Zobrazeno 1 - 10
of 2 646
pro vyhledávání: '"Impulse Radio"'
Publikováno v:
IEEE Access, Vol 12, Pp 135642-135650 (2024)
This paper presents the design methodology for an antipodal Vivaldi antenna (AVA) catered to emit an impulse-like waveform, relevant for near-field imaging in impulse-radio ultra-wideband (IR-UWB) radar systems. The focus of the proposed design is to
Externí odkaz:
https://doaj.org/article/55bcc5511de74419af5dc18e5d1f9ee6
Autor:
Yizhu Wang, Jing Liang
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 14208-14218 (2024)
The impulse-radio ultra-wideband (IR-UWB) radar is ideally suitable for noncontact monitoring of respiratory rate and heart rate due to its noninvasive nature and high penetration capabilities. This investigation proposes a novel framework using the
Externí odkaz:
https://doaj.org/article/808e6ba5585c4565b8699456f6062309
Publikováno v:
Sensors, Vol 24, Iss 19, p 6210 (2024)
Mental distress-induced imbalances in autonomic nervous system activities adversely affect the electrical stability of the cardiac system, with heart rate variability (HRV) identified as a related indicator. Traditional HRV measurements use electroca
Externí odkaz:
https://doaj.org/article/f02cdb5988e743598118456568edfe54
Autor:
Wei-Ping Hung, Chia-Hung Chang
Publikováno v:
Sensors, Vol 24, Iss 17, p 5555 (2024)
This paper presents a real-time and non-contact dual-mode embedded impulse-radio (IR) ultra-wideband (UWB) radar system designed for microwave imaging and vital sign applications. The system is fully customized and composed of three main components,
Externí odkaz:
https://doaj.org/article/c0e37cad6cf0400f951a0c45d9b033e7
Publikováno v:
IEEE Access, Vol 11, Pp 144844-144859 (2023)
Several sensing techniques have been proposed for silent speech recognition (SSR); however, many of these methods require invasive processes or sensor attachment to the skin using adhesive tape or glue, rendering them unsuitable for frequent use in d
Externí odkaz:
https://doaj.org/article/93caa324b15a402f86b219aa1f5e8b9f
Autor:
Hyun Bin Kwon, Dongyeon Son, Dongseok Lee, Heenam Yoon, Mi Hyun Lee, Yu Jin Lee, Sang Ho Choi, Kwang Suk Park
Publikováno v:
IEEE Access, Vol 10, Pp 17556-17564 (2022)
Polysomnography (PSG) is the gold-standard for sleep apnea and hypopnea syndrome (SAHS) diagnosis. Because the PSG system is not suitable for long-term continuous use owing to the high cost and discomfort caused by attached multi-channel sensors, alt
Externí odkaz:
https://doaj.org/article/fd3f91956bee45de83fb9123fabd5242
Akademický článek
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Akademický článek
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Publikováno v:
Sensors, Vol 23, Iss 12, p 5632 (2023)
Radar-based personal identification and fall detection have received considerable attention in smart healthcare scenarios. Deep learning algorithms have been introduced to improve the performance of non-contact radar sensing applications. However, th
Externí odkaz:
https://doaj.org/article/6fe19a8fe8c94a33aa9fdd365839cec1
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2021, Iss 1, Pp 1-19 (2021)
Abstract In this paper, the influence of seasonal variation on target detection accuracy and the effectiveness of deep factor analysis (DFA) in signal denoising are studied. To extensively verify the universality of the DFA_based approach, a variety
Externí odkaz:
https://doaj.org/article/550de8e16bfe4e7ebf53d058417d73ad