Results 41 to 50 of about 27,516 (298)

L-Band Soil Moisture Retrievals Using Microwave Based Temperature and Filtering. Towards Model-Independent Climate Data Records

Remote Sensing, 2021
The CCI Soil Moisture dataset (CCI SM) is the most extensive climate data record of satellite soil moisture to date. To maximize its function as a climate benchmark, both long-term consistency and (model-) independence are high priorities.
Robin van der Schalie, Mendy van der Vliet, Nemesio Rodríguez-Fernández, Wouter A. Dorigo, Tracy Scanlon, Wolfgang Preimesberger, Rémi Madelon, Richard A. M. de Jeu   +7 more
doaj   +1 more source

Fundamental issues in antenna design for microwave medical imaging applications

, 2010
This paper surveys the development of microwave medical imaging and the fundamental challenges associated with microwave antennas design for medical imaging applications. Different microwave antennas used in medical imaging applications such as monopoles,
Fernando, Michael, K. Busawon, M Elsdon, D. Smith, Busawon, Krishna, Smith, Dave, M. Fernando, Elsdon, Michael   +7 more
core   +1 more source

Near-Field Imaging of Dielectric Components Using an Array of Microwave Sensors

, 2023
Microwave imaging is a high-resolution, noninvasive, and noncontact method for detecting hidden defects, cracks, and objects with applications for testing nonmetallic components such as printed circuit boards, biomedical diagnosis, aerospace components ...
Yuki Gao, Maryam Ravan, Reza K. Amineh
core   +1 more source

A Review of Contemporary Microwave Antenna Sensors: Designs, Fabrication Techniques, and Potential Application

IEEE Access, 2023
This article provides a summary of recent microwave antenna sensor technologies published in peer-reviewed journals. This study primarily focuses on the resonator-based microwave sensor, microwave wearable textile antenna sensors, and resonator-based ...
Muhammad Aziz Ul Haq, Ammar Armghan, Khaled Aliqab, Meshari Alsharari   +3 more
doaj   +1 more source

Multifrequency Subsurface Soil Moisture Retrieval for Forest Flows: A Case Study in Te Hiku, New Zealand

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
A subsurface soil moisture retrieval algorithm, using a pathfinder simultaneously acquired P- and L-band radar data over forested areas, is proposed in this article.
Yu-Huan Zhao, Delwyn Moller, Dean Meason, Mahta Moghaddam   +3 more
doaj   +1 more source

Image reconstruction algorithms for the microwave holographic vision system with reliable gap detection at theoretical limits

EPJ Web of Conferences, 2018
We present a reliable image reconstruction algorithm suitable for a microwave holographic vision system with several sensors coupled to the spin-diode based microwave detector and a single emission source.
Leshchiner Dmitry, Zvezdin Konstantin, Popkov Anatoly, Chepkov Grigory, Perlo Pietro   +4 more
doaj   +1 more source

DC-25 GHz and Low-Loss MEMS Thermoelectric Power Sensors with Floating Thermal Slug and Reliable Back Cavity Based on GaAs MMIC Technology

Micromachines, 2018
Wideband and low-loss microwave power measurements are becoming increasingly important for microwave communication and radar systems. To achieve such a power measurement, this paper presents the design and measurement of wideband DC-25 GHz and low-loss ...
Zhiqiang Zhang, Yao Ma
doaj   +1 more source

A microwave dielectric biosensor based on suspended distributed MEMS transmission lines

, 2009
Design and characterization of a miniature microwave dielectric biosensor based on distributed microelectromechanical systems (MEMS) transmission lines (DMTL) is reported in this paper.
Uttamchandani, D.G., Li, Lijie, Royal Society Research (Funder), Scottish Funding Council under Glasgow Research Partnership in Engineering Scheme (Funder), , Scottish Funding Council under Glasgow Research Partnership in E, Uttamchandani, Deepak, Lijie Li, , Royal Society Research (Funder), Li, L.   +8 more
core   +1 more source

LEDPOS: Indoor Visible Light Positioning Based on LED as Sensor and Machine Learning

IEEE Access
Accurate indoor positioning is becoming increasingly important, especially in highly automated industrial environments with robots. In addition, LED-based lighting is also being used more and more frequently in such application fields.
Christian Fragner, Christian Krutzler, Andreas Peter Weiss, Erich Leitgeb   +3 more
doaj   +1 more source

Ultra-Wideband (UWB) Antenna Sensor Based Microwave Breast Imaging: A Review

Sensors, 2018
Globally, breast cancer is reported as a primary cause of death in women. More than 1.8 million new breast cancer cases are diagnosed every year.
Md. Zulfiker Mahmud, Mohammad Tariqul Islam, Norbahiah Misran, Ali F. Almutairi, Mengu Cho   +4 more
doaj   +1 more source