USA As Represented by Secretary of the Navy

J Michael Picone

Robert R Meier

Jeffrey K Uhlmann

Miguel R Zuniga

The present invention provides a system and method for retrieving ionospheric parameters from dayside disk-viewing measurements of an ultraviolet emission within the upper atmospheric airglow. The invention may provide nowcasting and forecasting information of the ionosphere, which is important for ultraviolet communications.

System and method for retrieving ionospheric parameters from disk-viewing ultraviolet airglow data

A similarity transform method of providing parameterized representation of physical or engineering functions for use in retrieving the engineering or physical functions from data, comprising (a) obtaining samples of the functions from data, numerical simulations, or analytic models, (b) extracting generic function shape information from the samples, (c) embedding the function shape information in a parametric discrete grid-based function representation model (forward model); (d) fitting data with the forward model; and (e) retrieving the function from the fitted forward model. The similarity transform method provides a framework for extracting generic function shape information, in the form of non-dimensional shape function, from data, numerical simulations, or analytic model. Thus, the present invention facilitates analysis of general characteristics of a physical or engineering variable, in terms of the dependence of the variable on other variables or parameters.

Similarity transformation method for data processing and visualization

A method and apparatus for reducing the calculations necessary to track a mber of targets. The invention trades off the magnitude of search radius in parameter space against the number of extra copies made of the track data structure in a manner that inherently saves computation as the number of targets becomes large.

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Falls Church, VA, United States of America

J Michael Picone