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Optimal Linear Control over Channels with Signal-to-Noise Ratio Constraints

We consider a networked control system where a linear time-invariant (LTI) plant, subject to a stochastic disturbance, is controlled over a communication channel with colored noise and a signal-to-noise ratio (SNR) constraint. The controller is based on output feedback and consists of an encoder that measures the plant output and transmits over the channel, and a decoder that receives the channel

Calculating the Physical Bounds for Antennas Above a Ground Plane

The physical bounds for antennas above a ground plane is analyzed in this paper. Optimal antenna G/Q ratio and Q factor are calculated using convex optimization from stored electric and magnetic energy matrices, obtained from a method of moments solver. Physical bounds for a patch antenna with different heights above a ground plane are investigated. Results are verified using commercially availabl

Pose Estimation with Radial Distortion and Unknown Focal Length

This paper presents a solution to the problem of pose estimation in the presence of heavy radial distortion and a potentially large number of outliers. The main contribution is an algorithm that solves for radial distortion, focal length and camera pose using a minimal set of four point correspondences between 3D world points and image points. We use a RANSAC loop to find a set of inliers and an i

Re-exportförbud - ett genmäle till Ole-Andreas Rognstad

Den naturliga invändningen mot Ole-Andreas Rognstads kommentar i nummer 3 av ERT till min artikel om re-exportförbud är att min artikeln inte behandlar en konflikt mellan Silhouette och konkurrensrätten och jag påstår inte heller, som Rognstad gör gällande, att senare tids domar ger uttryck för ett nytt rättsläge i förhållandet mellan varumärkesrätten och konkurrensrätten. Syftet med artikeln är,