Standing volume automatic accurate measurement method independent of tree species
一种木材、自动的技术,应用在树木的材积领域,能够解决无法达到快速得到一片森林材积、影响单株立木材积准确性、无法观测到树顶等问题,达到量测简单、误差大、减轻工作量的效果
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[0013] First, take any tree as the research object, use the MINI super station instrument as the measuring tool, aim the MINI super station instrument at the root of the trunk and measure the ground diameter d 0 , then aim at the trunk at 1.3m and measure the DBH d 1 , aiming at the diameter d of any place where the trunk can be observed but not the top of the tree 2 and the height h above the ground, and measure the tree height H, where, d 0 , d 1 , and d 2 in centimeters, h 2 , H is in meters. In the case of no occlusion, the top of the tree can be observed at this time, and the height H of the tree can be obtained. Using the digital model ①V=V 1 +V 2 +V 树梢 , where V, V 1 , V 2 , V 树梢 Unit is cubic meter, V 1 represents the bottom with d 0 is the radius, and the upper base is d 1 is the volume of a frustum with a diameter and a height of 1.3 meters; V 2 Indicates that the bottom is d 1 is the diameter, the upper base is d 2 is the diameter, and the height is ...
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