Results 1 to 10 of about 2,962 (173)

Research on Configuration Constraints of Airborne Bistatic SARs [PDF]

open access: yesSensors, 2022
Based on the analysis of the airborne bistatic synthetic aperture radar (SAR) imaging geometric mode, an extended nonlinear chirp scaling algorithm is employed to simulate and verify the imaging effect of the bistatic SARs.
Yidi Chen   +5 more
doaj   +2 more sources

Implementation of a Phase Synchronization Scheme Based on Pulsed Signal at Carrier Frequency for Bistatic SAR [PDF]

open access: yesSensors, 2020
Phase synchronization is one of the key technical challenges and prerequisites for the bistatic synthetic aperture radar (SAR) system, which can form a single-pass interferometry system to perform topographic mapping.
Yafeng Chen   +8 more
doaj   +2 more sources

The BELSAR dataset: Mono- and bistatic full-pol L-band SAR for agriculture and hydrology [PDF]

open access: yesScientific Data
The BELSAR dataset consists of high-resolution multitemporal airborne mono- and bistatic fully-polarimetric synthetic aperture radar (SAR) data in L-band, alongside concurrent measurements of vegetation and soil biogeophysical variables measured in maize
Jean Bouchat   +6 more
doaj   +2 more sources

Focusing Bistatic Forward-Looking Synthetic Aperture Radar Based on an Improved Hyperbolic Range Model and a Modified Omega-K Algorithm [PDF]

open access: yesSensors, 2019
For parallel bistatic forward-looking synthetic aperture radar (SAR) imaging, the instantaneous slant range is a double-square-root expression due to the separate transmitter-receiver system form. The hyperbolic approximation provides a feasible solution
Chenchen Wang   +3 more
doaj   +2 more sources

UAV-Based Bistatic SAR-Imaging Using a Stationary Repeater

open access: yesIEEE Journal of Microwaves, 2023
Synthetic aperture radar (SAR) is an established technique for high-resolution radar imaging relying on the ego-motion of the radar. The long coherent integration time of the radar in conjunction with a linear or circular trajectory enables the ...
Alexander Grathwohl   +4 more
doaj   +1 more source

Analysis and Experimental Validation of Key Technologies for Unmanned Aerial Vehicle-borne Bistatic Interferometric Synthetic Aperture Radar

open access: yesLeida xuebao, 2023
Bistatic interferometric Synthetic Aperture Radar (SAR) overcomes the baseline length limit of the configuration of single-station interferometric SAR with two antennas and has become the primary method of terrain mapping using spaceborne interferometric
Jinbiao ZHU   +11 more
doaj   +1 more source

Analysis of a Bistatic Ground-Based Synthetic Aperture Radar System and Indoor Experiments

open access: yesRemote Sensing, 2020
Recent advancement of satellite synthetic aperture radar (SAR) techniques require more sophisticated system configurations such as the use of bistatic antennas or multi-frequencies.
Hoonyol Lee, Jihyun Moon
doaj   +1 more source

Modeling and Analysis of RFI Impacts on Imaging between Geosynchronous SAR and Low Earth Orbit SAR

open access: yesRemote Sensing, 2022
Due to the short revisit time and large coverage of Geosynchronous synthetic aperture radars (GEO SARs) and the increasing number of low earth orbit synthetic aperture radar (LEO SAR) constellations, radio frequency interference (RFI) between GEO SARs ...
Xichao Dong   +4 more
doaj   +1 more source

Baseline Calibration of L-Band Spaceborne Bistatic SAR TwinSAR-L for DEM Generation

open access: yesRemote Sensing, 2023
The Terrain Wide-swath Interferometric L-band Synthetic Aperture Radar (TwinSAR-L) mission is a spaceborne bistatic synthetic aperture radar (SAR) mission to derive a high-quality global digital elevation model (DEM).
Jingwen Mou   +4 more
doaj   +1 more source

Mixed Compressive Sensing Back-Projection for SAR Focusing on Geocoded Grid

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
This article presents a new scheme called 2-D mixed compressive sensing back-projection (CS-BP-2D), for synthetic aperture radar (SAR) imaging on a geocoded grid, in a single measurement vector frame.
Adrian Focsa   +3 more
doaj   +1 more source

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