Results 1 to 10 of about 457 (166)

Time-Domain and Monostatic-like Frequency-Domain Methods for Bistatic SAR Simulation [PDF]

open access: yesSensors, 2021
In recent years, an increasing interest has been devoted to bistatic SAR configurations, which can be effectively used to improve system performance and/or to increase the amount of physical information retrievable from the observed scene.
Gerardo Di Martino   +3 more
doaj   +2 more sources

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

Accurate Analysis of Target Characteristic in Bistatic SAR Images: A Dihedral Corner Reflectors Case [PDF]

open access: yesSensors, 2017
The dihedral corner reflectors are the basic geometric structure of many targets and are the main contributions of radar cross section (RCS) in the synthetic aperture radar (SAR) images.
Dongyang Ao   +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

Tilt Phenomenon in Bistatic SAR Image [PDF]

open access: yesIEEE Geoscience and Remote Sensing Letters, 2022
The tilt phenomenon or skew in bistatic SAR images has been known. This can be observed from the SAR image of a point-like scatterer, even with a symmetrical bistatic aperture. This letter explains this phenomenon in bistatic SAR images and shows that the phenomenon depends on the initial and the last positions of the transmitter and receiver platforms.
Viet T. Vu, Mats I. Pettersson
openaire   +2 more sources

Unambiguous Imaging Method for GEO-LEO Bistatic SAR Based on Joint Sequential Multiframe and Multichannel Receiving Recovery

open access: yesLeida xuebao, 2022
A geosynchronous (GEO) satellite can provide continuous illumination with broad beam coverage for a Low Earth Orbit (LEO) receiver, used as the transmitting station of bistatic Synthetic Aperture Radar (SAR).
Hongyang AN   +4 more
doaj   +1 more source

Bistatic-Like Differential SAR Tomography [PDF]

open access: yesIEEE Transactions on Geoscience and Remote Sensing, 2019
Motivated by prospective synthetic aperture radar (SAR) satellite missions, this paper addresses the problem of differential SAR tomography (D-TomoSAR) in urban areas using spaceborne bistatic or pursuit monostatic acquisitions. A bistatic or pursuit monostatic interferogram is not subject to significant temporal decorrelation or atmospheric phase ...
Nan Ge, Xiao Xiang Zhu
openaire   +2 more sources

Soil Moisture Retrieval Using Multistatic L-Band SAR and Effective Roughness Modeling

open access: yesRemote Sensing, 2022
The interest in bistatic SAR systems for soil moisture monitoring has grown over recent years, since theoretical studies suggest that the impact of surface roughness on the retrieval of soil moisture decreases when multistatic, i.e., simultaneous mono ...
Emma Tronquo   +5 more
doaj   +1 more source

A Bistatic Analytical Approximation Model for Doppler Rate Estimation Error from Real-Time Spaceborne SAR Onboard Orbit Determination Data

open access: yesRemote Sensing, 2020
Real-time spaceborne bistatic SAR imaging could significantly reduce the whole processing time and can enhance the spaceborne SAR mission availability.
Xiaoyu Yan   +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

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