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Getachew Kirose


Click on the titles below to find US government-authored or -collected reports written by Getachew Kirose

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Model-guided Examination of Human Signatures Produced by an Array-based Radar System Nov 2009 14 pages
Authors:  Kenneth Ranney; Calvin Le; Getachew Kirose; Anders Sullivan; ARMY RESEARCH LAB ADELPHI MD SENSORS AND ELECTRON DEVICES DIRECTORATE
The full text of this report is available for sale.We adapt X-patch models and processing to produce moving target indication (MTI) signatures that better represent those produced by an array-based system. We then consider the resulting data as a function of both depression angle and azimuth (or viewing) angle.


Animating a Human Body Mesh with Maya for Doppler Signature Computer Modeling Jun-2009 20 pages
Authors:  Getachew Kirose; ARMY RESEARCH LAB ADELPHI MD SENSORS AND ELECTRON DEVICES DIRECTORATE
The full text of this report is available for sale.The Maya software package has been used by researchers at the U.S. Army Research Laboratory (ARL) to create human body motion animation for the purpose of simulating the radar signature of a moving human target. This report describes how to use Maya's powerful graphics user interface (GUI) in order to create realistic frame-by-frame animation of a human mesh in walking motion. The examples presented here also include a human equipped ...


Time-Frequency Analysis of a Moving Human Doppler Signature Feb-2009 34 pages
Authors:  Traian Dogaru; Calvin Le; Getachew Kirose; ARMY RESEARCH LAB ADELPHI MD SENSORS AND ELECTRON DEVICES DIRECTORATE
The full text of this report is available for sale.In this report we analyze the Doppler signature of a moving human with the purpose of finding temporal change patterns that would allow detection and classification of movers. The analysis is based on computer models that simulate the operation of a pulse-Doppler radar. We start with an animated human mesh in walking motion and compute the frame-by-frame radar return using electromagnetic solvers such as the Finite Difference Time Domain (FDTD). ...


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