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中文摘要：
纸在非侵略的检测系统为囊报导本地化原则和方法胃肠(官方补给) 永久的道利用的和三个 magnetoresistive 传感器。当囊在实践是局部性的时，永久磁铁在囊内被修理，并且四个 magnetoresistive 传感器在身体外面被安装。永久磁铁的并列价值能被磁性的偶极子理论和最佳解决重申的方法。实验证明本地化距离能由采用 HMCI023 magnetoresistive 传感器和 NdFeB45 9 公里湩湩 ? 湫睯敬杤? 慢敳 ? 慭档湩湩 ? 敲潳牵散戠獡 ? 湡 ? 牰 ' 要?汰湡楮杮猠獹整 ? 牡 ? 瑳摵敩到达 300 公里吗？
英文摘要：
The paper reports the localization principle and method for the capsule in the non-invasive detecting system of gastrointestinal （GI） tract utilizing one permanent and three magnetoresistive sensors. When the capsule is localized in practice, the permanent magnet is fixed inside the capsule, and the four magnetoresistive sensors are installed outside body. The permanent magnet＇s coordinate values can be solved by the magnetic dipole theory and optimum iterated method. The experiment shows the localization distance can reach 300mm by employing the HMC1023 magnetoresistive sensors and the NdFeB45 09 mm × 5 mm permanent magnet, and the errors of single coordinate direction and radius vector are 0 - 58 mm and 0.1-62.9 nun respectively. The localization precision is acceptable basically, and it has some possibilities improving the precision and distance in the future. Moreover, the localization system makes the localization be reality because of decreasing the number of sensors, and it economizes the capsule＇s volume because of decreasing the permanent magnet＇s dimension, too.
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