Essays about: "antenna 2012"

Showing result 1 - 5 of 44 essays containing the words antenna 2012.

  1. 1. Arbitrary motion Synthetic Aperture Radar

    University essay from Lunds universitet/Matematisk statistik

    Author : Filip Alberius; Erik Rolander; [2023]
    Keywords : RADAR; SAR; Synthetic Aperture Radar; Pulsed Coherent Radar; PCR; VR; Virtual Reality; IMU; Inertial Measurment Unit; VAA; Virtual Antenna Array; Obstacle detection; Signal Processing; Matched Filter Method.; Technology and Engineering;

    Abstract : Syftet med denna avhandling är att utveckla en ny metod för att producera bilder med syntetisk aperturradar (SAR), med utgångspunkt i scenarier med arbiträr rörelse vad gäller radarsensorn. SAR är en väletablerad metod för att skapa 2- eller 3-dimensionella radarbilder, som traditionellt sett antar att radar-sensorns rörelse är linjär och förutsägbar. READ MORE

  3. 2. Incoherent Scattering of Twisted Radar Beams from the Ionosphere

    University essay from Uppsala universitet/Institutet för rymdfysik, Uppsalaavdelningen

    Author : Viktor Lannér; [2017]
    Keywords : ionosphere; plasma; twisted beams; orbital angular momentum; oam effects;

    Abstract : In the search for natural orbital angular momentum (OAM) effects, some of the first incoherent scatter experiments with twisted radar beams during aurora were conducted at Poker Flat Incoherent Scatter Radar (PFISR), Alaska, USA, in October 2012. Experimental data of scatter from beam configurations with opposite twists were investigated. READ MORE

  4. 3. Enhancement of Positioning and Attitude Estimation Using Raw GPS Data in an Extended Kalman Filter

    University essay from Linköpings universitet/Reglerteknik; Linköpings universitet/Tekniska högskolan

    Author : Jesper Carlsson; [2014]
    Keywords : GPS; attitude determination; pseudorange; tight coupling;

    Abstract : A Global Positioning System (GPS) can be used to estimate an objects position,given that the object has a GPS antenna. However, the system requires informationfrom at least four independent satellites in order to be able to give a positionestimate. READ MORE

  5. 4. Maximum Capacity Antenna Design for an Indoor MIMO UWB Communication System

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Ran Liu; Hao Liu; [2012]
    Keywords : MIMO; UWB; Antenna Design; In-door Communication and Capacity Analysis;

    Abstract : Ultra-wideband (UWB) offers a high data rate transmission, however it only can be used in short distance communication due to its low power restricted by regulations, therefore it is applicable for an indoor scenario. Within an enclosed (indoor) scenario, there exist many possible multipaths of electromagnetic waves which lead to an effect known as fading [Big07]. READ MORE

  6. 5. Propagation Model for Fresh Food : Fundamental Principle and Measurement Analysis

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Bharath Ranganathan; [2012]
    Keywords : Narrowband Measurements; Propagation; Impulse response; pathloss;

    Abstract : The global fresh food tracking system (FFT) is widely used service based on monitoring a set of primary environmental conditions during the transportation of fresh food using the GSM, RFID and WSN. In order to provide design guidelines for such devices, it is therefore important to develop effective channel model and see how the fresh food affects the transmitted electromagnetic signals. READ MORE