NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 109 for “"Synthetic aperture radar (SAR)"”.

  1. A spaceborne Synthetic Aperture Radar (SAR) processor design

    Kritzinger, Paul JohanDepartment of Electrical Engineering1991

    cape-town Repository record

  2. 3D intrawall imaging using backprojection for synthetic aperture radar (SAR)

    Dass, ReevelenDepartment of Electrical Engineering2024

    … and Industrial Research (CSIR) has evolving synthetic aperture radar (SAR) capabilities in the C-band and the L-band. Currently, these capabilities are used to generate aerial landscape images; however, to explore the feasibility of using this technology in different environments, an …

    cape-town Repository record

  3. Orthogonally coded array for high-speed synthetic aperture radar (SAR) imaging

    Vaccaro, Marshall ChristopherIowa State University2022

    Synthetic aperture radar (SAR) imaging, for nondestructive testing (NDT) purposes, has been applied to a wide range of applications. Within the SAR family, many different imaging systems have been designed and developed to optimize the tradeoffs between image quality, resolution, image production …

    iastate Repository record

  4. Synthetic aperture radar (SAR) imaging and polarimetric clutter analysis using automotive radars

    Iqbal, HasanUniversität Ulm

    ulm-diss Repository record

  5. Categorization of electromagnetic radiation scatterers by means of synthetic aperture radar (SAR) images

    Κουρούπης, Γεώργιος2020

    Radar image analysis is the cutting edge technology in Remote Sensing for observing the Earth’s surface. Radars as passive sensors acquire the backscattered solar illumination from the Earth’s surface and as such they are subject to atmospheric conditions. On the other hand, radars can be active …

    patras-thes Repository record

  6. Influence of antenna pattern on synthetic aperture radar (SAR) imaging and complex permittivity extraction from images of multilayered media

    Liu, ChaoIowa State University2021

    Microwave and millimeter wave synthetic aperture radar (SAR) imaging technique has been widely used for nondestructive evaluation (NDE) applications. To evaluate the performance of a SAR imaging system, factors including image production time, image quality, and capability to get quantitative …

    iastate Repository record

  7. Tapping space and spacing taps: Topics in radar-astronomy imaging and sparse filter design

    Webb, Jennifer Lois HarmonUniversity of Illinois at Urbana-Champaign2011

    … dissertation addresses topics in the areas of synthetic aperture radar (SAR) and finite impulse-response (FIR) digital filter design.

    uiuc Repository record

  8. Time domain synthetic aperture radar image processing using fast factorised backprojection

    Adams, ShamielDepartment of Electrical Engineering2005

    Fast Factorised Backprojection(FFBP) is a Synthetic Aperture Radar (SAR) focusing technique which uses Filtered Backprojection(FBP) to produce high quality images in the spatial domain at speeds which rival spectral domain SAR focusing methods. Synthetic Aperture Radar (SAR) focusing is …

    cape-town Repository record

  9. Implementation and analysis of a bayesian approach to topographic reconstruction with multiple antenna synthetic aperture radar interferometry

    Ashok, AmitDepartment of Electrical Engineering2001

    Multiple-antenna synthetic aperture radar (SAR) interferometry is a single-pass interferometry technique for topographic mapping. A Bayesian model-base approach to topographic recontruction with multiple-antenna SAR interferomety, proposed by Dr. A. J. Wilkinson, is implemented and analysed in this …

    cape-town Repository record

  10. Investigation of topics in radar signal processing

    Arikan, OrhanUniversity of Illinois at Urbana-Champaign2011

    … proposed by W. Lawton for spotlight-mode synthetic aperture radar (SAR). The spatial domain image is produced through a series of convolutions and DFTs, all performed using FFTs. We show that the algorithm implements a form of trapezoidal-to-Cartesian interpolation followed by an FFT.

    uiuc Repository record

  11. Synthetic aperture radar image simulator for interferometry

    Wray, Lisa ShannonDepartment of Electrical Engineering2001

    An interferometric synthetic aperture radar (SAR) simulator was created for the purposes of experimenting with and demonstration of the interferometric process, mission planning and radar image interpretation. The simulation method employs image statistics and terrain geometry to form a synthetic …

    cape-town Repository record

  12. A Consideration of Signal Processing for Spotlight Synthetic Aperture Radar (Ambiguity Functions)

    O'brien, James DennisUniversity of Illinois at Urbana-Champaign2014

    An analysis of spotlight mode synthetic aperture radar (SAR) imaging was carried out using a model based solely on the recognizable similarity it shares with tomographic reconstruction. Doppler effects were relegated to a pre-processing step. Results of this investigation included a determination …

    uiuc Repository record

  13. The planning of a South African airborne synthetic aperture radar measuring campaign

    Alexander, Leon ADepartment of Electrical Engineering1994

    … done in preparation for a South African Airborne Synthetic Aperture Radar (SAR) measuring campaign envisaged for 1994/5. At present both airborne and spaceborne SARs have found a niche in remote sensing with applications in subsurface mapping, surface moisture mapping, vegetation mapping, rock …

    cape-town Repository record

  14. Cramer-Rao Lower Bound Derivation and Performance Analysis for Space-Based SAR SMTI

    Rashid, MamoonCarleton University2016

    … Bound (CRLB) for multi-channel space- borne synthetic aperture radar (SAR) system and provides surface moving target in- dication (SMTI) performance analysis. A multi-channel moving target signal model is derived in satellite earth-fixed earth-centered coordinate system. This model is used in …

    carleton Repository record

  15. ATREngine: An Orientation-Based Algorithm for Automatic Target Recognition

    Kuo, Justin Ting-Jeuan2014

    … approach from previous ATR algorithms for 2-D Synthetic Aperture Radar (SAR) images. Prior work in ATR includes Chessa Guilas’ Hausdorff Probabilistic Feature Analysis Approach in 2005 and Daniel Cary’s Optimal Rectangular Fit in 2007.</p> <p>A system incorporating multiple modules performing …

    calpoly Repository record

  16. Joint anisotropy characterization and image formation in wide-angle synthetic aperture radar

    Varshney, Kush R. (Kush Raj)Massachusetts Institute of Technology2006

    Imagery formed from wide-angle synthetic aperture radar (SAR) measurements has fine cross-range resolution in principle. However, conventional SAR image formation techniques assume isotropic scattering, which is not valid with wide-angle apertures. Also, the spatial location of scattering centers …

    mit Repository record

  17. Machine Learning and Data Fusion of Simulated Remote Sensing Data

    Higgins, Erik TracyVirginia Tech2023

    … of simulating a ship wake followed by simulated synthetic aperture radar (SAR) and infra-red (IR) images of these ship wakes. A parametric study across several different ocean environments and simulated remote sensing platforms is conducted to generate a preliminary data set that is used for …

    vt Repository record

  18. MIMO radar: signal processing, waveform design, and applications to synthetic aperture imaging

    Davis, Michael ScottGeorgia Institute of Technology2015

    … of multiple-input, multiple-output (MIMO) radar techniques to improve the image quality and area-coverage rate of synthetic aperture imaging systems. A signal processing architecture for MIMO radar is used to understand the applicability of MIMO for synthetic aperture radar (SAR) and …

    gatech Repository record

  19. A NEW SUBAPERTURE APPROACH TO HIGH SQUINT SYNTHETIC APERTURE RADAR PROCESSING

    TAN NGEE LENG1999

    Synthetic Aperture Radar (SAR) usually operate in a strip-imaging mode with the antenna pointing 90-degree broadside (side-looking). However, in some applications like airborne fire control radar or military reconnaissance where the area of interests cannot be reached instantly, the antenna …

    nus Repository record

  20. Motion Compensation of Interferometric Synthetic Aperture Radar

    Duncan, David P.2004

    … from a nominal, straight-line flight path of a synthetic aperture radar (SAR) lead to inaccurate and defocused radar images. This thesis is an investigation into the improvement of the motion compensation algorithm created for the BYU inteferometric synthetic aperture radar, YINSAR. The existing …

    byu Repository record

Page 1 of 6