Results 21 to 30 of about 1,721,111 (174)

Bistatic 3D SAR for wall parameter extraction in cluttered environments

open access: yesElectronics Letters, 2021
Through‐wall radar is an emergent technology rooted in urban surveillance, a key component being synthetic aperture radar (SAR). Accurate through‐wall SAR relies on knowledge of the refractive index and thickness of any obscuring walls.
James Elgy, Daniel Andre, Mark Finnis
doaj   +1 more source

Performance Evaluation of Spaceborne Bistatic SAR Systems [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
In this paper, the performances of spaceborne bistatic synthetic aperture radar (SAR) systems are evaluated and compared with those of the conventional monostatic SAR system.
Suk-Jin Kim   +5 more
doaj   +1 more source

Unambiguous signal reconstruction for GEO-LEO bistatic SAR with azimuth multichannel

open access: yesThe Journal of Engineering, 2019
Spaceborne bistatic multichannel synthetic aperture radar (MC-SAR) system employed inclined geosynchronous Earth orbit (GEO) transmitter and low-Earth-orbit (LEO) receiver can provide fine spatial resolution and a vast area of surveillance, which ...
Yuekun Wang   +4 more
doaj   +1 more source

Are Pixel Intensities Proportional To Radar Cross Section In SAR Images? [PDF]

open access: yes, 2012
Radar cross section has long been the measurement quantity of choice to describe the radar reflectivity of point targets in calibrated synthetic aperture radar (SAR) images.
Döring, Björn J.   +3 more
core   +1 more source

Performance Comparison between Monostatic and Bistatic Staring Spotlight Modes Based on Several Scenarios [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
This paper analyzes the performance of the bistatic staring spotlight mode in a low-orbit satellite environment and then compares it with the performance of the monostatic staring spotlight mode. The staring spotlight mode provides high-resolution images
Seong Joo Maeng   +5 more
doaj   +1 more source

The Radiometric Measurement Quantity for SAR Images [PDF]

open access: yes, 2013
A Synthetic Aperture Radar (SAR) system measures among other quantities the terrain radar reflectivity. After image calibration, the pixel intensities are commonly expressed in terms of radar cross sections (for point targets) or as backscatter ...
Döring, Björn, Schwerdt, Marco
core   +1 more source

A SIFT Algorithm for Bistatic SAR Imaging in a Spaceborne Constant-offset Configuration (in English) [PDF]

open access: yesLeida xuebao, 2013
This paper focuses on the problem of the space-variance of the range-cell migration term for bistatic Synthetic Aperture Radar (SAR) and proposes a Scaled Inverse Fourier Transform (SIFT)-based imaging algorithm for the constant-offset configuration of ...
Chen Shi-chao   +3 more
doaj   +1 more source

Indoor Experiments of Bistatic/Multistatic GB-SAR with One-Stationary and One-Moving Antennae

open access: yesRemote Sensing, 2021
Ground-based synthetic aperture radar (GB-SAR) is a useful tool to simulate advanced SAR systems with its flexibility on RF system and SAR configuration.
Hoonyol Lee, Jihyun Moon
doaj   +1 more source

Analysis on Missile-borne Bistatic Forward-looking SAR Imaging Perfomance

open access: yesMATEC Web of Conferences, 2017
Synthetic aperture radar (SAR) has been gradually applied to missile guidance for its advantages of all-weather, all-time and long-distance capabilities.
Chen Qi   +3 more
doaj   +1 more source

Multidimensional Waveform Encoding for Synthetic Aperture Radar Remote Sensing [PDF]

open access: yes, 2007
This paper introduces and analyses the innovative concept of multidimensional waveform encoding for spaceborne synthetic aperture radar (SAR). The combination of this technique with digital beamforming on receive enables a new class of highly ...
Moreira, Alberto   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy