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A relation between the radiation resistance and the quasi-static polarizability, input capacitance, and input inductance for small electric dipole antennas is investigated. The relation follows from the forward scattering sum rule and sum rules for the input impedance together with resonance models for the partial realized gain and the reflection coefficient.
The aim for this work has been to increase the applicability of laser spectroscopy techniques for studies of combustion processes, both what regards in-flame experiments, exhaust-gas analysis and remote sensing of the atmosphere. Raman spectroscopy has been used for analysis of exhaust gases from flames, model fires of wood and for inflame measurements. Coherent anti-Stokes Raman Spectroscopy CARS
A well defined set of design criteria is of great importance in the process of designing brain machine interfaces (BMI) based on extracellular recordings with chronically implanted micro-electrode arrays in the central nervous system (CNS). In order to compare algorithms and evaluate their performance under various circumstances, ground truth about their input needs to be present. Obtaining ground
This paper gives a brief summary of computational methods in heat transfer equipment, i.e., CFD (computational fluid dynamics) methods for thermal problems, and turbulence modeling for single phase applications in the design, research and development of heat exchangers. Some examples for real heat exchangers are shown to demonstrate how CFD methods can be used as R & D tools. Nevertheless, lim
Film archives as an institution has for a long time been a prominent object in film studies and archives research. Film museums have since also been studied, but mainly as a place for the archives and less as a locality for exhibitions about film. This presentation discusses different types of film museums and their exhibitions, ranging from the smallest local to the national-level, and asks quest
Algerietkriget blir, med sina närmare en miljon döda, den franska avkoloniseringens mest blodiga krig. Över åtta tusen algeriska byar jämnas med marken, över hälften av all boskap (som var grundvalen för algeriernas försörjning) utplånas, enorma mängder skog bränns, miljoner algerier spärras in i reservat eller deporteras, hundratusentals algerier fängslas eller flyr till grannländerna. Algerietkr
Design of small antennas is challenging because fundamental physics limits the performance. Physical bounds provide basic restrictions on the antenna performance solely expressed in the available antenna design space. These limits offer antenna designers a-priori information about the feasibility of antenna designs and a figure of merit for different designs. Here, an overview of physical bounds o
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This text makes the point that we cannot understand civic agency - people's taking on the role of acting as citizens - in a vacuum. The notion of encompassing civic cultures is introduced to analylically anchor civic agency in the horizons of everyday life, practices, and identity
