Waterfall Solutions : Publication Abstract

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Title:

Model validation issues for electro-optic applications

Abstract:

The widespread use of modelling and simulation for the development and assessment of electro-optic (EO) sensors places great importance on the issue of model validation. For results to be used with confidence the models from which they have been produced must be based on sound physical principles and be supported by appropriate validation activity. This paper addresses a number of the key issues relating to model validation.

The first issue is that of what is an appropriate level of validation for EO models, with particular emphasis being given to ground target applications. The role of verification is also considered within this context and recommendations are made for the process of verifying and validating EO models. Next, a number of common validation techniques are reviewed with respect to EO applications before a new technique is proposed that offers visual and numerical validation representations.

Example results from experiments are then presented which allow the comparison of the different validation methods against a variety of models. The paper sums up by drawing conclusions from the results presented about the most appropriate validation techniques for the different model types considered.

Download:

Adobe Acrobat document, 70K

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Authors:

M. I. Smith, Waterfall Solutions, UK;
M. Bernhardt, QinetiQ, UK;
A. E. Pratt, QinetiQ, UK.

Conference:

US Army's (TARDEC) 11th Annual Ground Target Modelling and Validation Conference,
Houghton MI, August 2000.