弹丸海上落点声学测量方法研究

摘要

Analyzing method about acoustic characteristics of the large-caliber gun proj ectile falling point on the sea has been put forward in this paper.Using hydrophone sensors,the noise signal genera-ted by the proj ectile splashing into the water is collected,Via placing the hydrophone reasonable embat-tle in the sea,using the TDOA that noise signal arrives at each different hydrophones,proj ectile falling point on the sea is accurate located.The simulation results show that this method has the characteristics of large measuring range and high measuring precision.The method can meet measurement needs of large-caliber gun proj ectile falling point on the sea.%对大口径舰炮弹丸海上落点水声特性进行分析,提出采用水听器作为传感器,采集弹丸入水时产生的击水噪声信号,通过水听器在海面合理布阵,利用噪声信号到达各水听器的时延差(TDOA),对弹丸海上落点进行精确定位.仿真计算结果表明,该方法具有测量范围大、测量精度高等特点,能够满足大口径舰炮弹丸海上落点测量需求.