声纳阵测量高速运动目标入水点关键技术研究

Research on key technology of measuring water entry point of high-speed moving target with sonar array

基于弹头落水产生的声响相关特征,可以采用声学探测实现对入水点位置的测量,具体采用浮标与潜标相结合的方式,完成对落点位置的测量。文章总结了工程实践中利用浮标和潜标相结合的方法面临的诸多技术难题,如需要解决弹头击水声脉冲瞬态信号检测与分析技术、高精度目标方位估计技术、宽频大动态高倍频采样信号采集技术、水听器三维阵形监测技术等出现的应用问题,并提出了解决方案。

Based on the sound-related characteristics of the warhead falling into the water,acoustie detection can be used to measure the position of the water entry point.The article summarizes many technical difficulties faced by the method of combining buoys and submersibles in engineering practice,such as the need to solve the detection and analysis technology of warhead hit water acoustic pulse transient signal.high-precision target azimuth estimation technology,broadband large dynamic high frequency sampling signal.The application problems of acquisition technology and hydrophone three-dimensional formation monitoring technology are presented,and solutions are proposed.