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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 purpose of this study is to elucidate affordances and meaning-making processes where students in Compulsory lower secondary education learn to play music together in music class. The data consists of a series of observed music lessons, performances and stimulated recall interviews in two 8th form classes, video recorded in the course of one term. The analysis focuses on students’ and their tea
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
Popular Abstract in Swedish Optoelektronik genomgår för närvarande en otrolig utveckling, inte minst på grund av de senaste årtiondenas kommersialisering och utveckling av hemelektronik som kompaktdiskar och digitalkameror. Denna utveckling har drivit en blomstrande global tillväxt för optoelektroniska företag som varje år utvidgar sina erbjudanden av optiska komponenter i hård konkurrens. UtvecklThe present thesis describes a number of aspects of modern electro-optical measurement technology also known as bio-photonics; this includes instrumentation, applications, sample interaction and data interpretation. The methods employed operate over several domains, and light measurements are discretized both in intensity, space, angle, time, polarization and energy. Mainly the spectral domain is
Popular Abstract in Swedish Insulin frisätts från B-cellerna i bukspottkörteln (pankreas) när blodsockerhalten ökar över den normala (80-100 mg per dl), exempelvis efter en kolhydrat- och sockerrik måltid. Medan ?friska? B-celler har förmågan att reagera kraftigt redan på små (10%) förändringar i blodsockerhalten, så utvecklar ?ålders-diabetiska? B-celler en blodsockerblindhet och insulinfrisättniEndocrine cells as well as neurons release their hormones and transmitters by regulated exocytosis. In the pancreatic B-cell, stimuli like glucose initiate biochemical and electrical processes that culminate in influx of Ca2+, which then triggers exocytosis of insulin-containing granules. Fusion of the secretory vesicles occurs rapidly upon Ca2+-influx but requires a granule to be ?primed? by an A
In market-driven software development it is crucial to produce the best product as quickly as possible in order to reach customer satisfaction. Requirements arrive at a high rate and the main focus tends to be on the functional requirements. The functional requirements are important, but their usefulness relies on their usability, which may be a rewarding competitive means on its own. Existing met
A particle filter based solution to the out-of-sequence measurement (OOSM) problem is proposed. The solution is storage efficient, while being computationally fast. The filter approaches the multi-OOSM problem by not only updating the estimate at the most recent time, but also for all times between the OOSM time and the most recent time. This is done by exploiting the complete in-sequence informat
