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Improved MUSIC Method for Spatial Spectrum Estimation of Ultrasound Sources
Wang, Weifeng1; Du JS(杜劲松)2; Wang W(王伟)2
作者部门智能检测与装备研究室
会议名称7th IEEE Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2017
会议日期July 31 - August 4, 2017
会议地点Hawaii, USA
会议主办者IEEE Robotics and Automation Society
会议录名称2017 IEEE 7th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2017
出版者IEEE
出版地New York
2017
页码898-902
收录类别EI ; CPCI(ISTP)
EI收录号20183905873517
WOS记录号WOS:000447628700163
产权排序1
ISBN号978-1-5386-0489-2
关键词Music Robust Capon Beamforming Array Signal Processing Spatial Spectrum Estimation Steering Vector Correction
摘要

In the actual microwave thermo-induced ultrasound imaging, the ultrasonic point sources excited by the microwave pulse are highly dense. Hence, we do some research work on using the MUSIC algorithm to address this issue because the MUSIC algorithm has high spatial resolution, which can estimate signal parameters in multipath propagation and high density signal environment well. The idea of robust Capon beam-forming is used to avoid the performance degradation of the standard MUSIC algorithm. We first estimate the true value of the steering vector and then apply it to Standard MUSIC algorithm. We also analyze of the accuracy of restoring the tumor imitation and the ability to suppress noise. The results demonstrate that the improved algorithm can estimate the spatial spectrum well, and can improve the quality of microwave thermo-induced ultrasound imaging.

语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/22823
专题智能检测与装备研究室
通讯作者Wang, Weifeng
作者单位1.University of Chinese Academy of Sciences (UCAS), Beijing, China
2.Shenyang Institute of Automation (SIA), Shenyang, China
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GB/T 7714
Wang, Weifeng,Du JS,Wang W. Improved MUSIC Method for Spatial Spectrum Estimation of Ultrasound Sources[C]//IEEE Robotics and Automation Society. New York:IEEE,2017:898-902.
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