In deep sea, sound ray bending correction has to be done in order to achieve high precision of the calibration.

在深海，必须进行声线弯曲修正才可获得高精度校准结果。

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Combined with the calibration method, two methods for the sound ray bending correction in deep sea are developed when the sound velocity profile is known and unknown separately.

文中结合海底应答器位置校准方法，分别就声速分布已知和未知两种条件开发了深海声线弯曲修正方法。

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The performance of the navigation system with a single transponder system operating in the deep sea is considered, and the corresponding methods for the correction of the sound ray bending are given.

考虑了单应答器水声定位导航的深海工作特性，特别给出了相应的声线弯曲修正方法。

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