Zobrazeno 1 - 10
of 1 529
pro vyhledávání: '"Frequency modulated continuous wave (FMCW)"'
Autor:
Xiaoyu Luo, Qiusheng Li
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Addressing the issue of low recognition accuracy in human motion detection when relying on a single feature, a novel approach integrating Frequency Modulated Continuous Wave (FMCW) radar technology with a Residual Network (ResNet) architectu
Externí odkaz:
https://doaj.org/article/eaa88ba9f91e418797c469828a9b0798
Autor:
Yubing YUAN, Shengbo YE, Yicai JI, Bo LIN, Xiao LIANG, Xinhui LI, Xiaojun LIU, Guangyou FANG, Chaopeng LUO, Rongqi LYU
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 822-837 (2024)
Ultra-wideband through-wall radar, leveraging its ability to penetrate walls, can be used together with Multiple-Input Multiple-Output (MIMO) technology to image hidden targets behind walls. This approach provides rich information for detecting and l
Externí odkaz:
https://doaj.org/article/4921c6eb64334285b5f8641471365587
Publikováno v:
Data in Brief, Vol 57, Iss , Pp 111027- (2024)
The dataset presents the raw data of respiration and heartbeat of two human subjects monitored by 60GHz Frequency-Modulated Continuous Wave (FMCW) radar and the validation data obtained by the electrocardiogram (ECG) front-end. During the radar-based
Externí odkaz:
https://doaj.org/article/9aef4a8c117145709b9524dcf66497d9
Autor:
Thomas Newman, Julienne C. Stroeve, Vishnu Nandan, Rosemary C. Willatt, James B. Mead, Robbie Mallett, Michel Tsamados, Marcus Huntemann, Stefan Hendricks, Gunnar Spreen, Rasmus T. Tonboe
Publikováno v:
IEEE Access, Vol 12, Pp 174901-174933 (2024)
This paper presents a practical step-by-step approach to Frequency Modulated Continuous Wave (FMCW) radar nonlinearity correction (deconvolution), utilizing surface-based Ku- and Ka-band radar data collected over nilas ice within a newly-opened sea i
Externí odkaz:
https://doaj.org/article/c4f725202deb40b1b7cfb7698f3ccd95
Non-Contact Heartbeat and Respiration Signal Detection Based on Improved Variational Mode Extraction
Publikováno v:
IEEE Access, Vol 12, Pp 106550-106566 (2024)
Vital signs, such as heart rate (HR) and respiration rate (RR) are essential indicators of human body function and health. Most medical systems for estimating HR and RR necessitate direct contact with the human body, which potentially causes discomfo
Externí odkaz:
https://doaj.org/article/a8c382e29b02437aa084a8f1b11d29b1
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 3, Pp 473-485 (2024)
Harmonic radar systems are highly effective at distinguishing specific targets from surrounding clutter. Therefore, the reception of a tag response, conventionally at the second harmonic, is utilized. Thus, necessitating two bands with that specific
Externí odkaz:
https://doaj.org/article/f9c1e92e7f3f4da1af5d947176dd0c13
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 3, Pp 1-8 (2024)
This paper examines the potential of utilizing a Faraday anomalous dispersion optical filter (FADOF) to enhance noise reduction in a FMCW LiDAR (Frequency-Modulated Continuous-Wave Laser Detection And Ranging) system. While the FMCW LiDAR itself demo
Externí odkaz:
https://doaj.org/article/913757bb3d924bb593fb409b293a8bda
Autor:
Peter Brotzer, Daniel Henke, David Small, Emiliano Casalini, Sebastien Guillaume, Rolf Vogt, Elias Mendez Dominguez
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 2360-2371 (2024)
The demand for drone-based synthetic aperture radar (SAR) systems is growing, especially for applications in cases where satellites or airborne systems are not sufficiently flexible. However, the combination of a long operating range and high spatial
Externí odkaz:
https://doaj.org/article/b164d5cc6e2148109babdb7750d59c56
Publikováno v:
Sensors, Vol 24, Iss 11, p 3548 (2024)
Vital sign monitoring is dominated by precise but costly contact-based sensors. Contactless devices such as radars provide a promising alternative. In this article, the effects of lateral radar positions on breathing and heartbeat extraction are eval
Externí odkaz:
https://doaj.org/article/fb5f462e08f84097962a940b05a7a971
Publikováno v:
IEEE Access, Vol 11, Pp 84241-84257 (2023)
The technology of non-contact heart rate detection has been proven of great use. However, it is still limited by several challenges, particularly the influence of human motion and random disturbances, which significantly degrade the accuracy of the m
Externí odkaz:
https://doaj.org/article/5308b03b9dbe48a4a74c2583f1053fbd