Abstract

Based on the shape structure and the pulse signal’s characteristic parameters, aerosols’ statistical models are established in this chapter. The counting distributions of aerosols’ scattering pulse signals are measured by using a counting device with 2048 uniform voltage channels. The experimental results show that the counting distributions obey the lognormal distribution with the natural number as the independent variable. On this basis, the relations of counting distributions between the aerosols’ projection area characteristic parameters and the scattering pulse signals’ characteristic parameters are discussed. Then, the statistical fractal characteristic of the pulse signals’ different parameters is deduced; besides, the physical meaning and the calculation method of the fractal dimension are presented.

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