[HTML][HTML] Techniques to improve the performance of planar microwave sensors: A review and recent developments

M Abdolrazzaghi, V Nayyeri, F Martin - Sensors, 2022 - mdpi.com
Planar microwave sensors have become increasing developed in recent decades,
especially in material characterization (solid/liquid) as they provide regions highly sensitive …

Review of recent microwave planar resonator-based sensors: Techniques of complex permittivity extraction, applications, open challenges and future research …

RA Alahnomi, Z Zakaria, ZM Yussof, AA Althuwayb… - Sensors, 2021 - mdpi.com
Recent developments in the field of microwave planar sensors have led to a renewed
interest in industrial, chemical, biological and medical applications that are capable of …

AI-assisted ultra-high-sensitivity/resolution active-coupled CSRR-based sensor with embedded selectivity

M Abdolrazzaghi, N Kazemi, V Nayyeri, F Martin - Sensors, 2023 - mdpi.com
This research explores the application of an artificial intelligence (AI)-assisted approach to
enhance the selectivity of microwave sensors used for liquid mixture sensing. We utilized a …

High-resolution, sensitivity-enhanced active resonator sensor using substrate-embedded channel for characterizing low-concentration liquid mixtures

S Mohammadi, KK Adhikari, MC Jain… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Sensitivity and resolution are important parameters that pose a significant challenge in using
microwave microfluidic sensors to monitor low-concentration binary liquid mixtures. This …

Ultrahigh-sensitivity microwave microfluidic sensors based on modified complementary electric-LC and split-ring resonator structures

WJ Wu, WS Zhao, DW Wang, B Yuan… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
The paper proposes an ultrahigh sensitivity microwave sensor for retrieving the complex
permittivity of the liquid sample. The proposed sensor originally evolves from the …

Differential microwave resonator sensor for real-time monitoring of volatile organic compounds

S Mohammadi, MH Zarifi - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
In this work, a noninvasive microwave gas sensor suitable for accurate and real-time
tracking of volatile organic compounds concentration is presented. The proposed differential …

Low-cost CSRR based sensor for determination of dielectric constant of liquid samples

A Buragohain, ATT Mostako, GS Das - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
In this work, we have designed and fabricated low-cost microwave sensor for the
determination of the dielectric constant of liquid samples with high accuracy. The biggest …

Inverse modeling and optimization of CSRR-based microwave sensors for industrial applications

T Haq, S Koziel - IEEE Transactions on Microwave Theory and …, 2022 - ieeexplore.ieee.org
Design optimization of multivariable resonators is a challenging topic in the area of
microwave sensors for industrial applications. This article proposes a novel methodology for …

A reflective-mode phase-variation displacement sensor

J Muñoz-Enano, P Vélez, L Su, M Gil-Barba… - IEEE …, 2020 - ieeexplore.ieee.org
In this paper, a displacement sensor based on an open-ended step-impedance transmission
line is reported. The sensor operates in reflection, and the output variable is the phase of the …

Rapid design optimization and calibration of microwave sensors based on equivalent complementary resonators for high sensitivity and low fabrication tolerance

T Haq, S Koziel - Sensors, 2023 - mdpi.com
This paper presents the design, optimization, and calibration of multivariable resonators for
microwave dielectric sensors. An optimization technique for the circular complementary split …