Sökning: "beam line"

Visar resultat 1 - 5 av 47 uppsatser innehållade orden beam line.

  1. 1. Effektivisering vid byte av högtryckskik - Ett periodiskt förebyggande underhållsarbete

    M1-uppsats, Högskolan i Gävle/Avdelningen för Industriell utveckling, IT och Samhällsbyggnad

    Författare :Therece Jansson; [2018]
    Nyckelord :Preventive maintenance; World Class Maintenance; Continous improvement; Förebyggande Underhåll; Underhåll i världsklass; Ständiga förbättringar;

    Sammanfattning : In the continuous manufacturing process which is used on Billerud Korsnäs in Gävle, maintenance of machinery and equipment is a major process. Through its work with continuous improvements, the mill has identified that the change of high-pressure feeder on line 1 is more time-consuming than the replacement of the other two high pressure feeders on the mill. LÄS MER

  2. 2. 5G Positioning using Machine Learning

    Master-uppsats, Linköpings universitet/Reglerteknik

    Författare :Magnus Malmström; [2018]
    Nyckelord :5G; Positioning; Non Line of Sight NLOS ; Urban Canyons; Machine Learning; Neural Networks; Random Forest; Detection; Neyman-Person; Generalized Likelihood Ratio Test; Kalam Filter;

    Sammanfattning : Positioning is recognized as an important feature of fifth generation (\abbrFiveG) cellular networks due to the massive number of commercial use cases that would benefit from access to position information. Radio based positioning has always been a challenging task in urban canyons where buildings block and reflect the radio signal, causing multipath propagation and non-line-of-sight (NLOS) signal conditions. LÄS MER

  3. 3. An experimental study of the validity of the round panel test method for shotcrete

    Master-uppsats, KTH/Betongbyggnad

    Författare :Nadia El zain; [2018]
    Nyckelord :Shotcrete; sprayed concrete; yield line theory; tunnel lining; steel fibers; round determinate panels; test beams; Sprutbetong; runda plattor; tunnelbeklädnad; fiberarmerad sprutbetong; stålfibrer; böjdraghållfasthet; balkar; mätosäkerhet;

    Sammanfattning : Shotcrete (sprayed concrete) was used for the first time in 1914 and has become of  growing importance in stabilizing the excavated tunnel sections over the past century.  Even though the technology develops, there are some difficult tasks such as the design of a bolt anchored tunnel lining made of shotcrete. LÄS MER

  4. 4. Intelligent Beam Weight Computation for Massive Beamforming

    Master-uppsats, Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling; Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

    Författare :Rohan Appilla Chakravarthula; Chaithanya Kumar Reddy Veluru; [2017]
    Nyckelord :;

    Sammanfattning : LTE (Long Term Evolution) is likely the most complex wireless system ever developed. It incorporates features that could not have been economically implemented as recently as a decade ago. Today, with large-scale ICs, LTE can be easily accommodated in base stations and battery-powered handsets alike. LÄS MER

  5. 5. High Contrast Imaging Through Scattering Media Using Structured Illumination Fourier Filtering

    Master-uppsats, Lunds universitet/Förbränningsfysik; Lunds universitet/Fysiska institutionen

    Författare :David Frantz; [2017]
    Nyckelord :scattering media; Structured Illumination; optical Fourier filtering; Modulation Transfer Function; Monte Carlo simulation; Technology and Engineering;

    Sammanfattning : In imaging, obtaining high contrast is of great importance. When imaging through scattering media, optical filtering techniques are used to filter out multiple light scattering which causes loss of contrast. LÄS MER

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