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Current optimization provides bounds on the antenna performance and suggestions for distributions of optimal antenna currents. Many current optimization problems can be formulated as convex optimization problems. The formulations as convex optimization problems are advantageous as there are efficient solvers with explicit posterior error bounds and the problems are easily generalized to specific a
We have investigated the detuning of the antennas and the ear-to-ear link loss for the in-the-ear (ITE) binaural hearing aids considering the different heterogeneous human phantoms through FDTD simulations. It was found that the resonance frequency shifts differently for different phantoms and between the ears within the same phantom. The ear-to-ear link loss between the antennas for the homogeneo
Moisture inside the footwear can considerably affect the thermal insulation. In this study with a thermal foot model there was simulated three sweat rates (3, 5 and 10 g/h). Five types of footwear with various insulation levels (dry insulation from 0.19 to 0.50 m2•K/W) were tested. The footwear insulation reduction was calculated for 1.5 hour period. The reduction in insulation was related to swea
Social scientists studying mental health from a qualitative approach faces a complex and diverse field. As an empirical field, the object in focus is usually summed up as being concerned with for example, experiences of a psychosis, enactments of the clinician-patient dialectic, or different encounters within, as well as outside, psychiatry. This paper is a suggestion for how to approach and use t
A review article comparing three recent biographies of St. Bridget of Sweden.
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Traditionally, control loops are closed using periodic sensing and actuation. When communication resources are scarce, however, much may be gained from transmitting only when something important has happened in the loop. This paper presents a simple model of the interference between event-based control loops caused by sharing a common medium, based on the coupled dynamics of a Markov chain represe
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Rapport i Högskolepedagogisk introduktionskurs / Report written in course "Introduction to Teaching and Learning in Higher Education". Undervisningen i en befintlig laboration i våglära relateras till pedagogisk litteratur, kursens mål och egna erfarenheter för att formulera ett förslag på betygsgrunder specifikt för denna laborations rapport. Förhoppningen är att öka jämförbarheten mellan betyg f
