Chipless RFID sensors for the Internet of Things: Challenges and opportunities

V Mulloni, M Donelli - Sensors, 2020 - mdpi.com
Radio-frequency identification (RFID) sensors are one of the fundamental components of the
internet of things that aims at connecting every physical object to the cloud for the exchange …

Gas sensing by microwave transduction: Review of progress and challenges

F Li, Y Zheng, C Hua, J Jian - Frontiers in Materials, 2019 - frontiersin.org
Microwave transduction is a novel research field in gas sensing owing to its simplicity, low
cost, passive, and non-contact operations that indicate a huge potential in applications for …

A nonintrusive flow rate sensor based on microwave split-ring resonators and thermal modulation

O Niksan, MC Jain, A Shah… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Microwave sensors offer noncontact solutions for flow rate measurements, central to various
applications in pharmaceutics, chemical analysis, and biomedicine. The challenge …

A microwave ring resonator sensor for early detection of breaches in pipeline coatings

MH Zarifi, S Deif, M Abdolrazzaghi… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
A planar microwave resonator sensor is designed, customized, and fabricated to detect
coating breaches in industrial steel pipelines. The sensor, which utilizes a ring-shaped …

[HTML][HTML] Low-cost microwave sensor for characterization and adulteration detection in edible oil

MH Bhatti, MA Jabbar, MA Khan, Y Massoud - Applied Sciences, 2022 - mdpi.com
Featured Application Characterization of liquids especially edible oils and adulteration
detection using dielectric spectroscopy. Abstract A low-cost microwave sensor was designed …

A microwave cavity resonator sensor for water-in-oil measurements

P Sharma, L Lao, G Falcone - Sensors and Actuators B: Chemical, 2018 - Elsevier
Abstract Online monitoring of Water-Liquid Ratio (WLR) in multiphase flow is key in
petroleum production, processing and transportation. The usual practice in the field is to …

High-sensitivity microwave sensor for liquid characterization using a complementary circular spiral resonator

X Zhang, C Ruan, T Haq, K Chen - Sensors, 2019 - mdpi.com
This paper describes a low-cost, small size, and high-sensitivity microwave sensor using a
Complementary Circular Spiral Resonator (CCSR), which operates at around 2.4 GHz, for …

Dynamically tunable planar microwave resonator sensor using liquid metal alloy

MA Rafi, F Niknahad, BD Wiltshire… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Microwave resonant sensors are limited in their current form to a static resonant frequency,
which can lead to misidentification when two materials or mixtures with similar dielectric …

Multi-interface level in oil tanks and applications of optical fiber sensors

AG Leal-Junior, C Marques, A Frizera… - Optical Fiber …, 2018 - Elsevier
On the oil production also involves the production of water, gas and suspended solids,
which are separated from the oil on three-phase separators. However, the control strategies …

Novel improved sensitivity planar microwave probe for adulteration detection in edible oils

NK Tiwari, SP Singh, MJ Akhtar - IEEE Microwave and Wireless …, 2018 - ieeexplore.ieee.org
Novel design of the complementary split ring resonator (CSRR) loaded planar microwave
probe with improved sensitivity is proposed for liquid adulteration detection. As compared to …