| 汪海涛,唐劲松,苑秉成.干涉合成孔径声纳新体制研究[J].声学技术,2009,(5):601~604 |
| 干涉合成孔径声纳新体制研究 |
| Research on a new interferometric synthetic aperture sonar system |
| 投稿时间：2008-09-04 修订日期：2008-12-28 |
| DOI： |
| 中文关键词: 干涉合成孔径声纳 新体制 正交信号 m-序列 |
| 英文关键词: interferometric synthetic aperture sonar new system orthogonal signals m-sequence |
| 基金项目:国家863计划资助项目(2007AA091101);国防实验室基金 |
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| 中文摘要: |
| 提出一种干涉合成孔径声纳新体制:采用多个发射阵和一条接收阵的收发阵结构,通过对正交回波信号进行分离和分别成像处理得到多幅来自不同收发路径的合成孔径图像,将这些合成孔径图像进行干涉处理,实现了干涉合成孔径三维声成像;论证了新体制的可行性;论述了新体制相对于已有体制的优越性。 |
| 英文摘要: |
| Interferometric Synthetic Aperture Sonar(InSAS) provides a means of obtaining high-resolution three-dimensional images of targets.Three-dimensional information is derived from the phase difference between two sonar images taken from separate receiving arrays.However,the existing system brought some technical problems,such as high operation costs and huge storage requirement.In this paper,a New Interferometric Synthetic Aperture Sonar System is given,its feasibility is demonstrated and its superiority is described.The new system takes multi-transmitters and one linear receiver array.Several orthogonal pulse signals are transmitted by multi-transmitters.The received echoes are separated by digital signal processing to form several interferometric images,and then the three-dimensional information can be obtained by interferometry processing. |
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