Principle of Adaptive Detection Using Dual-Magnetic Field Gradient Inputs as Reference

LIN Chun-sheng; XIANG Qian; GONG Shen-guang

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Principle of Adaptive Detection Using Dual-Magnetic Field Gradient Inputs as Reference

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- Principle of Adaptive Detection Using Dual-Magnetic Field Gradient Inputs as Reference
- Acta Electronica Sinica Vol. 32, Issue 3, Pages: 519-521(2004)
- 作者机构：
  
  海军工程大学兵器工程系,湖北,武汉,430033
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.23O441
- Published：2004
- 稿件说明：
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LIN Chun-sheng, XIANG Qian, GONG Shen-guang. Principle of Adaptive Detection Using Dual-Magnetic Field Gradient Inputs as Reference[J]. Acta Electronica Sinica, 2004, 32(3): 519-521.
DOI：

LIN Chun-sheng, XIANG Qian, GONG Shen-guang. Principle of Adaptive Detection Using Dual-Magnetic Field Gradient Inputs as Reference[J]. Acta Electronica Sinica, 2004, 32(3): 519-521. DOI：

摘要

本文使用4个单分量磁探头构成双参考磁场梯度探测装置.4个探头组成3个磁场梯度传感器

其中一个为信号传感器

另两个为噪声传感器.以信号传感器输出作为原始输入

噪声传感器输出作为参考输入

采用自适应噪声抵消技术

能有效消除因载体运动产生的涡流磁场及因磁探头方向相对地磁方向改变而引起的噪声输出.本文提出的双参考磁场梯度探测装置具有工艺性好

灵敏度高

虚警概率低的优点

可在实际磁探系统中使用.

Abstract

Four single component magnetic field sensors are used to make up of a detection device that has dual-magnetic field gradient inputs as reference.The four single component sensors compose three magnetic field gradient sensors with one as signal sensor

the other as noise sensors.Let the output of signal sensor be the original input and those of noise sensors as reference inputs

then noise caused by the change of orientation of magnetic field sensor relative to geomagnetism orientation can be eliminated efficiently

as well as bow wave due to carrier movement.Practical application shows that the detection device presented in has good technic property

high sensitivity with low false alarm probability.

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