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Calibration Algorithm for Rapid and Nondestructive Moisture Sensing in In-Shell Nuts

Author:
Trabelsi Samir, Lewis Micah A.
Source:
IEEE sensors letters 2019 v.3 no.12 pp. -
ISSN:
2475-1472
Subject:
algorithms, almonds, calibration, dielectric properties, equations, microwave radiation, nondestructive methods, peanuts, rapid methods, seed moisture, sensors (equipment), water content
Abstract:
A new calibration algorithm is presented for instantaneous and nondestructive determination of moisture content in in-shell nuts from measurement of their dielectric properties at a single microwave frequency. The new calibration algorithm relies on the use of a density-independent function, expressed in terms of the dielectric properties, and the existence of a direct relationship between the in-shell moisture content and kernel moisture content. Results of measurement by using a microwave moisture sensor operating at 5.8 GHz are presented and kernel moisture calibration equations are established for peanuts and almonds.
Agid:
6949584
Handle:
10113/6949584