(6) 直径分布法 直径分布法 直径分布法 直径分布法(Diameter Distribution Method, DDM), 系指利用有效描述胸高直径分布的机率密度函数的 母数,配合树高曲线式、材积式,以求算出各直径 阶材...
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The paper introduces a new method for measuring the radial intensity distribution and the diameter of the Gaussian beam.
本文提出了一种测量高斯激光束径向强度分布及束径的新方法。
The population diameter structure can well be described by using nonparametric kernel method based on the sample data without assuming the population diameter distribution.
应用非参数核密度估计方法,可以由样本直径结构很好地描述总体直径结构,而无需假定总体的直径分布。
The results showed that the image analysis method can obtain the average value and distribution curve of ratio of length to diameter for vilnite powder with needle shape.
研究表明图像分析方法可以直接给出硅灰石针状粉末的平均长径比及不同长径比的分布情况。
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