Application of band-pass sampling technology in high resolution imaging sonar

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (12): 228-231.

• 工程与应用 • Previous Articles Next Articles

Application of band-pass sampling technology in high resolution imaging sonar

DU Wen-ping,WANG Jing-yu,JIANG Li-jun,XU Feng

Imaging Sonar Technology Lab，Institute of Acoustics，Chinese Academy of Sciences，Beijing 100080，China

Received:2007-08-07 Revised:2007-11-22 Online:2008-04-21 Published:2008-04-21
Contact: DU Wen-ping

带通采样在高分辨率图像声纳中的应用

杜文萍,王静宇,蒋立军,许枫

中国科学院声学研究所图像声纳技术实验室，北京 100080

通讯作者: 杜文萍

Abstract

Abstract: The paper introduces the practical application of band-pass sampling technology in high resolution imaging sonar， proposes the band-pass sampling principle and the selection criterion of sampling frequency，then provides the digital beam-forming approach based on band-pass sampling technology.Simulation and lake trials of multi-beam imaging sonar system have shown its practicability and engineering efficiency．

Key words: band-pass sampling, multi-beam, high resolution, imaging sonar

摘要： 介绍了带通采样技术在高分辨率图像声纳中的应用；首先阐述了带通采样定理以及采样率的选取原则，然后从多波束图像声纳的原理出发，给出了基于带通采样的数字波束形成方法；仿真和湖上试验表明了这种方法的可行性以及工程实现的有效性。

关键词: 带通采样, 多波束, 高分辨率, 图像声纳

DU Wen-ping,WANG Jing-yu,JIANG Li-jun,XU Feng. Application of band-pass sampling technology in high resolution imaging sonar[J]. Computer Engineering and Applications, 2008, 44(12): 228-231.

杜文萍,王静宇,蒋立军,许枫. 带通采样在高分辨率图像声纳中的应用[J]. 计算机工程与应用, 2008, 44(12): 228-231.

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Application of band-pass sampling technology in high resolution imaging sonar

带通采样在高分辨率图像声纳中的应用

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