Sökning: "track circuit"

Visar resultat 21 - 25 av 31 uppsatser innehållade orden track circuit.

  1. 21. Home Location Register (HLR) dedicated for Short Message Service (SMS)

    Magister-uppsats, Uppsala universitet/Institutionen för informationsteknologi; Uppsala universitet/Institutionen för informationsteknologi

    Författare :Niklas Rönnblom; Johan Vikman; [2013]
    Nyckelord :;

    Sammanfattning : In telecommunication a Home Location Register (HLR) is used for keeping track of subscriber data for a multitude of services, including Circuit Switched (CS) calls, Short Message Service (SMS), and more. To support all functions, about 50 different complicated operations must be supported. LÄS MER

  2. 22. INFÄSTNING AV LED-ARMATUR

    Uppsats för yrkesexamina på grundnivå, Uppsala universitet/Institutionen för teknikvetenskaper

    Författare :Sara Rapp; [2012]
    Nyckelord :LED; Belysningsarmatur; Kravspecifikation; Konstruktionslösningar;

    Sammanfattning : The thesis was performed at the lighting company Zpecta AB. Zpecta needed to develop alternative attachment of their LED-luminaire Capella. Today Capella attaches in metal ceilings with four magnets. Zpecta got indications from their customers that there was a need for other attachments. LÄS MER

  3. 23. Design and Implementation of a high-efficiency low-power analog-to-digital converter for high-speed transceivers

    Master-uppsats, Linköpings universitet/Linköpings universitet/ElektroniksystemTekniska högskolan

    Författare :Choudhry Jabbar Younis; [2012]
    Nyckelord :Analog front end; data rates; Analog to digital converter; track and hold; bootstrap; averaging; interpolation;

    Sammanfattning : Modern communication systems require higher data rates which have increased thedemand for high speed transceivers. For a system to work efficiently, all blocks ofthat system should be fast. It can be seen that analog interfaces are the main bottleneckin whole system in terms of speed and power. LÄS MER

  4. 24. Tracking System : Suaineadh satellite experiment

    Uppsats för yrkesexamina på avancerad nivå, KTH/Skolan för informations- och kommunikationsteknik (ICT); KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Carl Brengesjö; Martine Selin; [2011]
    Nyckelord :;

    Sammanfattning : The purpose of this bachelor thesis is to present a tracking system for the Suaineadh satellite experiment. The experiment is a part of the REXUS (Rocket EXperiments for University Students) program and the objective is to deploy a foldable web in space. LÄS MER

  5. 25. Estimating Rotational Speed with a Phase- Locked Loop

    Uppsats för yrkesexamina på avancerad nivå, KTH/Reglerteknik

    Författare :Niklas Willemsen; [2008]
    Nyckelord :;

    Sammanfattning : Volvo Construction Equipment Components AB (Volvo CE) develops electronic control systems for various vehicles in the field of construction equipment. Increasing demands on quality, safety and environmental care require more and more sophisticated and intelligent drive control systems. LÄS MER