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中文摘要：
分析了信号相位匹配（SPM）原理近场目标方位（DOA）估计精度低的原因，提出了基于信号相位匹配原理的近场目标高精度方位估计方法。仿真计算结果表明该方法具有指向性尖锐、高分辨、定向精度高和计算简单等特点。水池和外场试验进一步验证了该方法的正确性，该方法有效提高了近场目标信号波达方向估计精度。
英文摘要：
The reason, why precision of the near-field signal direction-of-arrival （DOA） estimation is lower, was analyzed based on signal phase match （SPM） principle, the method of accurate near-field signal DOA estimation was proposed based on the principle. The simulated results show that the method has sharp directionality, high resolution and directional precision, and simple calculation. Correctness of the method was verified by the anechoic pool and field tests. The method can improve the precision of near-field signal DOA estimation effectively.
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