三轴磁传感器非正交性是近年来弱磁方面研究的一个热点，也是困扰磁传感器精度提高的一个障碍。

Non-orthogonality of three-axis magnetic sensor is a hotspot of weak magnetic research in recent years, and also an obstacle that interferes the increase of magnetic sensor's precision.

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而以牺牲正交性和部分分集增益为代价来获得更高传输速率的非正交空时分组码又会使误码性能降低。

Whereas the non-orthogonal space-time block codes which obtain higher transmission rate at the cost of orthogonality and partial diversity gain may degrade the performance.

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本文提出了反射阵的概念，揭示了非正交函数谱分析的镜像对称性。

Thus, the concept of reflection matrix is proposed and the mirror symmetry of spectral analysis for non orthogonal function is revealed.

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