Sökning: "radar signal processing"

Visar resultat 1 - 5 av 56 avhandlingar innehållade orden radar signal processing.

  1. 1. The ubiquitous signal processing : Applications to communications, spectral analysis and array processing

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Erik G. Larsson; Uppsala universitet.; Uppsala universitet.; [2002]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; digital signal processing; array processing; spectral analysis; incomplete data; wireless communications; space-time coding; synthetic aperture radar imaging; signal separation; estimation; detection; TECHNOLOGY Information technology Signal processing; TEKNIKVETENSKAP Informationsteknik Signalbehandling; Signal Processing; Signalbehandling;

    Sammanfattning : This dissertation is concerned with statistical signal processing and its applications. The thesis consists of three parts: I) applications to wireless communications, II) applications to spectral analysis and III) applications to array processing. LÄS MER

  2. 2. Estimation Problems in Array Signal Processing, System Identification, and Radar Imagery

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Richard Abrahamsson; Uppsala universitet.; Uppsala universitet.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Parameter Estimation; Array Signal Processing; STAP; SAR; Ground Penetrating Radar; System Identification; Bilinear Models; Covariance Matrix Estimation; TECHNOLOGY Information technology Signal processing; TEKNIKVETENSKAP Informationsteknik Signalbehandling; Signal Processing; Signalbehandling;

    Sammanfattning : This thesis is concerned with parameter estimation, signal processing, and applications. In the first part, imaging using radar is considered. More specifically, two methods are presented for estimation and removal of ground-surface reflections in ground penetrating radar which otherwise hinder reliable detection of shallowly buried landmines. LÄS MER

  3. 3. Signal Processing for Radar with Array Antennas and for Radar with Micro-Doppler Measurements

    Detta är en avhandling från Karlskrona : Blekinge Tekniska Högskola

    Författare :Svante Björklund; Blekinge Tekniska Högskola.; [2017]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; radar; signal processing; array antenna; subarray; clutter; jamming; interference; direction of arrival estimation; security; micro-Doppler; feature extraction; classification;

    Sammanfattning : Radar (RAdio Detection And Ranging) uses radio waves to detect the presence of a target and measure its position and other properties. This sensor has found many civilian and military applications due to advantages such as possible large surveillance areas and operation day and night and in all weather. LÄS MER

  4. 4. Ultrawideband-Ultrawidebeam Synthetic Aperture Radar – Signal Processing and Applications

    Detta är en avhandling från Karlskrona : Blekinge Institute of Technology

    Författare :Viet Thuy Vu; Blekinge Tekniska Högskola.; [2011]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This dissertation presents practical issues in Ultrawideband – Ultrawidebeam (UWB) Synthetic Aperture Radar (SAR) signal processing and crucial applications developed on UWB SAR. In the context of this dissertation, UWB SAR refers to the SAR systems utilizing large fractional bandwidth signals and synthesizing long apertures associated with wide antenna beamwidths. LÄS MER

  5. 5. Ground Object Recognition using Laser Radar Data Geometric Fitting, Performance Analysis, and Applications

    Detta är en avhandling från Institutionen för systemteknik

    Författare :Christna Grönwall; Linköpings universitet.; Linköpings universitet.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Laser radar; object detection; object recognition; performance; least squares; ICP; Cramér-Rao; TECHNOLOGY Information technology Signal processing; TEKNIKVETENSKAP Informationsteknik Signalbehandling;

    Sammanfattning : This thesis concerns detection and recognition of ground object using data from laser radar systems. Typical ground objects are vehicles and land mines. For these objects, the orientation and articulation are unknown. The objects are placed in natural or urban areas where the background is unstructured and complex. LÄS MER