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- W3013853338 abstract "Spaceborne bistatic synthetic aperture radar (SAR) real-time imaging products may provide valuable information in certain applications. The onboard orbit determination data of the spaceborne SAR platform is essential for SAR imaging procedure. For real-time SAR imaging, the onboard orbit determination data is relatively low in accuracy compared with the orbit ephemeris applied in ground SAR processing. This paper proposed a doppler parameter estimation model with onboard satellite orbit determination and inter-satellite distance measurement to reduce estimation errors. Simulation results shows that in most cases the proposed estimation model presents a smaller quadrature phase error (QPE) introduction than the onboard estimation without using inter-satellite distance measurement. This estimation model may be helpful to get spaceborne bistatic SAR real-time imaging products with lower azimuth impulse response width expansion." @default.
- W3013853338 created "2020-04-03" @default.
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- W3013853338 date "2019-11-01" @default.
- W3013853338 modified "2023-10-16" @default.
- W3013853338 title "Doppler Parameter Estimation Model Using Onboard Orbit Determination and Inter-satellite Distance Measurement for Spaceborne Bistatic SAR Real-time Imaging" @default.
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- W3013853338 doi "https://doi.org/10.1109/apsar46974.2019.9048520" @default.
- W3013853338 hasPublicationYear "2019" @default.
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