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A 10 GHz beam forming transmitter was designed in a 90 nm CMOS process. Two power amplifiers with independently controllable phase enable the beam forming. The controllable phase is accomplished by switching in binary weighted transistors fed by quadrature signals, which are generated by a quadrature voltage controlled oscillator followed by a buffer. The design contains seven differential on-chip
Time series analysis of population abundances is a common approach to making inferences about population dynamics, and especially for estimating density dependence. Traditionally the impact of potential errors in observations or measurements of the abundances on inference has been ignored. Following the increased availability of appropriate software as well as statistical awareness among ecologist
This study targeted soft cheese production, investigating the permeability and syneresis properties of rennet-induced skim milk gels.
Strukturmekanik är den del av fysiken som beskriver hur olika material, som formats och sammanfogats till strukturer, bär sina laster. Kunskapen om dessa strukturers verkningssätt kan användas i en skapande process där hållbara och effektiva, funktionella och uttrycksfulla byggnadsverk utformas. Den här läroboken i strukturmekanik baseras på finita elementmetodens metodik. Förståelsen för struktu
Spatially coupled low-density parity-check (SC-LDPC) codes are considered for transmission over the block-fading channel. The diversity order of the SC-LDPC codes is studied using density evolution and simulation results. We demonstrate that the diversity order of the code can be increased, without lowering the code rate, by simply increasing the coupling parameter (memory) of a SC-LDPC code. For
Abstract is not available
Abstract is not available
Denna rapport är en litteraturstudie om trafiksäkerhetseffekter av åtgärder med avseende på cyklisters och gåendes säkerhet. Åtgärder som behandlas i denna rapport är fysiska åtgärder, samt drift- och underhållsåtgärder. Syftet med rapporten är att sammanställa empirisk kun-skap om trafiksäkerhetseffekterna av olika åtgärder för gång- och cykeltrafik. Åtgärderna delades in i tre grupper, nämligen
Popular Abstract in Swedish I denna avhandling presenteras tre studier som fokuserar på human serviceorganisationer, klientarbete, arbetstillfredsställelse och arbetsmiljö. Det övergripande syftet med denna avhandling var att med särskilt fokus på grad av direkt klientarbete och tillfredsställelse i arbetet undersöka arbetssituationen i olika typer av human serviceorganisationer. I den första stuIn this thesis, three empirical studies investigating human service organizations pertaining to client work, work satisfaction, and the work environment are presented. The general aim of this thesis was to investigate working conditions in human service organizations with particular consideration and emphasis on the extent of human service workers´ client work and their perceived level of job sati
Central government bailouts of local governments are commonly viewed as a recipe for local fiscal indiscipline, as local governments learn that the center will come to rescue in times of trouble. Little is however known about whether such tendencies can be dampened if assistance is made conditional upon the local governments' own fiscal efforts. We examine a case in which the Swedish central gover
We describe the policy consensus in the OECD publication Economic Surveys, by constructing a database that contains both quotations and a quantification of the perceived reform need for 23 OECD countries around 1985, 1995 and 2005. Using the database, we examine whether or not the policy recommendations given by the OECD require welfare state cutbacks. We also examine how reform need correlates wi
