Microwave Measurements of Moisture Content of Aggregate

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概要

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• An instantaneous method for measuring the moisture content in aggregate such as sand is developed using a microwave open-ended coaxial cavity resonator. We measure the attenuation and frequency shift of resonant peaks of the cavity resonator, which are related to the moisture content of the sand. The standard deviations in the attenuation and frequency shift are 0.30% and 0.14% in the percentage of moisture, respectively. The frequency shift measurement is better than the attenuation measurement to calculate the moisture content.

• 社団法人応用物理学会の論文
• 1994-05-15

著者

• Nakayama Shigeru

  Electrical Science Laboratory Hyogo University Of Teacher Education

関連論文

• Development of Microwave Caliper for Sheet Materials
• Microwave Measurements of Low Pulp Concentration in Paper making Process
• Microwave Measurements of Moisture Content of Aggregate

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