跨空水介质激光声技术发展分析与思考

Analysis and thinking about the development of air and water crossed laser acoustic technology

跨空水介质间的激光声技术是世界各国正在研究的一个重要课题,开展激光声作为通信声源的技术研究有助于海洋通信的发展应用,该通信技术利用激光在水中产生声波,在空中获取声回波信号,综合应用了激光技术、声学与电子学等多种技术手段,具有强大的技术优势;利用机载平台产生激光,在水中产生声波并在空中接收被水下目标反射或散射的声波,从而对水下目标进行探测,是光、声联合探测领域的一项新的交叉技术,可满足不同海域、不同战术使用下的作战需要。论文介绍了不同条件下的激光致声原理,分析了激光声技术在探测和通信领域的应用场景,并结合已有的研究成果对激光声技术的发展应用提出了几点建议。

Air and water crossed laser acoustic technology is an important issue which receives world popular research,because exhibiting teleological research on employing laser acoustic as communication sound resource is beneficial to the development and application of marine communication.This communication technolog takes the advantage that laser generates sound wave in the water and collects echo signals in the air,it comprehensively applies multiple technologies such as laser technology,acoustics and electronics,which enjoys a powerful technology advantage.It is a new crossing technolog in light and sound combined detection area which makes use of an airborne platform who gen erates laser,produces sound wave and receives sound wave that is reflected or scattered by underwater projects,thus to detect underwater projects.It is able to satisfy battle demands in different sea areas and different battle tactics.This paper introduces principle of laser excited sound in different conditions,analyzes laser acoustic technology applied in different detecting and communicating situations,and provides some suggestions for the development and application of laser acoustic technology in accordance with existing results.