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http://dx.doi.org/10.7776/ASK.2014.33.3.200

Analysis of Ultrasound Synthetic Transmit Focusing Using Plane Waves  

Lee, Jong Pil (서강대학교 전자공학과)
Song, Jae Hee (서강대학교 서강미래기술연구원 의료기술연구소)
Song, Tai-Kyong (서강대학교 전자공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.33, no.3, 2014 , pp. 200-209 More about this Journal
Abstract
In this paper, we present a general model for synthetic transmit focusing method using plane waves (STF-PW) of which the properties are investigated through mathematical analysis and compared with those of the conventional focusing method. The analysis results show that STF-PW produces non-diffracting beams in the sense that their main lobe widths do not change with depth. We also present a method for synthesis of plane waves to obtain a desired main lobe width while preventing grating lobe generation and a method for broadening the region over which the non-diffracting property is maintained. The proposed model and analysis results were validated through computer simulations.
Keywords
Ultrasound imaging; Plane wave; Synthetic focusing; Non-diffraction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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