INFERENCE OF PARTICLE SIZE DISTRIBUTION FUNCTION OF AEROSOL CLOUDS FROM LIGHT SCATTERING MEASUREMENTS

Authors
  1. Yee, E.
Corporate Authors
Defence Research Establishment Suffield, Ralston ALTA (CAN)
Abstract
Perhaps the most versatile and efficient method for inferring the particle size distribution function (PSDF) of aerosol clouds from remote light scattering measurements is the constrained linear inversion procedure due to Philips and Twomey. However, conventional numerical implementations of this procedure are subject to the following two problems: (1) an appropriate discrete approximation must be chosen for the PSDF which adequately achieves the correct balance between the conflicting requirements of resolution of detail in the PSDF and of efficiency in the computation of the solution and (2) a proper value must be selected for the Lagrange multiplier (smoothing parameter) that adequately reflects the tradeoff between the fidelity to the observed optical data and the smoothness of the solution. TRUNCATED
Report Number
DRES-M-1239 — Memorandum
Date of publication
15 Aug 1988
Number of Pages
35
DSTKIM No
88-03814
CANDIS No
57030
Format(s):
Hardcopy;Originator's fiche received by DSIS

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