TY - JOUR
T1 - Planar sensor for powder grain characterisation
AU - Coutinho, Marcelo S.
AU - Silva, Crislane Priscila N.
AU - Oliveira, Manuelle R.T.
AU - Filho, Hawson V.H.Silva
AU - Machado, Gabriel Goncalves
AU - Melo, Marcos T. de
PY - 2018/8/15
Y1 - 2018/8/15
N2 - This study presents a microwave planar sensor for characterisation of powdered foods. The sensor is based on four coupled resonators designed to have four poles in the frequency range of 1.0-3 GHz. The pole with more sensitivity is used to measure the samples. The frequency characteristics of the sensor are obtained measuring several well-known samples. It is used to estimate the permittivity of six types of grains. The grains are two types of oatmeal, three types of corn and wheat flour. The experimental results have shown a sensitivity of 36 MHz/Fm-1. The estimated permittivity of materials can be used as the preliminary data for further investigation.
AB - This study presents a microwave planar sensor for characterisation of powdered foods. The sensor is based on four coupled resonators designed to have four poles in the frequency range of 1.0-3 GHz. The pole with more sensitivity is used to measure the samples. The frequency characteristics of the sensor are obtained measuring several well-known samples. It is used to estimate the permittivity of six types of grains. The grains are two types of oatmeal, three types of corn and wheat flour. The experimental results have shown a sensitivity of 36 MHz/Fm-1. The estimated permittivity of materials can be used as the preliminary data for further investigation.
UR - https://pure.qub.ac.uk/en/publications/ab51c979-b33f-4be1-a4fc-e4dace6afff1
U2 - 10.1049/iet-map.2018.0138
DO - 10.1049/iet-map.2018.0138
M3 - Article
SN - 1751-8725
JO - IET Microwaves, Antennas and Propagation
JF - IET Microwaves, Antennas and Propagation
ER -