Search
Now showing items 11-20 of 68
Solving non-linear Boolean equation systems by variable elimination
(2019-08-17)
In this paper we study Boolean equation systems, and how to eliminate variables from them while bounding the degree of polynomials produced. A procedure for variable elimination is introduced, and we relate the techniques ...
Linear motion of multiple superposed viscous fluids
(2019-04-16)
In this paper the small-amplitude motion of multiple superposed viscous fluids is studied as a linearized initial-value problem. The analysis results in a closed set of equations for the Laplace transformed amplitudes of ...
GO-CFAR Trained Neural Network Target Detectors
(2019)
Detecting targets embedded in noise and clutter is an essential task for many radar systems. A competent system must additionally offer high probability of detection with a low false alarm rate and a standard practice is ...
Single-point structure tensors in turbulent channel flows with smooth and wavy walls
(2019-10-06)
A long-standing problem in turbulence modeling is that the Reynolds stress tensor alone is not necessarily sufficient to characterize the transient and nonequilibrium behaviors of turbulence under arbitrary mean deformation ...
Passive Radar detection of small UAV over sea
(2019-07-22)
During a trial over the Trondheim-fjord in Norway fall 2018, aDVB-T based passive radar system was used for detecting a small unmanned aerial vehicle (UAV) over sea. The measurements show a possible detection range of 1 ...
3-D Printed Monolithic GRIN Dielectric-Loaded Double-Ridged Horn Antennas
(2019-09-06)
Monolithic integration of 3-D printed gradient index (GRIN) dielectric loading with a double-ridged rectangular horn standard gain horn (SGH) and its impact on antenna performance are demonstrated. Results show that the ...