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Convolutional codes over rings have been motivated by phase-modulated signals. Some structural properties of the generator matrices of such codes are presented. Successively stronger notions of the invertibility of generator matrices are studied, and a new condition for a convolutional code over a ring to be systematic is given and shown to be equivalent to a condition given by Massey and Mittelho
Article discussing paralels between German-Danish conflict over Schleswig, 19th-20th cts., and the Russian-Georgian war.
Abstract in Danish Kronikk om trend til sammenkoblede artikler i ph.d. afhandlinger i stedet for monografier, især om kriterier for 'publicerebare' artikler i indhold.
OBJECTIVE:: To compare the intracranial pressure after resuscitation to normovolemia by using 20% albumin or normal saline in a cat model of meningitis. DESIGN:: Prospective, randomized animal study. SETTING:: University hospital laboratory. SUBJECTS:: Twenty adult, male cats. INTERVENTIONS:: Meningitis was induced by intrathecal injection of Escherichia coli-derived lipopolysaccharide (0.8 × 10 u
A reduced order dynamic model for an activated sludge process performing carbonaceous removal, nitrification, and denitrification is proposed. Based on directly measurable real time data - by methods available today - all model parameters are identified on-line. A simplified extended Kalman filter is used for the actual identification. Verification of the results is based on computer simulations o
The aim of this work was to investigate the potential of a selection of household salts (NaCl) as a retrospective dosemeter for ionising radiation using optically stimulated luminescence (OSL). The OSL-response of five brands of salt to an absorbed dose in the range from 1 mGy to 9 Gy was investigated using a Risø TL/OSL-15 reader and a (60)Co beam, allowing low dose-rate irradiations. The salt wa
Kulturartikel om Dashiell Hammetts roman Riddarfalken från Malta och John Hustons filmversion emd anledning av en restaurerad nyutgåva på bluray.
The article begins from critical accounts addressing the crisis of politics and citizenship today, to study the civic potential that several media and social scholars view in informal practices that include the usage of new media and information and communication technologies. On one hand, new media and ICT are noted to empower individual users and groups, to provide spaces of voice and debate and
