Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/27
Title: | An S-band zero-IF SFCW through-the-wall radar for range, respiration rate, and DOA estimation | Authors: | Acar, Yunus Emre Sarıtaş, İsmail Yaldız, Ercan |
Keywords: | Averaging Delay-Line Cancellation (Adlc) Clutter Rejection Direction Of Arrival (Doa) Localization Radar Respiration Rate (Rr) Vital Signs Fmcw Radar Algorithm |
Publisher: | ELSEVIER SCI LTD | Abstract: | This study presents a Zero-IF structured Stepped Frequency Continuous Wave (SFCW) radar system for range, respiration rate, and DOA estimation of the targets behind the walls. The radar hardware is a combination of SFCW and Uniform Linear Array (ULA) techniques. Four main improvements are done in signal processing. Averaging Delay Line Cancellation (ADLC) is proposed for moving-target indication. As a post-processing solution to the disruptive effects, a self-acting SVD-based algorithm is offered. The displacement signals of the targets are obtained after applying an additional phase extraction and wavelet-based filtering to lessen the phase discontinuities and noises. The Direction of Arrival (DOA) is estimated over the positive and negative range profiles of two separate antenna pairs. The median of these four angle values is used as the final DOA estimation. The performance of the system is tested with more than 150 experiments and compared with state-of-the-art studies. | URI: | https://doi.org/10.1016/j.measurement.2021.110221 https://hdl.handle.net/20.500.13091/27 |
ISSN: | 0263-2241 1873-412X |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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1-s2.0-S0263224121011301-main.pdf Until 2030-01-01 | 3.34 MB | Adobe PDF | View/Open Request a copy |
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