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The effect of changes in species composition on European emissions of volatile organic compounds during the Holocene

Pulse Generator with Gated Tunnel Diode

We report on the implementation and performance of a pulse generator based on a gated tunnel diode that has been integrated with a wave-guide oscillator. The gate is used to modulate the magnitude of the negative differential resistance in the gated tunnel diode and to control the oscillations in the circuit. In particular, it can be used to create short pulses of oscillations by turning the oscil

A novel synchronizer for OFDM-based UWB system on new preamble design

In OFDM-based UWB baseband, synchronizer plays a key role to the performance of the whole system. Therefore achieving an area and power efficient architecture at least SNR loss becomes the main challenge of synchronizer design. To meet 528 Msamples/s throughput, the parallel architecture is used in current approaches. But it leads to higher area and power consumption. In this paper, we propose an

System testing of MaReCo with suppressed summer performance

Collaaborative Structures in Early-Stage Biotech Research Commercialization

Scrutinizing Policy Assumptions in Biotechnology

Social Policy of Our Time? : An Inquiry into Evidence, Assumptions, and Diffusion of Conditional Cash Transfers in Latin America

This dissertation presents an inquiry into existing evidence, underlying assumptions, and the rapid diffusion of conditional cash transfers (CCTs) in Latin America. Equally concerned with empirical research on CCTs’ assumed capabilities and the programmes’ political economy and social policy contexts, this inquiry combines systematic analyses and case studies from field work in Uruguay and Guatema

Synchronization of a TDMA-OFDM frequency hopping system

We present a time division multiple access-orthogonal frequency division multiplexing (TDMA-OFDM)-based radio interface proposal for the Universal Mobile Telecommunication System (UMTS). We focus on synchronization and present an implementable algorithm for the tracking of the mobiles' time and frequency offsets at the base station in the uplink. This algorithm is based on estimation methods that

På kant med Gud - några reflexioner kring frågan om Guds existens.

Eye movements during mental imagery are not perceptual re-enactments

Measured room average temperatures by use of pillars or internal walls

Correlation attacks on stream ciphers and related decoding problems

Activation measurements of capture cross sections for 14-15 MeV neutrons

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Impact of physical environmental barriers on older people´s use of mobility devices.

Drag kinging in the streets - negotiating representations of queerness in public spaces

Landsbygdsutveckling - en analys av projekt för ökad sysselsättning

Experiences from using a Model Database for Process Modelling

The trouble with institutions of Art and its publics

Increasing the Photon Energy for Photonuclear Experiments in MAX-lab by Phase Modulating the SLED Pulse

The nuclear physics facility at MAX-lab requires high energy electrons for photonuclear experiments. These electrons are first accelerated in two LINACs that are fed via a SLED system. Arcing in the waveguide structures is currently the limiting factor of the available electron energy. In this report, the implementation of a phase modulation scheme into the injector system is presented. This makes