基于地磁场扰动探测的巡航导弹定位系统设计  

Design on cruise missiles positioning system based on geomagnetic field disturbances detection

作　　者：武锦辉[1] 闫晓燕[1] 王高[1] 

机构地区：[1]中北大学电子测试技术国家重点实验室,山西太原030051

出　　处：《传感器与微系统》2013年第5期92-94,98,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(60378019);电子测试技术国家重点实验室基金资助项目(9140C120402X)

摘　　要：为了大范围探测、准确识别、精确定位巡航导弹,提出一种基于地磁场扰动探测的巡航导弹识别定位系统。根据毕奥—沙伐尔定律和电磁感应定律,设计了通过磁场扰动反演巡航导弹位置、距离等特征信息的方法,建立了相应的数学模型。通过仿真分析可知,磁场扰动强度主要取决于被测物与磁探测器的距离、被测物的尺寸以及被测物的速度。通过Matlab仿真,分别给出了3个参数与磁场扰动强度的函数关系图。实验采用金属柱等比例模拟巡航导弹飞行穿过恒磁场的物理过程,得到了不同距离、不同速度条件下被测金属柱产生的磁场扰动强度,从而反演被测物的特征信息。实验证明其原理可行,探测范围和精度可以根据具体要求调节。In order to realize wide range detection, accurate identification, precise positioning on cruise missiles, a system for cruise missiles recognition and positioning based on magnetic field disturbance detection is proposed. According to the law of Biot-Sand the Laval law and electromagnetic induction, design a method for inversion feature information of cruise missile such as position and distance by magnetic field disturbances, and establish corresponding mathematical model. Through simulation analysis, the intensity of magnetic field perturbation depends primarily on distances between the measured object and the magnetic detector, size and velocity of the measured object. By Matlab simulation, the function relationship diagram of intensity of the magnetic field disturbance and three parameters is given. Experiment adopts metal column analog proportionally physical process that cruise missiles flying through constant magnetic field, get intensity of magnetic field turbulence under different conditions of different distance,different speed generated from measured metal column,inverses the characteristic information of the measured object. Experiments show that the principle is feasible, detection range and precision can be adjusted according to specific requirements.

关 键 词：磁场扰动探测 高速检测 巡航导弹 定位 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]