3 papers
hep-ex2025
Soil Salinity Frequency-Dependent Prediction Model Using Electrical Conductivity Spectroscopy Measurement
Javad Jafaryahya, Rasool Keshavarz, Tarou Kikuchi +1
Soil salinity is a critical factor influencing agricultural productivity and environmental sustainability, requiring precise monitoring tools. This paper focuses on developing a fr…
eess.SY2024
Efficient Dual-Band Single-Port Rectifier for RF Energy Harvesting at FM and GSM Bands
Nastouh Nikkhah, Rasool Keshavarz, Mehran Abolhasan +2
This paper presents an efficient dual-band rectifier for radiofrequency energy harvesting (RFEH) applications at FM and GSM bands. The single-port rectifier circuit, which comprise…
eess.SP2024
Highly Sensitive Differential Microwave Sensor Using Enhanced Spiral Resonators for Precision Permittivity Measurement
Nastouh Nikkhah, Rasool Keshavarz, Mehran Abolhasan +2
This paper presents a highly sensitive microwave sensor for dielectric sensing. One of the main disadvantages of microwave resonant-based sensors is cross-sensitivity originated by…