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Performance of Pulse Radar Systems for Crop Yield Monitoring

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  031038,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13713) @2003
Authors:   Karl Wild, Sandro Ruhland, Sieghart Haedicke
Keywords:   Yield monitoring, pulse radar system

Two pulse radar systems were investigated on their suitability for measuring crop yields. For this task a laboratory test rig was developed. Tests were carried out with grass, hay, chopped maize and oats in a laboratory. Calibration lines could be determined with coefficients of determination of up to 99 %. The detected average deviations between the actual and the measured masses ranged from 5 % up to 10 % and above. The magnitude of the errors depended on the sensors working frequency and on the investigated material

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