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A consistent set of f-values for vacuum ultraviolet lines of S I is deduced from a combination of laser lifetime measurements and theoretical branching ratios. The new results are compared with results deduced from absorption by interstellar gas toward zeta Ophiuchi, and good agreement is observed for most transitions.
For MIMO systems, we introduce two novel architectures that significantly reduce the required number of expensive RF chains and still perform as well as a conventional full complexity solution for many cases of interest. We combine RF pre-processing - based solely on channel statistics and not instantaneous channel state - with selection and corresponding baseband signal processing. For a system w
Recent research in the field of on-line handwriting recognition has been focused on statistical systems such as Hidden Markov Models, Neural Networks or a combination of these. There are however merits of employing an approach based on template matching. The first part of this thesis presents a new strategy for parameterization of on-line handwritten character samples. A novel efficient template m
Tourism is today the biggest industry in the world, and tour operators are a central link in the tourism supply chain. As a consequence of their key position, tour operators have the potential to influence both the primary producers of tourist services and the tourists. Increased awareness of the media and general public will create pressures on the tour operators - first to work towards incorpora
The aim of the overview is to give a perspective of global biobank development is given in a view of positioning biobanking as a key resource for healthcare to identify new potential markers that can be used in patient diagnosis and complement the targeted personalized drug treatment. The fast progression of biobanks around the world is becoming an important resource for society where the patient
We compute the Cramér–Rao lower bounds for determination of isotropic permittivity and permeability in slabs using reflection and transmission data. The results apply to three common measurement situations: free space, rectangular waveguides, and coaxial waveguides. The bounds depend only on the available data and not on the actual inversion method used, making them suitable to evaluate a particul
Popular Abstract in Swedish Eftersom mer än 80% av världens samlade energianvändning är beroende av förbränning i någon form är vidare kunskap om förbränningsprocessen viktig. Fortsatt effektivisering av förbränningsprocessen är idag högaktuell för uppbyggnad av framtidens mer miljövänliga energisystem och för utvecklingen utnyttjas omfattande diagnostikarbeten. Inom området anses diagnostik med hThe thesis deals with the further development of pure rotational coherent anti-Stokes Raman spectroscopy (RCARS) for improving the capabilities of gas phase thermometry. The main effort has been to make the technique more robust when employed under a wide range of temperatures and operational conditions. A primary aim has been to investigate the impact of collisional broadening on N2 RCARS thermom
This paper is aimed at describing the principles on which are based the current concepts of fire engineering design of steel structures. The first part deals with the design methods for fire safety through the definition of heat exposure and structural models. The second part reviews the state of art in structural fire calculation methods, according to different levelsof assumption.
Popular Abstract in Swedish I takt med att fossila bränslen, så som olja och bensin, minskar av jordens resurser så ökar tyvärr samtidigt förbrukningen och därmed efterfrågan på mer bränsle. Detta beror delvis på ökningen av antalet fordon samt på den ökande transportsektorn i världen. De enorma koldioxidutsläppen fortsätter att förstöra vår miljö. I ett kraftfullt försök att minska utsläppen och This thesis focuses on the electromagnetic design of a synchronous machine suited for a belt-driven alternator and starter (BAS) in a micro hybridisation of a mid-size passenger car. The BAS needs to provide a high cranking torque to start the combustion engine, especially in a cool condition where the requirements are highest. Besides the high cranking torque it is desirable to have high power pe
In this paper, we propose to perform remote laser-induced breakdown spectroscopy (LIBS) and Raman imaging of historical monuments to assess the state of a building. The lidar system is equipped with a Nd:YAG pumped optical parametrical oscillator (OPO) system, allowing laser radiation in the wavelength range 220 nm-4 μm. The laser radiation can be sent through a roof-top dome which can steer the r
Popular Abstract in Swedish Utveckling av AMS-systemet i Lund för detektion av 26Al – med tillämpningar inom växtekologin Den konventionella metoden för att mäta mängden radioaktivt material i ett prov är att detektera strålningen som kommer från provet. Om man vet halveringstiden (den tid det tar för mängen radioaktivt material minska till hälften) så kan man bestämma antalet radioaktiva atomer Accelerator mass spectrometry (AMS) is a highly sensitive technique to count atoms. The method has a high efficiency, which makes it possible to measure small samples in a relatively short time, usually less than an hour. During the work for this thesis, methods have been developed to detect Al-26 at the Lund AMS facility. This includes the design, installation and testing of a new injector that i
The low throughput at IC (Integrated Circuit) testing is mainly due to the increasing test data volume, which leads to high ATE (Automatic Test Equipment) memory requirements and long test application times. In contrast to previous approaches that address either test data compression or abort-on-fail testing, we propose an architecture for combined test data compression and abort-on-fail testing.
