Results 31 to 40 of about 28,136 (284)

Activity Recognition Based on Millimeter-Wave Radar by Fusing Point Cloud and Range–Doppler Information

Signals, 2022
Millimeter-wave radar has demonstrated its high efficiency in complex environments in recent years, which outperforms LiDAR and computer vision in human activity recognition in the presence of smoke, fog, and dust. In previous studies, researchers mostly
Yuchen Huang, Wei Li, Zhiyang Dou, Wantong Zou, Anye Zhang, Zan Li   +5 more
doaj   +1 more source

Millimeter-Wave Radars for Environmental Studies [PDF]

Telecommunications and Radio Engineering, 2004
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Vavriv, D.M., Volkov, V.A., Bormotov, V.N., Vynogradov, V.V., Kozhyn, R.V., Trush, B.V., Belikov, A.A., Semenyuta, V.Ye.   +7 more
openaire   +2 more sources

Experimental Results of a 3D Millimeter-Wave Compressive-Reflector-Antenna Imaging System

, 2018
This letter presents the first experimental results of our three-dimensional (3D) millimeter-wave (mm-wave) Compressive-Reflector-Antenna (CRA) imaging system.
Bisulco, A., Gomez-Sousa, Hipolito, Graham, Katherine, Heredia-Juesas, Juan, Martinez-Lorenzo, Jose A., Molaei, Ali, Tirado, Luis, Zhang, Weite   +7 more
core   +1 more source

Advancements and Future Directions of Automotive Radar in Autonomous Vehicles [PDF]

MATEC Web of Conferences
The advancement of autonomous driving hinges on integrated perception systems combining LiDAR, millimeter-wave radar, and ultrasonic radar. LiDAR employs laser scanning (e.g., 905 nm or 1550 nm wavelengths) to achieve centimeter-level 3D environmental ...
Chen Zhiyuan
doaj   +1 more source

Remote Estimation of Blood Pressure Using Millimeter-Wave Frequency-Modulated Continuous-Wave Radar

Sensors, 2023
This paper proposes to remotely estimate a human subject’s blood pressure using a millimeter-wave radar system. High blood pressure is a critical health threat that can lead to diseases including heart attacks, strokes, kidney disease, and vision loss ...
Lovedeep Singh, Sungjin You, Byung Jang Jeong, Chiwan Koo, Youngwook Kim   +4 more
doaj   +1 more source

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

Advanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha, Bilguun Nurzed, Mostafa Berangi, Andre Kuehne, Helmar Waiczies, Igor Fabian Tellez Ceja, Xiang Hu, Thomas Gladytz, Lisa Krenz, Dave Huebler, Beate Endemann, Claudia Brockmann, Ebba Beller, Oliver Stachs, Thoralf Niendorf   +14 more
wiley   +1 more source

Development of RF Hardware and Point Cloud Processing Method for Phased Array Millimeter Wave Radar

IET Signal Processing
The development of smart transportation has raised the demand for perception and detection of vehicle targets on the road, and compared to traditional methods, such as video cameras, millimeter wave radar applications are becoming increasingly widespread.
Zihang Yan, Hua Zhang, Bo Yan, Jingrong Sun   +3 more
doaj   +1 more source

Tramway obstacles detection based on information fusion of MMV radar and machine vision

物联网学报, 2017
A method of obstacle detection based on information fusion of millimeter wave radar and machine vision sensor was proposed.Firstly,the millimeter wave radar and camera calibration,image and radar realize spatiotemporal data synchronization,the target ...
Guang-yao ZHAI, Rong CHEN, Jian-feng ZHANG, Ji-guang ZHANG, Cheng WU, Yi-ming WANG   +5 more
doaj   +2 more sources

Contactless Electrocardiogram Monitoring With Millimeter Wave Radar

IEEE Transactions on Mobile Computing
The electrocardiogram (ECG) has always been an important biomedical test to diagnose cardiovascular diseases. Current approaches for ECG monitoring are based on body attached electrodes leading to uncomfortable user experience. Therefore, contactless ECG monitoring has drawn tremendous attention, which however remains unsolved.
Jinbo Chen, Dongheng Zhang, Zhi Wu, Fang Zhou, Qibin Sun, Yan Chen 0007   +5 more
openaire   +2 more sources

A Scalable Perovskite Platform With Multi‐State Photoresponsivity for In‐Sensor Saliency Detection

Advanced Materials, EarlyView.
A scalable in‐sensor computing platform (32 × 32 array) with ultra‐low variability is developed by incorporating ferroelectric copolymers into halide perovskite thin films. These devices achieve 1000 programmable photoresponsivity states and high thermal reliability.
Xuechao Xing, Anubhab Tripathi, Si En Ng, Natalia Yantara, Yue Gong, Qinjie Wu, Yeow Boon Tay, Wen Siang Lew, Yang Chai, Arindam Basu, Nripan Mathews   +10 more
wiley   +1 more source