【作者】 马慧颖； 曾向阳； 王海涛；

【Author】 MA Hui-ying;ZENG Xiang-yang;WANG Hai-tao;School of Marine Science and Technology, Northwestern Polytechnical University;Key Laboratory of Ocean Acoustics and Sensing (Northwestern Polytechnical University), Ministry of Industry and Information Technology;

【机构】 西北工业大学航海学院； 海洋声学信息感知工业和信息化部重点实验室(西北工业大学)；

【摘要】 时间反转法具有自适应聚焦,抗混响以及克服多途效应的优点,因此本文对室内不同声源条件下的双传声器时反定位方法进行了仿真和实验研究。分别研究了不同声源数量时(单声源和双声源)该方法的定位精度,脉冲声源和稳态声源在定位精度方面的对比,以及声源与传声器的距离变化对定位精度的影响。实验表明,单声源的定位效果优于双声源的定位效果;稳态声源比脉冲声源的定位效果好;声源距传声器较近时的定位效果优于较远时的定位效果。更多还原

【Abstract】 Time reversal method has the advantages of adaptive focusing, anti-reverberation and overcoming the multipath effect. Therefore, the time reversal localization method of dual-microphone under different sound source conditions are simulated and experimentally studied in this paper. The localization accuracy under the single and double sound source, the comparison of pulse sound source and steady sound source on localization accuracy, and the influence of distance between the sound source and the microphone are studied respectively. The experimental results show that the localization effect of the single sound source is better than the double sound source; the localization effect of the steady sound source is better than the pulse sound source. the localization effect of the close distance is better than the long distance.更多还原