Results 61 to 70 of about 121,900 (307)

Wuhan Ionospheric Oblique Backscattering Sounding System and Its Applications—A Review

Sensors, 2017
For decades, high-frequency (HF) radar has played an important role in sensing the Earth’s environment. Advances in radar technology are providing opportunities to significantly improve the performance of HF radar, and to introduce more applications ...
Shuzhu Shi, Guobin Yang, Chunhua Jiang, Yuannong Zhang, Zhengyu Zhao   +4 more
doaj   +1 more source

Agricultural Application Prospect of Fully Polarimetric and Quantification S-Band SAR Subsystem in Chinese High-Resolution Aerial Remote Sensing System

Sensors, 2023
The synthetic aperture radar (SAR) is a type of active radar that can obtain polarization scattering information of ground objects, which is an important supplement to optical remote sensing.
Yabo Liu, Luhao Wang, Shuang Zhu, Xiaojie Zhou, Jia Liu, Binghong Xie   +5 more
doaj   +1 more source

SNR degradation in GNSS-R measurements under the effects of radio-frequency interference [PDF]

, 2016
©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Alonso Arroyo, Alberto, Camps Carmona, Adriano José, Hyuk, Park, Onrubia Ibáñez, Raúl, Pascual Biosca, Daniel, Querol Borràs, Jorge   +5 more
core   +2 more sources

Recent Advances in Programmable Metasurfaces and Meta‐Devices

Advanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao, Chong He, Nan Wang, Liming Si, Weiren Zhu   +4 more
wiley   +1 more source

Assessment of multi-temporal, multi-sensor radar and ancillary spatial data for grasslands monitoring in Ireland using machine learning approaches [PDF]

, 2014
Accurate inventories of grasslands are important for studies of carbon dynamics, biodiversity conservation and agricultural management. For regions with persistent cloud cover the use of multi-temporal synthetic aperture radar (SAR) data provides an ...
Barrett, Brian, Cawkwell, Fiona, Green, Stuart, Nitze, Ingmar   +3 more
core   +1 more source

Smart Flexible Tactile Sensors: Recent Progress in Device Designs, Intelligent Algorithms, and Multidisciplinary Applications

Advanced Intelligent Discovery, EarlyView.
Flexible tactile sensors have considerable potential for broad application in healthcare monitoring, human–machine interfaces, and bioinspired robotics. This review explores recent progress in device design, performance optimization, and intelligent applications. It highlights how AI algorithms enhance environmental adaptability and perception accuracy
Siyuan Wang, Ming Dong, Rongrong Bao, Caofeng Pan   +3 more
wiley   +1 more source

Microwave Sensor Technologies for Road Surface Classification: A Comprehensive Review

IET Radar, Sonar & Navigation
This paper presents a comprehensive review of advancements in road surface classification technology utilising automotive microwave sensors, covering both active radar and passive radiometry, along with data analysis techniques.
Aleksandr Bystrov, Fatemeh Norouzian, Edward Hoare, Viktor Djigan, Marina Gashinova, Mikhail Cherniakov   +5 more
doaj   +1 more source

Lidar‐Based Object Tracking of Traffic Participants with Sensor Nodes in Existing Urban Infrastructure

Advanced Intelligent Systems, EarlyView.
This paper presents a lidar‐based sensor node design and a rule‐based state observer for edge‐based traffic participant tracking. Unlike other state‐of‐the‐art methods, this state observer enables real‐time, CPU‐only edge processing without relying on machine learning approaches.
Simon Schäfer, Bassam Alrifaee, Ehsan Hashemi   +2 more
wiley   +1 more source

Surface Properties of Sediments at the 2014–2015 Holuhraun Lava Flow-field: Insights from Multiwavelength Radar

The Planetary Science Journal
Redistribution of sediments can lead to mantling of geologic features. This can obscure the original texture of lava flows, making it difficult to understand their emplacement conditions based on remote sensing data alone.
Reid P. Perkins, Shannon M. Hibbard, Catherine D. Neish, Christopher W. Hamilton, Bruce A. Campbell   +4 more
doaj   +1 more source

Vibrometry and Sound Reproduction of Acoustic Sources on Moving Platforms Using Millimeter Wave Pulse-Doppler Radar

IEEE Access, 2020
This paper presents millimeter wave (MMW) pulse-Doppler radar for the remote sensing of acoustic vibration for targets in motion. A key advance in this work is the development of precision motion compensation for MMW vibrometry, making it possible for a ...
Christopher T. Rodenbeck, Joshua B. Beun, Raghu G. Raj, Ronald D. Lipps   +3 more
doaj   +1 more source