Results 91 to 100 of about 22,466 (253)

2-D Localization, Angular Separation and Vital Signs Monitoring Using a SISO FMCW Radar for Smart Long-Term Health Monitoring Environments

IEEE Internet of Things Journal, 2021
A single-input and single-output (SISO) frequency-modulated continuous wave (FMCW) radar architecture is proposed and in vivo demonstrated for remote 2-D localization (range and angular information) and vital signs monitoring of multiple subjects.
M. Mercuri, G. Sacco, Rainer Hornung, Peng Zhang, H. Visser, Martijn Hijdra, Yao-Hong Liu, S. Pisa, B. van Liempd, T. Torfs   +9 more
semanticscholar   +1 more source

Effects of Bandwidth on Millimeter Wave Channel Characteristics and Modeling Analysis in Indoor Scenarios

Radio Science, Volume 60, Issue 10, October 2025.
Abstract This paper presents wideband indoor channel measurements in three of the millimeter wave (mmWave) bands for the fifth generation (5G) and beyond 5G (B5G) wireless systems. Measurements were conducted at the Ka‐band (36–41 GHz) and V‐band (50–75 GHz) in office and factory/industrial environments, using Durham University's custom‐designed ...
Amar Al‐jzari, Sana Salous
wiley   +1 more source

A FMCW-FSK Combined Waveform for Multi-Target Detection in FMCW Radar

DEStech Transactions on Computer Science and Engineering, 2017
Frequency modulated continuous wave (FMCW) radar has been widely applied in many fields. Modulated waveform is usually designed to solve the coupling problem of range and velocity in multi-target situation. A FMCW-FSK combined waveform is proposed in this work, which takes the advantages of FMCW waveform and FSK waveform.
TAO SHEN, WENQUAN CHE, KUAN DENG, WENJIE FENG   +3 more
openaire   +2 more sources

Potential of mm‐Wave Doppler‐Polarimetric Profiler Observations for Quality Assessment of Hydrometeor Classification Schemes

Journal of Geophysical Research: Atmospheres, Volume 130, Issue 11, 16 June 2025.
Abstract Dual‐polarization weather radars have improved the accuracy of precipitation estimates. However, challenges persist in evaluating hydrometeor classification (HMC) algorithms, thereby impacting the accuracy of precipitation estimates.
L. Bogerd, H. Leijnse, A. Overeem, C. M. H. Unal, R. Uijlenhoet, S. van der Veen   +5 more
wiley   +1 more source

Autonomous FMCW Radar Survey of Antarctic Shear Zone [PDF]

, 2010
Radar survey of the Antarctic shear zone was conducted using an ultra-wideband (2-10 GHz) frequency modulated continuous wave (FMCW) radar. The radar was mounted on a sled and pulled by a robot that was specifically designed to operate in a harsh polar ...
Arcone, Steven A., Koh, Gary, Lever, James H., Marshall, Hans-Peter, Ray, Laura E.   +4 more
core   +2 more sources

Approaching the Quantum‐Limited Precision in Frequency‐Comb‐Based Spectral Interferometric Ranging

Laser &Photonics Reviews, Volume 19, Issue 11, June 5, 2025.
Frequency‐comb‐based spectral interferometry is regarded as a promising technology for next‐generation length standards. Here, distance measurements are reported by frequency‐comb‐based spectral interferometry with sub‐nm precision close to a standard quantum limit. the study will be an important step toward the practical realization of upcoming length
Yoon‐Soo Jang, Heulbi Ahn, Sunghoon Eom, Jungjae Park, Jonghan Jin   +4 more
wiley   +1 more source

Proposal of multiple access FMCW radar for inter-radar interference avoidance

The Journal of Engineering, 2019
Inter-radar interference will be a crucial problem when a number of frequency modulated continuous wave (FMCW) radars are densely deployed in future, since it can cause miss detection and false detection of the target due to wideband interference and ...
Mikihiro Kurosawa, Takuya Nozawa, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda, Hiroshi Kuroda   +5 more
doaj   +1 more source

Estimation techniques and simulation platforms for 77 GHz FMCW ACC radars [PDF]

, 2012
International audienceThis paper presents two radar simulation platforms that have been developed and evaluated. One is based on the Advanced Design System (ADS) and the other on Matlab.
Bazzi, Ali, Bodereau, Frantz, Chonavel, Thierry, Galaup, Philippe, Kärnfelt, Camilla, Peden, Alain   +5 more
core   +2 more sources

Shortwave Infrared Light Detection and Ranging Using Silver Telluride Quantum Dots

Advanced Materials, Volume 37, Issue 21, May 26, 2025.
Post‐synthesis surface engineering and doping control significantly improve the performance of Ag₂Te CQD photodiodes, achieving a low dark current of 450 nA cm−2 at −0.5 V, an LDR exceeding 150 dB, and a rapid response speed of ≈25 ns. A proof‐of‐concept LiDAR demonstration in the SWIR using a nanosecond diode laser, achieves decimetre‐level resolution
Yongjie Wang, Hao Wu, Carmelita Rodà, Lucheng Peng, Nima Taghipour, Miguel Dosil, Gerasimos Konstantatos   +6 more
wiley   +1 more source

Enhancing Contactless Respiratory Rate Measurement Accuracy: Integration of 24GHz FMCW Radar and XGBoost Machine Learning

JOIV: International Journal on Informatics Visualization
Advancements in non-contact vital sign monitoring are crucial for enhancing patient measurements' accuracy and overall patient experiences. This research explores the integration of 24GHz Frequency-Modulated Continuous-Wave (FMCW) radar with the XGBoost ...
- Arisandy, Bayu Erfianto, - Setyorini
doaj   +1 more source