Microwave system for moisture mapping by a linear array of slot sensors

Microwave system for moisture mapping by a linear array of slot sensors

A linear array of microwave sensors for moisture content mapping in thin or thick material sheets is introduced. The array building block is represented by a straight microstrip line electromagnetically coupled to a resonant slot structure properly loaded by two PIN diodes. Each array element consti...

Full description

Saved in:
Bibliographic Details
Published in:2nd ISA/IEEE Sensors for Industry Conference pp. 32 - 34
Main Authors: Biffi Gentili, G., Avitabile, G., Riminesi, C., Sottani, N., Tesi, V.
Format: Conference Proceeding
Language:English
Published: IEEE 2002
Subjects:
Diodes
Electromagnetic coupling
Microstrip antenna arrays
Microwave antenna arrays
Microwave sensors
Moisture
Resonance
Sensor arrays
Sensor systems
Sheet materials
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A linear array of microwave sensors for moisture content mapping in thin or thick material sheets is introduced. The array building block is represented by a straight microstrip line electromagnetically coupled to a resonant slot structure properly loaded by two PIN diodes. Each array element constitutes a single slot sensor interacting with the material under test by means of the fields radiated through the slot. When the diodes are in the ON state, each sensor and, thus, the whole array, acts like a low loss transmission line. Otherwise, when the diodes are in the OFF state, the slots are allowed to resonate. Switching the array elements one at a time, the array electronically scans the specimen under test.
ISBN:1556178344
9781556178344
DOI:10.1109/SFICON.2002.1159801