Sökning: "beam line"

Visar resultat 36 - 40 av 93 uppsatser innehållade orden beam line.

  1. 36. Analytical Calibration Scheme Suitable for Modern Mobile Communication Systems

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Ramez Hamarneh; [2020]
    Nyckelord :;

    Sammanfattning : Modern systems utilize multiple transceiver modules to enhance capacity by directing the energy of the basestation only at the desired directions using beamforming algorithms. To accurately control the beam patterns, the phase and amplitude at each antenna port must be manipulated to follow the desired beam weight response. LÄS MER

  3. 37. Numerical methods for design of the transfer line of the ESSnuSB project : Independent Project in Engineering Physics

    Kandidat-uppsats, Uppsala universitet/FREIA

    Författare :Karl-Fredrik Boholm Kylesten; [2019]
    Nyckelord :Accelerator Physics; Physics; Numerical methods; Engineering Physics;

    Sammanfattning : ESS neutrino Super Beam (ESSnuSB) is a project that aim to create ahigh energy beam of neutrinos and anti-neutrinos to study thephenomenon neutrino oscillation and learn more about symmetryviolations in quantum mechanics. To create the neutrino beam, negativeHydrogen ions must be transported from the ESS linear accelerator at2. LÄS MER

  4. 38. Investigation of the origin of stray radiation at XFEL using FLUKA

    Kandidat-uppsats, Stockholms universitet/Fysikum

    Författare :Terese Hellström; [2019]
    Nyckelord :;

    Sammanfattning : The European X-Ray Free-Electron Laser facility (XFEL) provides ultra-short x-ray pulsesof high peak brilliance that are used in research to analyse atomic or molecular structures.The facility accelerates electrons and moves them through an undulator system consistingof several undulator cells containing permanent magnet poles supplying an alternatingmagnetic field, which causes the electrons to emit x-ray pulses. LÄS MER

  5. 39. Optimization of 5G New Radio for Fixed Wireless Access

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Författare :Jonathan Palm; [2019]
    Nyckelord :;

    Sammanfattning : With the advent of new 5G networks, the interest in connecting house-hold to the Internet via mobile networks has increased. One such way toconnect users is using completely stationary antennas. This use-case iscalled Fixed Wireless Access (FWA) and is seen as promising, cost-efficient means of expanding internet connectivity. LÄS MER

  7. 40. Quality assessment of mineral wool insulation plates : Using ultrasonic non-destructive testing

    Uppsats för yrkesexamina på avancerad nivå, Blekinge Tekniska Högskola/Institutionen för maskinteknik

    Författare :Linus Ikonen; Daniel Nilsson; [2019]
    Nyckelord :Non-destructive testing; linear ultrasound; mineral wool; fibrous materials; acoustics; frequency response; signal attenuation; Oförstörande provning; linjärt ultraljud; stenull; fibrösa material; akustik; frekvenssvar; signalförsvagning;

    Sammanfattning : In the manufacturing process of mineral wool insulation plates, defects arise, such as unmelted base minerals and uncured binder which gets embedded within the plates. To be able to sort out these defective plates from a manufacturing line, a reliable quality assessment is needed. LÄS MER