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공과대학
전자전기공학전공
Journal papers
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In-Place Calibration with Single Measurement in Time-Domain Microwave Breast Imaging
Title
In-Place Calibration with Single Measurement in Time-Domain Microwave Breast Imaging
Authors
Kwon S.
;
Lee S.
Ewha Authors
이승준
SCOPUS Author ID
이승준
Issue Date
2017
Journal Title
IEEE Antennas and Wireless Propagation Letters
ISSN
1536-1225
Citation
IEEE Antennas and Wireless Propagation Letters vol. 16, pp. 206 - 209
Keywords
Calibration
;
clock jitter
;
microwave imaging
;
time-domain measurements
Publisher
Institute of Electrical and Electronics Engineers Inc.
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
Microwave breast imaging requires a calibration process, which extracts the tumor response from the received signal. Existing calibration methods require more than two measurements. In this letter, we propose a calibration method called 'in-place calibration' for time-domain microwave imaging. The method can obtain the received signal and the reference signal in a single measurement with the antenna array in place. It can minimize the measurement errors that occur due to environmental changes during calibration. The method also minimizes the error due to random clock jitter. The proposed in-place calibration is compared to array rotation calibration and differential calibration using homogeneous and heterogeneous breast phantoms. In most cases, in-place calibration provided better results than array rotation calibration. © 2002-2011 IEEE.
DOI
10.1109/LAWP.2016.2569818
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