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Research on the Accuracy and Applicability of the Measurement Method of Tree Canopy Volume Based on Ultrasonic Sensors

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Tree canopy volume was a very important factor to determine the application rate of variable rate spraying system. A new measurement method of canopy volume was presented in this research. Four kinds of trees with different canopy shapes were chosen as the experimental objects, and the manual measurement values were taken as the reference values to analyze the accuracy and applicability of the new method. Results indicated that the accuracy of the automatic measurement method for column shape, spheral shape, olivary shape and spiry shape trees were 96.67%, 93.33%, 93.33% and 0 respectively, that is the automatic measurement method was applicable for column shape, spheral shape and olivary shape trees, but not applicable for spiry shape trees.
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Document Type: Research Article

Publication date: 2012-01-01

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  • The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
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