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   Articles with "bistatic sar" as a keyword



COBIS: Opportunistic C-Band Bistatic SAR Differential Interferometry

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recommendations! Published in 2019 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2019.2939194

Abstract: Monitoring large built structures, landslides, volcanoes, or glaciers implies relative height measurements and line-of-sight (LOS) displacement measurements, which are typically performed with monostatic spaceborne synthetic aperture radar (SAR) sensors. In this case, for each satellite… read more here.

Keywords: sar; sar differential; differential interferometry; opportunistic band ... See more keywords

Derivation of Bistatic SAR Resolution Equations Based on Backprojection

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recommendations! Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2018.2810314

Abstract: This letter introduces ground-range and cross-range resolution equations for the side-looking bistatic synthetic aperture radar (SAR). The derivation is based on the backprojection integral and the method of stationary phase. The ground-range and cross-range resolution… read more here.

Keywords: based backprojection; bistatic sar; resolution equations; range ... See more keywords

Sidelobe Control for Bistatic SAR Imaging

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2021.3099174

Abstract: This letter presents coherent and incoherent nonlinear apodization methods for bistatic synthetic aperture radar (SAR) imaging. The methods are developed on the principle of nonlinear apodization for monostatic SAR imaging and a $\omega \,\,-\,\,k$ relationship… read more here.

Keywords: sar imaging; apodization methods; bistatic sar; sidelobe ... See more keywords
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Tilt Phenomenon in Bistatic SAR Image

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2022.3141845

Abstract: The tilt phenomenon or skew in bistatic synthetic aperture radar (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… read more here.

Keywords: sar; tilt phenomenon; bistatic sar; sar image ... See more keywords

An Autofocus Scheme of Bistatic SAR Considering Cross-Cell Residual Range Migration

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2022.3173680

Abstract: Benefiting from the capability of forward-looking imaging, ability of receiver radio silence, and resistance of jamming, bistatic synthetic aperture radar (SAR) has extensive potential applications. However, due to its independent dual platform movement, motion error… read more here.

Keywords: cell residual; bistatic sar; cross cell; range ... See more keywords

Bistatic SAR: Forecasting Spatial Resolution

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recommendations! Published in 2019 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2018.2873076

Abstract: This paper derives closed-form expressions for bistatic synthetic aperture radar (SAR) spatial resolution of a generalized system from the $k$-space or the wavenumber domain. These spatial resolution equations have not previously appeared in the literature.… read more here.

Keywords: resolution; spatial resolution; bistatic sar; forecasting spatial ... See more keywords

Bistatic SAR Radar for Long-Term Snow Pack Monitoring

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recommendations! Published in 2020 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2019.2935781

Abstract: This article presents a short-range, bistatic radar system for in situ, long-term snow monitoring. The proposed system is capable of autonomously capturing time-lapsed, 2-D images of the snow cover. In this article, we report on… read more here.

Keywords: term snow; bistatic sar; long term; bistatic radar ... See more keywords

Bistatic SAR Point Spread Function Analysis for Close Proximity Geometries

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recommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3214188

Abstract: The goal of this project is to describe the spatially variant imaging performance of bistatic SAR imaging using a localized spatially invariant approximation, so as to use spatial Fourier analysis. Bistatic synthetic aperture radar (BSAR)… read more here.

Keywords: spread function; bistatic sar; analysis; point spread ... See more keywords

In-Orbit Assessment of the Synchronization Performance of LuTan-1 Bistatic SAR

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recommendations! Published in 2025 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2025.3630171

Abstract: Time synchronization and phase synchronization are indispensable for spaceborne bi-/multistatic synthetic aperture radar (SAR) systems. The LuTan-1 (LT-1) bistatic SAR system employs a time synchronization scheme combining pulse-per-second (PPS) signals with GNSS-disciplined oscillators (GDOs), along… read more here.

Keywords: bistatic sar; synchronization performance; time; synchronization ... See more keywords