Abstract
In order to improve the inversion precision of aerosol mass
concentrations based on the particle group light scattering method, the
concept that particles through a laser beam are equivalent to an aggregate
is proposed. A fractal model for aerosol mass concentration using the
signal amplitude distribution of aggregates is presented, and then the
subsection calibration method is given. The experimental results show that
the mass concentrations inversed by this model agree well with those
measured by the norm-referenced instrument. The average relative errors of
the two experiments are 5.6% and 6.0%, respectively, which are less than
those obtained by the conventional inversion model.
© 2016 Chinese Laser Press
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