一种利用多路径声线时延差的定位方法
摘要
利用射线声学研究了发射信号已知情况下基于时延特征谱匹配的定位方法,首先从测量信号相关谱和模拟信号相关谱中提取出时延特征谱,然后通过特征谱匹配处理来估计目标位置。仿真和实验数据处理结果表明,基于时延特征谱匹配的定位方法对环境参数失配具有较好的宽容性,目标深度和距离的估计精度较高,非相干累积和平均垂直稀疏阵各水听器的模糊度图可以明显降低旁瓣。
出处
《声学与电子工程》
2010年第1期1-3,13,共4页
Acoustics and Electronics Engineering
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