Low complexity MIMO sonar imaging using a virtual sparse linear array-中国Betway体育网页登陆

摘要 Amultiple-inputmultiple-output(MIMO)sonarcansynthesizealarge-aperturevirtualuniformlineararray(ULA)fromasmallnumberofphysicalelements.However,thelargeapertureisobtainedatthecostofagreatnumberofmatchedfilterswithmuchheavycomputationload.Toreducethecomputationload,aMIMOsonarimagingmethodusingavirtualsparselineararray(SLA)isproposed,whichcontainstheofflineandonlineprocessing.Intheofflineprocessing,thevirtualULAoftheMIMOsonaristhinnedtoavirtualSLAbythesimulatedannealingalgorithm,andmatchedfilterscorrespondingtoinactivevirtualelementsareremoved.Intheonlineprocessing,outputsofmatchedfilterscorrespondingtoactiveelementsarecollectedforfurthermultibeamprocessingandhence,thenumberofmatchedfiltersintheechoprocessingprocedureiseffectivelyreduced.Numericalsimulationsshowthattheproposedmethodcanreducethecomputationloadeffectivelywhileobtainingasimilarimagingperformanceasthetraditionalmethod.

1Xionghou Liu;Chao Sun;Yixin Yang;Jie Zhuo.Compensating for intensity loss in a large-aperture MIMO sonar imaging system.物理电子学,2016-01.
2张雷;焦小雪.Simplification of integral imaging system by using a lenticular lens array.物理电子学,2014-06.
3Zhang Ningbo Kang Guixia Guo Yanyan Zhang Ping.A LOW-COMPLEXITY PORT SELECTION AND POWER ALLOCATION SCHEME IN DISTRIBUTION MIMO SYSTEMS.物理电子学,2010-02.
4Zhu Fengxiang Qi Wenfeng.THE 2-ERROR LINEAR COMPLEXITY OF 2^n-PERIODIC BINARY SEQUENCES WITH LINEAR COMPLEXITY 2^n -1.物理电子学,2007-03.
5戴宗铎;黄民强.LINEAR COMPLEXITY AND THE MINIMAL POLYNOMIAL OF LINEAR RECURRING SEQUENCES OVER Z/(m).系统科学,1991-01.
6何云涛;黄海平;江月松;张跃东.Optical phase control for MMW sparse aperture upconversion imaging.光学工程,2014-05.
7ZHU Zhaotong;PENG Shibao;XU Jia;XU Xiaomei.Automatic target recognition method for inverse synthetic aperture sonar imaging.声学,2018-04.
8Wang Li-Guo Liu Dan-Feng Zhao Liang.Sparse representation-based color visualization method for hyperspectral imaging.地球物理学,2013-02.
9单宝华;段忠东;欧进萍.Study of ultrasonic phased array inspection imaging technology for NDT.焊接,2006-03.
10Xuebin Zhuang Xiaowei Cui Mingquan Lu Zhenming Feng.Low-complexity method for DOA estimation based on ESPRIT.物理电子学,2010-05.

Low complexity MIMO sonar imaging using a virtual sparse linear array

来源期刊

相关推荐

同分类资源更多

相关关键词