The paper focuses on the concept of a formation-flying synthetic aperture radar (FF-SAR) bistatic system composed of a set of compact, low-weight satellite receivers in close formation (within 1 km) placed in the same low-Earth orbit at large distance (about 100 km) from a transmitter. Each receiver is conceived to fit a 12-unit CubeSat. A signal model adapted to the proposed formation geometry is also presented, and a corresponding processing scheme to achieve range swath widening and signal-to-noise ratio (SNR) improvement is illustrated and discussed.

FORMATION-FLYING SAR RECEIVERS IN FAR-FROM-TRANSMITTER GEOMETRY: SIGNAL MODEL AND PROCESSING SCHEME

Di Martino G.;Di Simone A.;Grassi M.;Grasso M.;Graziano M. D.;Iodice A.;Moccia A.;Renga A.;Riccio D.;Ruello G.
2021

Abstract

The paper focuses on the concept of a formation-flying synthetic aperture radar (FF-SAR) bistatic system composed of a set of compact, low-weight satellite receivers in close formation (within 1 km) placed in the same low-Earth orbit at large distance (about 100 km) from a transmitter. Each receiver is conceived to fit a 12-unit CubeSat. A signal model adapted to the proposed formation geometry is also presented, and a corresponding processing scheme to achieve range swath widening and signal-to-noise ratio (SNR) improvement is illustrated and discussed.
978-1-6654-0369-6
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/892201
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