Sökning: "high power microwaves"

Visar resultat 1 - 5 av 9 uppsatser innehållade orden high power microwaves.

  1. 1. Establishing High-Temperature Models for Leakage Current in Gated Lateral Bipolar Junction Transistors

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Jimmy Atterstig; [2024]
    Nyckelord :Electronics; leakage current; brokaw bandgap; semiconductor physics; gauss-newton;

    Sammanfattning : Power-efficient circuits are a vital step in moving towards a greener future. Battery life can get substantially improved by decreasing the amount of power a circuit needs. Lower power also leads to less excess heat generated. LÄS MER

  3. 2. Modelling and Optimisation of Relativistic Magnetron with Transparent Cathode : Applications for High-Power Microwaves

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Fasta tillståndets elektronik

    Författare :David Sawert; [2023]
    Nyckelord :Relativistic Magnetron; RM; High-Power Microwaves; HPM; Particle-in-Cell; PIC; MAGIC3D; TE11;

    Sammanfattning : This thesis aimed to investigate the relativistic magnetron (RM), which is a high-power microwave (HPM) source. Since the RM can generate high-intensity microwave radiation, it can be used as a pulsed electromagnetic weapon to target electronic systems in different objects, such as drones, missiles, or vehicles. LÄS MER

  4. 3. Particle Simulation and Optimization of a Relativistic Magnetron for HPM Applications

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Fasta tillståndets elektronik

    Författare :Wilhelm Thunberg; [2022]
    Nyckelord :Relativistic Magnetron; FOI Magnetron; TE11; HPM; High Power Microwaves; Particle in cell; MAgic3d;

    Sammanfattning : A relativistic magnetron (RM) is a high-power microwave (HPM) source. The main objective of the RM is to generate directed electromagnetic pulses with high power, which can be used in e.g. HPM weapons and for electromagnetic compatibility testing. LÄS MER

  5. 4. Towards Underwater UV Communication- Simulation and Experimentation on Penetration of UV Radiation into Sea water.

    Master-uppsats, Blekinge Tekniska Högskola

    Författare :Subhash Chandra Ranga; [2021]
    Nyckelord :Optical Communication; Underwater communication Underwater communication Optical communication; Underwater communication Acoustic communication; Underwater communication Microwave communication; Visible Light Communication; Refractive Index.;

    Sammanfattning : People around the globe are immensely trying to connect using light as carrier due to its low power consumption and high data transfer rates. Sound and microwaves are examples of other carriers that can be used, although they aren't nearly as efficient as light. A method of communicating is using light beneath the surface of the water. LÄS MER

  7. 5. En ny motmedelsprincip : Kan HPM användas som motmedelssystem för helikopterplattformar?

    Uppsats för yrkesexamina på grundnivå, Försvarshögskolan

    Författare :Andreas Klint; [2017]
    Nyckelord :Högeffektiv pulsad mikrovågsstrålning; HPM; DIRCM; Helikopter; motmedelssystem;

    Sammanfattning : Denna studie undersöker ifall man i framtiden skulle kunna använda High Power Microwaves (HPM) som skyddssystem på helikopterplattformar. Skulle HPM kunna slå robotsystem på det elektroniska djupet istället för att avhaka eller blända hotsensorn, vilket idag görs med hjälp av facklor eller remsor. LÄS MER