2023/01/31 · A signal-reconstruction-based phase gradient autofocus (SR-PGA) and a subimage resampling (SIR) methods are proposed. They are developed on the hyperbolic ...

2024/02/14 · To solve the problem, a signal-reconstruction-based phase gradient autofocus (SR-PGA) and a sub-image resampling (SIR) methods are proposed.

To solve the problem, a signal-reconstruction-based phase gradient autofocus (SR-PGA) and a sub-image resampling (SIR) methods are proposed. They are developed ...

2023/03/02 · To solve the problem, a signal-reconstruction-based phase gradient autofocus (SR-PGA) and a subimage resampling (SIR) methods are proposed. They ...

For spotlight mode synthetic aperture radar (SAR) autofocusing, the traditional full-aperture phase gradient autofocus (PGA) algorithm might suffer from ...

A High-Resolution Airborne SAR Autofocusing Approach Based on SR-PGA and Subimage Resampling With Precise Hyperbolic Model · Engineering, Environmental Science.

This paper describes the Pi-SAR system, its data processing system and data processing steps, and provides an evaluation of its capabilities based on the ...

2024/06/04 · ... A high-resolution airborne SAR autofocusing approach based on SR-PGA and subimage resampling with precise hyperbolic model. IEEE J Sel Top ...

A High-Resolution Airborne SAR Autofocusing Approach Based on SR-PGA and Subimage Resampling With Precise Hyperbolic Model. Y Deng, H Wang, GC Sun, Y Wang, W ...

In PFA-based SAR processing, autofocus methods are interposed between the resampling and the Fourier transformation stages, but they are not strictly ...