Yichang 443003,China)
  • Online:2014-07-15 Published:2014-07-19

摘要:

航空磁探中,将潜艇目标以磁偶极子模型代替。针对目标信号信噪比较低的情况,利用正交基分解检测算法,大幅提高了水中磁性目标信号的信噪比,有效地检测到磁性目标。采用双L型航空磁探方法,确定磁性目标的运动位置、航向和航速。仿真试验表明,该方法具有一定的工程应用价值。

关键词: 磁异探测, 航空, 磁偶极子, 信噪比, 正交基分解算法

Abstract:

The submarine target is regarded as the magnetic dipole on the magnetic anomaly detection (MAD) in aeromagnetic survey.An orthonormalized functions decomposition algorithm is proposed to increase SNR prominently in detecting target magnetic signals.The position,the velocity and the course of the submarine target can be obtained by the double L detection method.The simulation demonstrates the method has good effects.

Key words: MAD;aeromagnetic survey;magnetic dipole;SNR;orthonormalized functions decomposition algorithm

中图分类号: 

  • TM937