NDLI: Method of ultrasonic phased array imaging based on segment amplitude apodization

Content Provider	IEEE Xplore Digital Library
Author	Jianqiang Guo Lin Chen Yu Zhang Kai Yang Jinlong Li Xiaorong Gao
Copyright Year	2013
Description	Author affiliation: Sch. of Phys. Sci. & Technol., Southwest Jiaotong Univ., Chengdu, China (Jianqiang Guo; Lin Chen; Yu Zhang; Kai Yang; Jinlong Li; Xiaorong Gao)
Abstract	Single amplitude apodization technology applied in ultrasound imaging system can obtain better imaging resolution only within a certain distance, outside of this range the resolution is significantly lower, while using segment dynamic apodization technique can make up for this shortfall. Therefore, we make an analysis and research on the basis of the beams about the 3 dB equivalent distribution with a variety of single amplitude apodization functions, and observe to come to the best imaging resolution range for each function, then calculate the dynamic weighting value by establishing a linear phased array sound field simulation model, thus find a way to achieve segment dynamic amplitude apodization, and draw the 3 dB contour and the distribution of sound field to prove the feasibility of this technique.
Starting Page	181
Ending Page	188
File Size	912732
Page Count	8
File Format	PDF
ISBN	9781467360180
e-ISBN	9781467360203
DOI	10.1109/FENDT.2013.6635552
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Ultrasonic phased array Image resolution Ultrasonic imaging Imaging Acoustic field directivity function Acoustics Acoustic beams Arrays Amplitude apodization Segment dynamic apodization
Content Type	Text
Resource Type	Article

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