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基于磁敏传感器的目标定位算法研究
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摘要
利用磁场信号分析和识别特定目标,在科研和实际生产生活中具有一定的实用意义。特别是当前磁敏传感器测量精度不断提高,信号处理方法和计算机处理能力不断提高,利用磁场信号分析特定目标的物理特征,几何特征,包括运动速度,方向等,都具备了可行性。
     本文主要讨论了利用新型磁敏传感器获取磁场信号,进行一定的信号分析和计算,实现基于磁场信息的目标定位。利用目标磁特性捕捉和分析目标自身物理特性和运动特性,实现利用计算机分析目标磁特性,实现特定目标的可视化分析和目标定位跟踪的方法。
     目前在特征目标捕捉方面使用的大部分方法是利用雷达,声纳,图像等方法。本文讨论的方法能够在车辆管理,船舶发现和定位,金属探测等方面得到一定的应用。对各种铁磁性物体探测具有广泛意义。结合现有的一些目标探测发,能够在特定目标搜索和跟踪上起到更好的作用。
     本文讨论了多种算法用于实现目标的定位问题。当目标只有一个,数学模型较为简单时,牛顿迭代法求解算法;当考虑多个目标或者实际情况噪声较为严重时,可以考虑粒子群优化算法和神经网络算法。且文章给出了上述算法的一些实现和参考。
Using the magnetic field signal analysis and identify specific targets and actual production life in research and has some practical significance. In particular, the current magnetic sensors improve measurement accuracy, signal processing methods and computer processing power increasing, the use of magnetic field signal of the physical characteristics of a specific target, geometric characteristics, including velocity and direction, both with the feasibility.
     This paper discusses the use of new magnetic sensors for magnetic field signal, a certain signal analysis and calculation of the magnetic field information-based targeting. Using objective analysis of target capture and magnetic properties of the physical characteristics and motion characteristics of their own to achieve goals using magnetic properties of computer analysis to achieve specific goals and objectives of the visual analysis of location and tracking methods.
     Capture the current characteristics of the use of most of the goals is to use radar, sonar, image and other methods. This article discusses ways to manage in the vehicle, ship detection and localization. metal detection and other aspects of certain application. Detection of ferromagnetic objects in a variety of broad significance. Target detection with some of the existing hair, to the specific target search and tracking played a better role.
     This article discusses the various algorithms used to achieve target in question. When the target is only one. relatively simple mathematical model, the Newton iteration algorithm:When considering the actual situation of multiple targets or noise is more serious, consider particle swarm optimization algorithm and neural network algorithm. And the article gives some implementation of these algorithms and references.
引文
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