Highly Sensitive Differential Microwave Sensor Using Enhanced Spiral Resonators for Precision Permittivity Measurement

N Nikkhah, R Keshavarz, M Abolhasan… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
This article presents a highly sensitive microwave sensor for dielectric sensing. One of the
main disadvantages of microwave resonant-based sensors is cross sensitivity originated by …

A Flexible and Biodegradable Graphene Oxide Antenna Sensor for Monitoring Subsoil Health

VP Singh, K Kandasamy… - ACS Applied Nano …, 2024 - ACS Publications
In this paper, a flexible graphene oxide-based antenna sensor is designed on the
biodegradable substrate. It resonates at a frequency of 3.92 GHz. The flexible sensor is used …

Highly sensitive screen-printed soil moisture sensor array as green solutions for sustainable precision agriculture

A Ullah, M Zubair, MH Zulfiqar, W Kamsong… - Sensors and Actuators A …, 2024 - Elsevier
Monitoring soil moisture in real-time is an important parameter that helps farmers decide to
enhance agriculture productivity and reduce resource wastage for better production and …

In Situ Wide-Range Permittivity Measurement: Compact, Cost-Effective, and Highly Sensitive Sensor Using Reconfigurable Phase Shifter

R Keshavarz, N Nikkhah… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This work presents a low-cost, compact-size and highly sensitive sensor based on a
Reconfigurable Phase Shifter (RPS) that is designed, simulated, fabricated and tested using …

Precision Agriculture: Ultra-Compact Sensor and Reconfigurable Antenna for Joint Sensing and Communication

A Raza, R Keshavarz, N Shariati - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this article, a joint sensing and communication system is presented for smart agriculture.
The system integrates an ultra-compact soil moisture sensor (UCSMS) for precise sensing …

Dual-band microwave sensor for sensing application of microfluidic based on transmission line loaded pair of SIR resonators

W Liu, L Xu - IEEE Transactions on Instrumentation and …, 2024 - ieeexplore.ieee.org
In this article, we propose two miniaturized dual-band microwave sensors for the sensing
application of microfluidics. The two dual-band sensors are constructed by a microstrip line …

Enabling Wireless Communications, Energy Harvesting, and Energy Saving by Using a Multimode Smart Nonlinear Circuit (MSNC)

R Keshavarz, DL Sounas, S Keshavarz… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this article, a multimode smart nonlinear circuit (MSNC) for wireless communications
(transmitting (Tx) and receiving (Rx) modes) as well as energy harvesting (EH) and power …

Hairpin Resonator Based Microwave Sensor for Detection of Nitrogenous Fertilizers in Soil and Water

A Kundu, SMRH Shawon, S Kapali… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Overapplication of nitrogenous fertilizers causes a detrimental impact on the environment,
particularly on soil and water. As an accurate yet cost-effective solution, this work presents a …

Preliminary Design and Test of a Microwave Inline Moisture Sensor for the Carasau Bread Industry

G Muntoni, MB Lodi, A Fedeli, A Melis… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Within the framework of the recent agri-food technological advancement, the design and
validation of a methodology for the water content estimation in the Carasau bread …

Prototype of Circular Split Ring Resonator based Sensor for Estimating Soil Moisture as a Function of Soil Particle Distribution

S Kaur, S Singh, MM Sinha - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Soil particle size significantly influences the water-holding capacity of the soil. Smaller
particles have a greater ability to retain water compared to larger particles. As a result, the …