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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
Department智能检测与装备研究室
Conference Name7th IEEE Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2017
Conference DateJuly 31 - August 4, 2017
Conference PlaceHawaii, USA
Author of SourceIEEE Robotics and Automation Society
Source Publication2017 IEEE 7th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2017
PublisherIEEE
Publication PlaceNew York
2017
Pages898-902
Indexed ByEI ; CPCI(ISTP)
EI Accession number20183905873517
WOS IDWOS:000447628700163
Contribution Rank1
ISBN978-1-5386-0489-2
KeywordMusic Robust Capon Beamforming Array Signal Processing Spatial Spectrum Estimation Steering Vector Correction
Abstract

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.

Language英语
Citation statistics
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/22823
Collection智能检测与装备研究室
Corresponding AuthorWang, Weifeng
Affiliation1.University of Chinese Academy of Sciences (UCAS), Beijing, China
2.Shenyang Institute of Automation (SIA), Shenyang, China
Recommended Citation
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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