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Fading of the wideband radio channel and its implications for CDMA RAKE receiver operation has been investigated using measured wideband impulse responses and simulations with an exponentially shaped channel model. The emphasis has been on systems with 1.25 MHz and 5 MHz bandwidth, and the reduction in fading variations as well as the increased complexity in terms of required RAKE correlator branc

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In this paper a distributed version of the Kalman filter is proposed. In particular, the estimation problem is reduced to the optimization of a cost function that depends on the system dynamics and the latest output measurements and state estimates which is distributed among the agents by means of dual decomposition. The techniques presented in the paper are applied to estimate the position of mob

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Task-level industrial robot programming is a mundane, error-prone activity requiring expertise and skill. Since humans easily communicate with natural language (NL), it may be attractive to use speech or text as instruction means for robots. However, there has to be a substantial amount of knowledge in the system to translate the high-level language instructions to executable robot programs. In th

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Artikeln, som ingår i en omfattande rapport från ett projekt in Nordiska ministerrådets program ”Norden och Europa”, behandlar situationen 1945–48. Efter fredsslutet betraktades världskriget i Sverige snart som en olycklig parentes. 1930-talets reformarbete, inspirerat från U.S.A., kunde fortsätta. Rättsuppgörelsen sträckte sig endast till vissa individer och institutioner, och tog inte upp regeri

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Abstract in UndeterminedThis paper is an ethnographical account of a visit to the IKEA store in Älmhult, Sweden. In this paper IKEA is understood as something beyond a retailer offering consumer goods to consumers, and the bond between IKEA and the consumer is understood as something emerging before and extending beyond the contract into which the consumer enters as she or he pays for the goods be