文中首先研究了声目标定向技术，通过对比，确立了平面四元十字阵作为定向的核心阵形。
After comparison, cross-array, with four sensors symmetrically located in the same plane, has been regarded as the central array for target direction.
平面声弹性技术已取得进展。
本文的另一部分研究了声目标的定位技术，分为平面目标定位和空中目标定位两种。
The other part of the thesis discusses the target location problem which includes targets on the ground and in the sky.
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