A Two Dimensional Overlapped Subaperture Polar Format Algorithm Based on Stepped-chirp Signal

In this work, a 2-D subaperture polar format algorithm (PFA) based on stepped-chirp signal is proposed. Instead of traditional pulse synthesis preprocessing, the presented method integrates the pulse synthesis process into the range subaperture processing. Meanwhile, due to the multi-resolution prop...

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Detalles Bibliográficos
Autores principales: Mao, Xinhua, Zhu, Daiyin, Nie, Xin, Zhu, Zhaoda
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2008
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3675553/
https://www.ncbi.nlm.nih.gov/pubmed/27879887
http://dx.doi.org/10.3390/s8053438
Descripción
Sumario:In this work, a 2-D subaperture polar format algorithm (PFA) based on stepped-chirp signal is proposed. Instead of traditional pulse synthesis preprocessing, the presented method integrates the pulse synthesis process into the range subaperture processing. Meanwhile, due to the multi-resolution property of subaperture processing, this algorithm is able to compensate the space-variant phase error caused by the radar motion during the period of a pulse cluster. Point target simulation has validated the presented algorithm.

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