Traditional methods are steered beamformer, high resolution spectral estimation, time delay estimation ( TDE ) .

传统的声源定位方法主要有:可控波束形成技术; 高分辨率谱估计的定向技术;时延 估计技术 等.

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The problem of time delay estimation ( TDE ) with multipath transmissions arises often in many sonar systems.

多途时延估计问题经常出现在不同的声呐系统中.

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