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Paper Abstract and Keywords
Presentation 2019-05-20 16:15
Improvement of degradation due to echo distortion of ultrasound range super-resolution imaging with carrier frequency sweep
Nguyen Chi Hai, Norio Tagawa (Tokyo Metro. Univ.), Masasumi Yoshizawa (Tokyo Metro. College of Tech.), Takasuke Irie (Microsonic)
Abstract (in Japanese) (See Japanese page) 
(in English) We have implemented this study by evaluating the effect of two things on ultrasound imaging. The first one is proposing the different way of calculating the steering vector that is used for Super-resolution FM-Chirp correlation Method (SCM) afterward. This steering vector is generated by some echoes from some points with different depths around the focal point measured in advance and by interpolating them subsequently. Moreover, we decide to call this method Adaptive SCM. The second one is applying Harmonic whose frequency has several times than the original wave to SCM, instead of the fundamental frequency. Besides that, we also implement according to the original way that uses conventional steering vector and fundamental frequency signals. We show both simulation and experimental results to compare and evaluate the possibility of proposed methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Range super resolution / Carrier frequency sweep / Echo distortion, Harmonics / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 45, US2019-15, pp. 31-34, May 2019.
Paper # US2019-15 
Date of Issue 2019-05-13 (US) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee US  
Conference Date 2019-05-20 - 2019-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2019-05-US 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of degradation due to echo distortion of ultrasound range super-resolution imaging with carrier frequency sweep 
Sub Title (in English)  
Keyword(1) Range super resolution  
Keyword(2) Carrier frequency sweep  
Keyword(3) Echo distortion, Harmonics  
1st Author's Name Nguyen Chi Hai  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
2nd Author's Name Norio Tagawa  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
3rd Author's Name Masasumi Yoshizawa  
3rd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (Tokyo Metro. College of Tech.)
4th Author's Name Takasuke Irie  
4th Author's Affiliation Microsonic Co., Ltd. (Microsonic)
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Date Time 2019-05-20 16:15:00 
Presentation Time 25 
Registration for US 
Paper # IEICE-US2019-15 
Volume (vol) IEICE-119 
Number (no) no.45 
Page pp.31-34 
#Pages IEICE-4 
Date of Issue IEICE-US-2019-05-13 

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