There is a linear relationship between differential reflectivity ZDR and the shape factor defined as the ratio of the horizontal scale to the vertical scale of a particle.
球锥扁椭球形冰粒的差反射率因子与粒子形状参数水平-垂直尺度比呈很好的线性正相关。
2
By means of two images of the same pair of parallel lines that are vertical and horizontal respectively, the scalefactor can be calculated.