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首页> 外文期刊>Sensor Letters: A Journal Dedicated to all Aspects of Sensors in Science, Engineering, and Medicine >Research on the Accuracy and Applicability of the Measurement Method of Tree Canopy Volume Based on Ultrasonic Sensors
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Research on the Accuracy and Applicability of the Measurement Method of Tree Canopy Volume Based on Ultrasonic Sensors

机译：基于超声波传感器的树木冠层体积测量方法的准确性和适用性研究

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摘要

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.
机译：树木冠层的体积是决定可变剂量喷雾系统施药量的重要因素。本研究提出了一种新的冠层体积测量方法。以4种不同树冠形状的树木为实验对象，以人工测量值作为参考值，分析了该方法的准确性和适用性。结果表明，柱形，球形，橄榄形和螺旋形树的自动测量方法的准确度分别为96.67％，93.33％，93.33％和0，这是适用于柱形，球形的自动测量方法和橄榄形树，但不适用于螺旋形树。

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