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1. 发明授权

US5684396A Localizing magnetic dipoles using spatial and temporal processing of magnetometer data 失效
标题翻译：使用磁力计数据的空间和时间处理来定位磁偶极子
公开(公告)号：US5684396A
公开(公告)日：1997-11-04
申请号：US611352
申请日：1996-03-05
申请人： Stanley O. Aks , Kirk Kohnen
发明人： Stanley O. Aks , Kirk Kohnen
IPC分类号： G01B7/00 , G01R33/02 , G01V3/08
CPC分类号： G01V3/081
摘要： Processing methods and apparatus that process magnetometer data derived from an array of magnetometer sensors and outputs both the position and velocity of a magnetic dipole. In the method and apparatus, (a) a set of actual magnetic field measurements of a magnetic dipole is collected using the array of magnetic sensors. Then (b), a trajectory for the magnetic dipole is hypothesized. Then (c), a set of estimated magnetic field measurements is determined that would be formed by a magnetic dipole moving along the hypothesized trajectory. Then (d), the actual magnetic field measurements are compared with the estimated magnetic field measurements. Then (e), based on the comparison, a new trajectory for the magnetic dipole is hypothesized. Steps (c) through (e) are repeated until agreement between the actual magnetic field measurements and the estimated magnetic field measurements is deemed sufficiently close. The trajectory is displayed for viewing on a display.
摘要翻译：处理方法和装置，其处理从磁力计传感器阵列导出的磁力计数据，并输出磁偶极子的位置和速度。在该方法和装置中，（a）使用磁性传感器阵列收集磁偶极子的一组实际磁场测量。然后（b），假设磁偶极子的轨迹。然后（c），确定将由沿着假设轨迹移动的磁偶极子形成的一组估计磁场测量。然后（d），将实际磁场测量与估计的磁场测量值进行比较。然后（e），基于比较，假设了磁偶极子的新轨迹。重复步骤（c）至（e），直到实际磁场测量和估计的磁场测量之间的一致被认为足够接近。显示轨迹显示在显示屏上。

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