Sökning: "specular"

Visar resultat 1 - 5 av 23 uppsatser innehållade ordet specular.

  1. 1. Investigation of a Novel Atmosphere-Breathing Electric Propulsion Platform and Intake

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

    Författare :Kun Feng; [2023]
    Nyckelord :ABEP; VLEO; DSMC; FMF; Orbital Aerodynamics; ABEP; DSMC; VLEO; FMF; Orbital Aerodynamics;

    Sammanfattning : Very Low Earth Orbit (VLEO) provides many benefits for space missions, including better image resolution for Earth observation, better telecommunication link with ground stations, lower launch cost, lower risk of collisions, and fast end-of-life disposal. The last point in benefit is also the main challenge for placing satellites in VLEO. LÄS MER

  3. 2. Implementation of Scheimpflug Lidar for Entomological Monitoring of Bark Beetles

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

    Författare :Jonathan Peterson; [2020]
    Nyckelord :Scheimpflug Lidar; Lidar; Bark beetles; Forestry; Entomological monitoring; Physics and Astronomy;

    Sammanfattning : Bark beetles are responsible for great damages to Swedish forestry every year. This project focuses on a method of entomological lidar called Scheimpflug lidar to detect and monitor bark beetles. Scheimpflug lidar uses old techniques from photography to achieve a deep field of focus to resolve objects over long distances. LÄS MER

  4. 3. Geometry measurements using a smartphone

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för fysik

    Författare :Joakim Wiklund; [2020]
    Nyckelord :;

    Sammanfattning : Quality assurance is an important part of many industrial processes that involves different methods of determining the quality of a product. One of these methods is deflectometry, a method that uses a display to show patterns and a camera to capture the reflection of these patterns through a specular object which is being measured. LÄS MER

  5. 4. Real Time Voxel Cone Tracing using Bilateral Filters and 3D Clipmaps

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

    Författare :Alexander Lingtorp; [2020]
    Nyckelord :;

    Sammanfattning : Global illumination is a collective term of photorealistic lighting in computer graphics. Computation of global illumination is expensive in terms of real- time applications such as computer games. LÄS MER

  7. 5. Intake Design, and Optimization for an Atmosphere- Breathing Electric Propulsion System

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

    Författare :Jesus Espinosa Orozco; [2020]
    Nyckelord :Atmospheric Intake; ABEP; Electric Propulsion; Plasma; VLEO;

    Sammanfattning : Over the last two decades, Very Low Earth Orbit (VLEO) has gained researchers attention as it provides a significant amount of benefits in the field of earth observation and telecommunications. VLEO provides increased payload performance, improved geospatial accuracy, lower launch mass, simplified end of life disposal, and they reduce space-debris collision risk. LÄS MER