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A novel photonic stretch receiver for synthetic aperture radar is developed and experimentally demonstrated. The photonic receiver is proved in a microwave anechoic chamber, and evaluated through inverse SAR imaging tests in a field trial.
Bistatic Inverse synthetic aperture radar (ISAR) offers the advantages to overcome the limitations of monostatic ISAR with separated bistatic sites. However, the spatial separation results in a special requirement of the reduction of phase error between the bistatic sites. In this paper, the impact of phase error on bistatic ISAR is analysed briefly, and a phase synchronization technique via a long...
This study presents a fast backprojection algorithm (FBPA) for bistatic forward-looking spotlight synthetic aperture radar (BFSSAR) imaging. It represents the subimages on the polar grids to reduce the computational burden. First, the backprojection algorithm for the BFSSAR imaging is introduced. Then, FBPA for the BFSSAR imaging based on the subaperture processing is provided, and the sampling requirements...
Global Navigation Satellite System (GNSS) provides opportunities for passive radar applications. This paper reports progress in space-surface bistatic synthetic aperture radar (SS-BiSAR) using Beidou-2 as transmitters of opportunity and a fixed ground-based receiver. Experiment is described and the obtained SAR image is presented and interpreted in detail. Results show that BiSAR using beidou-2 as...
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