Dr. Stephen A. Ketcham
at US Army Engineer Research and Development Ctr
SPIE Involvement:
Author
Publications (2)

Proceedings Article | 1 May 2008
Proc. SPIE. 6963, Unattended Ground, Sea, and Air Sensor Technologies and Applications X
KEYWORDS: Signal to noise ratio, Finite-difference time-domain method, Signal attenuation, Reflectivity, Receivers, 3D modeling, Wave propagation, Distance measurement, Acoustics, Environmental sensing

Proceedings Article | 23 April 2008
Proc. SPIE. 6963, Unattended Ground, Sea, and Air Sensor Technologies and Applications X
KEYWORDS: Statistical analysis, Scattering, Sensors, 3D modeling, Buildings, Wave propagation, Signal processing, Non-line-of-sight propagation, Acoustics, Signal detection

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