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Download RAW file: https://library.csbe-scgab.ca/docs/journal/34/34_4_327_raw.pdf
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Description: Simultaneous measurement oftwoelectromagnetic waveparameters (magnitudeandphaseshift) of the wave transmitted through the grain sample permits two vari ables of the wheat sample (water concentration and dry grain density)to be determined.Knowledgeof these two variables permits the calculation of the moisture content and the grain bulk density in real time. Although static experiments carried out at 4.8 GHz and 9.4 GHzare described in the paper, the results can be applied in dynamic measurements of flowing grain. The measurement does not require anycontactbetweenthe materialand the equipment, is fast, continu ous, and nondestructive. At these frequencies, the same system calibration was valid for soft and hard red winter wheat grown in different locations in different years. Uncertainty in static calibration is 0.5% moisture at the 95% confidence level.

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Citation: A.W. Kraszewski and S.O. Nelson 1992. WHEAT MOISTURE CONTENT AND BULK DENSITY DETERMINATION BY MICROWAVE PARAMETERS MEASUREMENT. Canadian Agricultural Engineering 34(4):327-335.
Volume: 34
Issue: 3
Pages -
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Date: 1992
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Type: Text.Article
Format: PDF
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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