Sökresultat

Some preliminary observations on the rise and development of technical terminologies in Greek and Latin, and their successive influence on the modern European languages and their patterns of word formation

The Nordic countries have often been seen as “fore-runners” of energy efficiency in buildings in terms of both 1) the implementation of policy instruments and 2) the evaluation of actual effects. Since the 1970s, the Nordic countries have introduced a range of policy instruments for energy conservation in buildings. Interestingly, there are contrasting policy “styles” and experiences across the No

This work focuses on measurement principles based on ultrasound for applications in industrial automation. The measurements made are of geometric nature. The methods used are when possible based on experience and/or inspiration from the study of bats. A platform for ultrasonic measurements, that allows a VME-based host computer to transmit and receive signals, with a considerable flexibility has b

The main issues discussed in this dissertation are the questions how and why farming and animal husbandry were introduced in southern Scandinavia. The Löddesborg site by the Öresund coast supplied most of the basic materials used in the analysis. Simliar sites in Scania and Blekinge, as well as finds of Limhamn-axes, pointes butted axes, polygonal axes, and dolmens complete the picture of the neol

The simulation approach is an important tool used for the design and implementation of mobile radio systems with an emphasis on the propagation modeling for wireless channel. We carried out simulations for three different street positions scenarios of the receiver, (mobile station), using the geometrical-based single bounce elliptical channel model, as might be appropriate for microcellular applic

This manuscript presents an reconfigurable architecture, suitable to process time synchronization for multiple OFDM standards. The proposed architecture is based on a coarse-grained reconfigurable cell array, and the different radio standards under analysis are IEEE 802.11n, 3GPP Long Term Evolution and Digital Video Broadcast for cellular devices. With the use of a 2-by-2 cell array, composed of

This chapter expands on three main topics. First, it is argued that the economic historical perspective may contribute to our understanding of present day development processes. Instead of advocating a one-size-fits-all model, an analytical framework is offered based on common traits from diverse examples. Second, the importance of agricultural change on the road towards sustained economic growth

Abstract is not available

Popular Abstract in Swedish Lysande plast, finns det? Tanken är att att tunn plast-film skall kunna användas som ihoprullbara tunna TV- och datorskärmar, som lysdioder, som mottagare i solceller och som transistorer. Till vardags är förmodligen den vanligaste uppfattningen att plast är ett isolerande material som inte leder ström och som därför heller inte lyser. Faktum är att bara en del av plasTransient absorption laser spectroscopy and resonance Raman spectrscopy have been used to study conjugated polymers and oligomers. To extract more information the measurements have been compared to computer simulations and calculations. In order to obtain a better understanding of the role of conformational disorder in the photophysics of light-emitting, conjugated polymers the ultrafast transient

Popular Abstract in Swedish Omkring hälften av alla kvinnor kommer någon gång efter 50 års ålder att drabbas av ett benbrott. Ett benbrott ger upphov till smärta, en risk för långvarig invaliditet och förtida död. Det är viktigt att försöka hitta dem som riskerar att drabbas, eftersom det möjliggör förebyggande behandling. Hur stor risken är att man drabbas av ett benbrott på äldre dagar beror fraApproximately half of all women will sustain a fracture after the age of 50. Fractures may cause long-term disability and excess mortality. Identifying individuals at high risk of sustaining a fracture is important in the development of primary and secondary prevention strategies. In this study, initiated to identify factors associated with a high risk of future fractures, 1 044 women, all 75 yea

We study and solve the previously unstudied problem of finding both sender and receiver positions from time of arrival (TOA) measurements when there is a difference in dimensionality between the affine subspaces spanned by receivers and senders. Anchor-free TOA network calibration has uses both in sound, radio and radio strength applications. Using linear techniques and requiring only a minimal nu