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A 1.2 volt 1.8GHz CMOS quadrature front-end
A fully integrated 1.2V 0.25 μm CMOS quadrature frontend for a low or zero IF receiver has been designed and measured. The front-end consists of a common-gate LNA, a quadrature passive mixer, and a quadrature VCO operating at 1.8GHz. The conversion gain is 16dB, the noise figure is 6dB, the CP1 is -18dBm, the IIP2 is 27dBm, and the IIP3 is -6dBm. The total power consumption is 9.6mW and the IF qua
Coded modulation by outright filtering
We investigate the bandwidth and distance of codes created by ordinary lowpass filtering of a pulse stream. The encoder is thus a convolution, but over the reals. Performance of these codes is compared to the TCM and PRS code families; despite their simplicity, the new codes perform equally well. Since a simple decoder exists, these are attractive codes.
Changes, Evolution and Bugs - Recommendation Systems for Issue Management
Changes in evolving software systems are often managed using an issue repository. This repository may contribute to information overload in an organization, but it may also help navigating the software system. Software developers spend much effort on issue triage, a task in which the mere number of issue reports becomes a significant challenge. One specific difficulty is to determine whether a new
Världens tungjonsfysiker sammanstrålar i Lund
GIS - fantasin sätter gränser
Attityder och delaktighet vid etablering av vindkraft till havs
The political objectives on national and international levels towards a larger proportion of renewable energy require considerable planning activities on a local level. These activities inevitably must relate to the local community and its various groups; their culture, economy, social activities as well as their views on environmental problems and nature values. This applies to all energy plants.
Architectural considerations for rate-flexible trellis processing blocks
A flexible channel decoding platform should be able to operate in varying communication scenarios, and different code rates have to be supported. Therefore, we present a framework that allows efficient processing of rate-flexible trellises. Using a fundamental computational unit for trellis-based decoding, formal principles are obtained to emulate more complex trellises. In a design example, such
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Urban poverty, social exclusion and social housing finance. The case of PRODEL in Nicaragua
Popular Abstract in Swedish Avsikten med denna avhandling är att förstå de viktiga begreppsmässiga och operativa utmaningar som internationella biståndsgivare, liksom offentliga och privata institutioner, möter när man utformar och genomför alternativa former av sociala bostadsfinansiering som skall vara inkluderande för den fattiga urbana befolkningen. Avhandllingen försöker besvara tre frågor, bThe purpose of the thesis is to further understand key conceptual and operational challenges that international aid donors, and public and private institutions, face while designing and implementing alternative forms of social housing finance which aim to be inclusive for the urban poor. Based on an in-depth study of the work of the Foundation for the Promotion of Local Development (PRODEL) in thr
Mätmetoder och instrumentering för mätningar i vägkonstruktioner : en förstudie
Should thromboprophylaxis be used in hereditary thrombophilias with RPL? -Against
Rättshistoriens metamorfos: En presentation av en rättsvetenskaplig diskurs. Meddelande i Det Kgl. Videnskabernas Selskab, Köpenhamn den 22 mars 2001
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Moisture risk evaluation and determination of required measures to avoid mould damage using the Folos 2D visual mould chart
There is an increased interest in and awareness of mould growth damage in buildings. Today’s mould growth models are limited to only presenting the risk of mould growth. They do not take into account underlying factors and other parameters that make it possible to establish necessary measures to limit or avoid the risk of mould growth. This paper presents a chart that can be used to determine thes
Religious markets : supply, demand, and rational choices
Antibodies and Antibody Mimics in Binding Assays
This thesis presents development of new analytical methods using antibodies and molecularly imprinted polymers (MIPs) in binding assays: 1) The high specificity of antibodies and the wide variety of efficient labels make immunoassay one of the most popular analytical techniques today. Enzyme-linked immunosorbent assay (ELISA) is most widely used, since the enzyme label can be used as a catalyst t