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中文摘要：
介绍了磁快速定向系统的组成及其工作原理,利用巨磁阻传感器,测量地磁场,得到了测量数据。并利用小波分析对其进行去噪处理,提取地磁场信号特征,进而实现快速准确定向。最后简单分析了该定向系统的应用前景。
英文摘要：
A newly developed high accuracy, low cost orientation system is introduced in this paper. The constitution and theory of the orientation system are presented. The data of geomagnetic field was gotten by the GMR sensor. Because of the complex noise in the signal, the wavelet method to decrease the noise was applied to pick up the geomagnetic signal and realize the orientation. In the end, the application and the prospect of the orientation system was briefly described.
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