Results 111 to 120 of about 6,651 (246)

A Novel Method for PolISAR Interpretation of Space Target Structure Based on Component Decomposition and Coherent Feature Extraction

open access: yesRemote Sensing
Inverse Synthetic Aperture Radar (ISAR) serves as a valuable instrument for surveillance of space targets. There has been a great deal of research on space target identification using ISAR.
Zhuo Chen   +5 more
doaj   +1 more source

Nearfield RCS Measurements of Full Scale Targets Using ISAR [PDF]

open access: yes, 2014
Nearfield Radar Cross Section (RCS) measurements and Inverse Synthetic Aperture Radar (ISAR) processing are used in this study to obtain geometrically correct images and farfield RCS.
Larsson, Christer
core  

Experimental Synthetic Aperture Radar with Dynamic Metasurfaces

open access: yes, 2017
We investigate the use of a dynamic metasurface as the transmitting antenna for a synthetic aperture radar (SAR) imaging system. The dynamic metasurface consists of a one-dimensional microstrip waveguide with complementary electric resonator (cELC ...
Boyarsky, Michael   +6 more
core   +2 more sources

Formación de imagenes de blancos radar mediante tecnicas de apertura sintetica inversa con iluminación de onda esferica en campo próximo (SWISAR) [PDF]

open access: yes, 1991
The paper presents a new Inverse Synthetic Aperture Radar (ISAR) algorithm intended for radar targets reflectivity imaging from scattering measurements.
Broquetas Ibars, Antoni   +3 more
core  

Autofocus for inverse synthetic aperture radar (ISAR) imaging [PDF]

open access: yes
Autofocus is a key step of inverse synthetic aperture radar (ISAR) imaging. In this paper four new approaches to autofocussing based on the application of beamforming and subspace concepts to ISAR imaging are developed.
Bogner, R E, Gray, D A, She, Zhishun
core  

River Run Off Measurement With SAR Along Track Interferometry [PDF]

open access: yes, 2004
The paper summarizes the need for global space borne river run-off measurements. It reports about an airborne SAR experiment aimed to measure the surface velocity of the river Isar in Bavaria / Germany.
Eineder, Michael   +4 more
core  

2-D Coherence Factor for Sidelobe and Ghost Suppressions in Radar Imaging [PDF]

open access: yes, 1956
The coherence factor (CF) is defined as the ratio of coherent power to incoherent power received by the radar aperture. The incoherent power is computed by the multi-antenna receiver based on only the spatial variable.
Li, Shiyong   +4 more
core   +3 more sources

Μελέτη μεθόδων μη παραμετρικής φασματικής ανάλυσης για την απεικόνιση εναέριων στόχων με την χρήση ραντάρ αντίστροφης συνθετικής απεικόνισης [PDF]

open access: yes, 2014
Αντικείμενο της διατριβής αποτελεί η μελέτη της απεικονιστικής τεχνικής του ραντάρ αντίστροφης συνθετικής απεικόνισης (Inverse Synthetic Aperture Radar - ISAR) με την χρήση μεθόδων μη παραμετρικής φασματικής ανάλυσης. Οι μέθοδοι που εξετάζονται είναι οι μέθοδοι μη παραμετρικής φασματικής ανάλυσης CAPON και APES, ο αλγόριθμος εκτίμησης φασματικών ...
openaire   +2 more sources

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