Search for dissertations about: "measurement systems"

Showing result 21 - 25 of 1082 swedish dissertations containing the words measurement systems.

  2. 21. On MIMO Systems and Adaptive Arrays for Wireless Communication : Analysis and Practical Aspects

    Author : Mattias Wennström; Michael A. Jensen; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Systemteknik; antenna array; calibration; MIMO system; flat fading; non-linear amplifier; switched parasitic antenna; analog beamformer; adaptive antenna testbed; Systemteknik; Systems engineering; Systemteknik; Signal Processing; signalbehandling;

    Abstract : This thesis is concerned with the use of multiple antenna elements in wireless communication over frequency non-selective radio channels. Both measurement results and theoretical analysis are presented. New transmit strategies are derived and compared to existing transmit strategies, such as beamforming and space-time block coding (STBC). READ MORE

  4. 22. Modelling and Validation of Industrial Measurement Systems - Aspects of Quality and Human Factors

    Author : Jenny Wirandi; Avdelningen för Biomedicinsk teknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Uncertainty Analysis; Quality Index; Instrumentation technology; Mät- och instrumenteringsteknik; Traceability; Fuzzy Variable; Pulp Quality; Industrial Measurement; Human Factor; GUM; Calibration; Fibre Measurement; Measurement Science;

    Abstract : Although there is a fairly large number of books and articles concerning the validation of technical measurement systems, there are only a few which take into account the whole measurement system consisting of both technical and non-technical aspects. A measurement system comprises both the measurement process and the human being who conducts the measurement. READ MORE

  5. 23. Identifying and Managing Key Challenges in Architecting Software-Intensive Systems

    Author : Peter Wallin; Jakob Axelsson; Stig Larsson; Christer Norström; Antony Tang; Mälardalens högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Systems engineering; Systemteknik; Software engineering; Programvaruteknik; Computer Science; datavetenskap;

    Abstract : In many traditional industry applications, such as automotive, process automation and manufacturing automation, software plays a crucial role as an enabler for the introduction of new functionality and retaining competitiveness. The system and software architecture plays an important part in ensuring the systems’ qualities. READ MORE

  6. 24. Quantifying human balance : Analysis of force plate data

    Author : Annica Önell; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Systems engineering; Systemteknik; Systemanalys; Systems Analysis;

    Abstract : There is a lack of reliable methods for assessment of balance suited for routine use in clinical settings. The thesis focuses on analysis of force plate data for evaluation of balance during normal, unperturbed standing and sitting. Some commonly used force plate based methods during unperturbed standing are presented. READ MORE

  7. 25. Distributed Peer Discovery in Large-Scale P2P Streaming Systems : Addressing Practical Problems of P2P Deployments on the Open Internet

    Author : Raul Jimenez; Seif Haridi; Björn Knutsson; Arnaud Legout; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Peer-to-peer (P2P) techniques allow users with limited resources to distribute content to a potentially large audience by turning passive clients into peers. Peers can self-organize to distribute content to each other, increasing the scalability of the system and decreasing the publisher’s costs, compared to a publisher distributing the data himself using a content delivery network (CDN) or his own servers. READ MORE