TOPS mode raw data generation from wide-beam SAR imaging modes

W Xu, Y Deng, F Feng, Y Liu, G Li - IEEE Geoscience and …, 2012 - ieeexplore.ieee.org
A synthetic aperture radar (SAR) raw data simulator of distributed target scenes is an
important tool for testing the system parameters, imaging algorithms, and so on, particularly …

Design and performance analysis of sparse Tops SAR mode

H Bi, G Li, Y Song, J Zhang, D Zhu… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Terrain observation by progressive scans (TOPS) is a novel and promising wide-swath
synthetic aperture radar (SAR) imaging mode, which overcomes the scalloping effect …

An efficient approach with scaling factors for TOPS-mode SAR data focusing

W Xu, P Huang, Y Deng, J Sun… - IEEE Geoscience and …, 2011 - ieeexplore.ieee.org
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 …

Multichannel full-aperture azimuth processing for beam steering SAR

GC Sun, M Xing, XG Xia, Y Wu… - … on Geoscience and …, 2013 - ieeexplore.ieee.org
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 …

A new spaceborne burst synthetic aperture radar imaging mode for wide swath coverage

P Huang, W Xu - Remote Sensing, 2014 - mdpi.com
This paper presents a new spaceborne synthetic aperture radar (SAR) burst mode named
“Extended Terrain Observation by Progressive Scans (ETOPS)” for wide swath imaged …

Multichannel azimuth processing in ScanSAR and TOPS mode operation

N Gebert, G Krieger, A Moreira - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
Due to a system-inherent limitation, conventional synthetic aperture radar (SAR) is
incapable of imaging a wide swath with high geometric resolution. This restriction can be …

A subaperture imaging algorithm for squint TOPS SAR based on SPECAN technique

J Yang, GC Sun, YF Wu, MD Xing - 电子与信息学报, 2014 - jeit.ac.cn
Abstract Squint Terrain Observation by Progressive Scans (TOPS) SAR imaging mode is
confronted with three issues: azimuth spectrum aliasing, severe range-azimuth coupling and …

A unified formulation of SAR raw signals from extended scenes for all acquisition modes with application to simulation

DAG Dell'Aglio, G Di Martino, A Iodice… - … on Geoscience and …, 2018 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) systems can generate microwave images by using different
acquisition modes: stripmap, spotlight, scanSAR, and the more recently developed sliding …

A raster scan SAR system for ultra-wide swath imaging

P Wang, W Liu, J Chen, Z Men - Remote sensing letters, 2014 - Taylor & Francis
To overcome the inherent conflict between azimuth resolution and wide swath in
conventional synthetic aperture radar (SAR) systems, the concept of raster scan SAR (RS …

Processing of monostatic SAR data with general configurations

S Tang, L Zhang, P Guo, G Liu, Y Zhang… - … on Geoscience and …, 2015 - ieeexplore.ieee.org
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 …