Spotlight-mode SAR is fundamentally a problem. It can be modeled using the projection-slice theorem from Computerized Axial Tomography (CAT).
To transform raw radar returns into a high-quality image, several critical processing steps are required: Spotlight-Mode Synthetic Aperture Radar: A Sign...
: High resolution is achieved by synthesizing a large virtual antenna through the platform's motion. Spotlight-mode SAR is fundamentally a problem
This paper examines the theoretical foundations and signal processing methodologies of , a high-resolution microwave imaging technique . Unlike traditional stripmap SAR, which maintains a fixed antenna angle, spotlight mode continuously steers the antenna to illuminate a single ground patch, significantly increasing the coherent integration time and azimuth resolution. 1. Theoretical Foundation: The Tomographic Paradigm which maintains a fixed antenna angle