During the data acquisition of a sliding spotlight or terrain observation by progressive scan
(TOPS) synthetic aperture radar (SAR), the steering of the antenna main beam increases the …

Terrain Observation by Progressive Scans (TOPS) synthetic aperture radar (SAR) and
spotlight SAR are advanced SAR imaging modes for wide range swath and high resolution …

In this letter, we suggest using multiple azimuth channels (MACs) for synthetic aperture
radar in the sliding spotlight mode. First, we analyze the scene size constraints of …

There are two challenges for efficient processing of both the sliding spotlight and terrain
observation by progressive scans (TOPS) data using full-aperture algorithms. First, to …

The inherent limitation between azimuth resolution and range swath width in conventional
spaceborne synthetic aperture radar (SAR) systems can be overcome by introducing the …

This paper presents an efficient phase preserving processor for the focusing of data
acquired in sliding spotlight and Terrain Observation by Progressive Scans (TOPS) imaging …

This paper analyzes the signal properties of spaceborne squinted sliding-spotlight synthetic
aperture radar (SAR). Both the squint angle and the azimuth beam steering during the whole …

The Terrain Observation by Progressive Scans (TOPS) mode is a novel spaceborne imaging
mode which can be used to obtain wide-swath coverage and overcome major drawbacks in …

In the traditional model of monostatic synthetic aperture radar (SAR), the flying platform
should have a uniform linear trajectory. In practice, the flight path of the SAR platform, which …

This letter extends the “two-step” focusing approach to sliding spotlight (SS) synthetic
aperture radar (SAR) with stepped frequency chirps, where two major points should be …