一种相干分布式目标的水声成像方法研究  

Research on Acoustic Imaging Method of Coherent Distributed Sources

作　　者：张路[1] 冯西安[1] 

机构地区：[1]西北工业大学航海学院,西安710072

出　　处：《微处理机》2013年第3期69-71,77,共4页Microprocessors

基　　金：教育部博士点基金;(20106102110011)

摘　　要：介绍一种基于相干分布式目标模型的水声成像理论和方法。针对水下分布式目标成像的需要,建立了相干回波模型,并提取水下目标的本质特征,给出分布式目标成像的DSPE算法,并运用该算法对目标回波进行处理。通过计算机仿真分析,得出的仿真结果与理论分析相符,验证了分布式目标成像方法的有效性。构建目标的水声图像可以为水下探测实现精确定位提供技术支持,研究成果对基于分布式目标模型的水下目标成像理论和方法的研究具有重要的参考价值。This paper discusses the theory and method of underwater target acoustic imaging based on the coherent distributed sources model. Considering the need of underwater distributed source imaging, a coherent echo model is created by analyzing the unique features of underwater targets and then the DSPE method of distributed source imaging is provided to process the target echo of underwater target imaging. The analysis for computer simulation is completed, its result complying with the theoretical analysis, to prove the. effectiveness of the distributed sources imaging method. The underwater target imaging provides technical support for underwater detection to locate objects accurately and quickly. The research results show that they are valuable to the theoretical and methodological research of underwater target imaging based on the distributed sources model.

关 键 词：水下声成像 目标回波 分布式目标 相干模型 

分 类 号：TB566[交通运输工程—水声工程]