Results 21 to 30 of about 19,546 (260)

Microwave Differential Frequency Splitting Sensor Using Magnetic-LC Resonators

Sensors, 2020
A differential microwave permittivity sensor and comparator is designed using a microstrip transmission line loaded with a magnetic-LC resonator. The microstrip transmission line is aligned with the electric wall of the resonator.
Amir Ebrahimi, Grzegorz Beziuk, James Scott, Kamran Ghorbani   +3 more
doaj   +1 more source

Implementation of a Rainfall Normalization Module for GSMaP Microwave Imagers and Sounders

Remote Sensing, 2022
This paper introduces the Method of Microwave Rainfall Normalization (MMN) for the Global Satellite Mapping of Precipitation (GSMaP) algorithm in its latest version (V05, algorithm version 8), released in December 2021.
Munehisa K. Yamamoto, Takuji Kubota
doaj   +1 more source

Low-Sidelobe Pattern Synthesis for Sparse Conformal Arrays Based on PSO-SOCP Optimization

IEEE Access, 2018
This paper addresses the constrained multi-objective optimization problem of sparse conformal arrays designing. The objective of array synthesis is to find an optimal element arrangement on a conformal surface and its associated excitation strategy ...
Hailin Li, Yachao Jiang, Yuan Ding, Jing Tan, Jianjiang Zhou   +4 more
doaj   +1 more source

Multi-Feed Holographic-Based Leaky Wave Antennas for MIMO-Radar Applications

IEEE Journal of Microwaves
This paper presents the integration and experimental validation of a multi-feed holographic-based leaky wave antenna (HLWA) array into an automotive MIMO radar system.
Thomas Frey, Nico Riese, Dominik Schwarz, Maximilian Doring, Christian Waldschmidt, Tobias Chaloun   +5 more
doaj   +1 more source

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

Development of a Dynamically Re-Configurable Radio-Frequency Interference Detection System for L-Band Microwave Radiometers

Sensors
Real-Time RFI Detection and Flagging (RT-RDF) for microwave radiometers is a versatile new FPGA algorithm designed to detect and flag Radio-Frequency Interference (RFI) in microwave radiometers. This block utilizes computationally-efficient techniques to
Adrian Perez-Portero, Jorge Querol, Andreu Mas-Vinolas, Adria Amezaga, Roger Jove-Casulleras, Adriano Camps   +5 more
doaj   +1 more source

Chiral metamaterial-based microwave sensors

Engineering and Applied Science Research, 2017
A significant resonance shift is found in both reflection and transmission coefficients from both parallel and perpendicular excitations in a helical structure.
Nantakan Wongkasem, Amornthep Sonsilphong, Mario Gonzalez   +2 more
doaj   +1 more source

Monolithic Microwave-Microfluidic Sensors Made with Low Temperature Co-Fired Ceramic (LTCC) Technology

Sensors, 2019
This paper compares two types of microfluidic sensors that are designed for operation in ISM (Industrial, Scientific, Medical) bands at microwave frequencies of 2.45 GHz and 5.8 GHz. In the case of the first sensor, the principle of operation is based on
Karol Malecha, Laura Jasińska, Anna Grytsko, Kamila Drzozga, Piotr Słobodzian, Joanna Cabaj   +5 more
doaj   +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