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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, SollipLee, Seungjun
Ewha Authors
이승준
SCOPUS Author ID
이승준scopus
Issue Date
2017
Journal Title
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
ISSN
1536-1225JCR Link1548-5757JCR Link
Citation
vol. 16, pp. 206 - 209
Keywords
Calibrationclock jittermicrowave imagingtime-domain measurements
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Indexed
SCIE; SCOPUS WOS
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.
DOI
10.1109/LAWP.2016.2569818
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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