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1. A Modular 61 GHz Vital Sign Sensing Radar System for Long-term Clinical Studies NSTL国家科技图书文献中心

Marvin Wenzel |  Dominik Langer... -  《2024 IEEE Topical Conference on Wireless Sensors and Sensor Networks: IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet 2024), 21-24 January 2024, San Antonio, TX, USA》 -  IEEE Topical Conference on Wireless Sensors and Sensor Networks - 2024, - 18～21 - 共4页

摘要：This paper presents a continuous wave (CW) radar system operating at the 61 GHz ISM (industrial, scientific and medical) band for contactless heart sound monitoring optimized for use in the clinical e...
关键词： Wireless communication |  Wireless sensor networks |  Electrocardiography |  Sensor systems |  Sensors |  Heart rate variability |  Monitoring
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2. The Design Process for Monolithically Manufactured Millimeter-Wave Antenna Arrays Using Stereolithography 3D Printing NSTL国家科技图书文献中心

Dominik Langer |  Bartosz Tegowski... -  《2023 IEEE/MTT-S International Microwave Symposium: IMS 2023, San Diego, California, USA, 11-16 June 2023, [v.1]》 -  IEEE/MTT-S International Microwave Symposium - 2023, - 339～342 - 共4页

摘要：This paper presents a design flow enabling monolithic structures for milimeter-wave (mmW) applications utilizing cost-effective stereolithography (SLA). Particular emphasis is given to the design of c...
关键词： Antenna measurements |  Microwave measurement |  Fabrication |  Three-dimensional displays |  Horn antennas |  Three-dimensional printing |  Microwave antenna arrays
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3. Heart Sound Detection Using an Ultra-Wideband FMCW Radar NSTL国家科技图书文献中心

Marvin Wenzel |  Bartosz Tegowski... -  《2023 IEEE/MTT-S International Microwave Symposium: IMS 2023, San Diego, California, USA, 11-16 June 2023, [v.1]》 -  IEEE/MTT-S International Microwave Symposium - 2023, - 1192～1195 - 共4页

摘要：This paper investigates the detection of vital signs with an ultra-wideband frequency modulated continuous wave (FMCW) radar. In addition to respiration and pulse wave signals, the heart sound signal ...
关键词： Microwave measurement |  Heart rate |  Frequency modulation |  Radar measurements |  Radar detection |  Radar |  Electrocardiography
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4. Characterization of the Influence of Clothing and Other Materials on Human Vital Sign Sensing using mmWave Radar NSTL国家科技图书文献中心

Nils C. Albrecht |  Jan P. Weiland... -  《2023 53rd European Microwave Conference: EuMC 2023, Berlin, Germany, 19-21 September 2023, [v.1]》 -  European Microwave Conference - 2023, - 428～431 - 共4页

摘要：In this work the effects of clothing and other fabric materials such as blankets on radar vital sign measurements are analyzed. The signal loss for six different materials at 61 GHz, 122 GHz and 175 G...
关键词： Frequency modulation |  Radar measurements |  Clothing |  Radar detection |  Moisture |  Fabrics |  Loss measurement
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5. Long-Distance Heart Sound Detection using 122 GHz CW Radar with 3D Printed High-Gain Antennas NSTL国家科技图书文献中心

Nils C. Albrecht |  Markus Heyer... -  《2023 IEEE Radio and Wireless Symposium: IEEE Radio and Wireless Symposium (RWS), 22-25 January 2023, Las Vegas, NV, USA》 -  IEEE Radio and Wireless Symposium - 2023, - 34～36 - 共3页

摘要：This contribution presents a 122 GHz continuous wave (CW) radar system capable of detecting human heart sounds over a distance of at least five meters. A bidirectional long short-term memory (LSTM) ne...
关键词： Antenna measurements |  Meters |  Heart |  Wireless communication |  Three-dimensional displays |  Radar detection |  Radar
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6. Accurate Heart Beat Detection with Doppler Radar using Bidirectional GRU Network NSTL国家科技图书文献中心

Hui Lu |  Markus Heyder... -  《2023 IEEE Radio and Wireless Symposium: IEEE Radio and Wireless Symposium (RWS), 22-25 January 2023, Las Vegas, NV, USA》 -  IEEE Radio and Wireless Symposium - 2023, - 52～54 - 共3页

摘要：Heart rate is one of the most critical and important vital signs in healthcare. While electrocardiography (ECG) is gold-standard procedure for heart rate monitoring, contactless monitoring is preferre...
关键词： Band-pass filters |  Wireless communication |  Wireless sensor networks |  Heart beat |  Radar measurements |  Electrocardiography |  Real-time systems
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7. Contactless In-Bed Movement in Various Scales Classification with CW Radar NSTL国家科技图书文献中心

Hui Lu |  Marvin Wenzel... -  《2023 20th European Radar Conference: EuRAD 2023, Berlin, Germany, 20-22 September 2023》 -  European Radar Conference - 2023, - 306～309 - 共4页

摘要：Continuous wave (CW) radar has been used to detect motions in various scenarios. In this paper, we first present a data-driven method to classify in-bed movement from various scales with CW radar. Dat...
关键词： Radar measurements |  Radar detection |  Radar |  Medical services |  Multilayer perceptrons |  Feature extraction |  Data augmentation
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