Small UAV-based SAR system using low-cost radar, position, and attitude sensors with onboard imaging capability
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078721000416
Abstract: Abstract This paper describes a small unmanned aerial vehicle (UAV)-based synthetic aperture radar (SAR) system using low-cost radar (5–6 GHz), position (GNSS/RTK) and attitude (IMU) sensors for the generation of high-resolution images. Measurements using straight… read more here.
Keywords: sar; system using; attitude; sar system ... See more keywords
A novel phase bias estimation method for multichannel HRWS SAR system in azimuth based on RDS analysis
Sign Up to like & getrecommendations! Published in 2020 at "Remote Sensing Letters"
DOI: 10.1080/2150704x.2020.1841320
Abstract: ABSTRACT Multichannel synthetic aperture radar (SAR) systems in azimuth can realize high-resolution and wide-swath (HRWS) imaging, which has attracted intensive research interests. The azimuth ambiguities caused by non-uniform sampling can be suppressed by digital beamforming… read more here.
Keywords: sar; hrws sar; phase bias; sar system ... See more keywords
Development and Performance Evaluation of Small SAR System for 100-kg Class Satellite
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2020.3006396
Abstract: This article shows development and performance evaluation of a MicroX-SAR demonstration satellite, scheduled to be launched in 2020 for synthetic aperture radar (SAR) application. This compact SAR system and its instruments are briefly described. The… read more here.
Keywords: sar; system; performance; evaluation ... See more keywords
Moving Target Radial Velocity Estimation Method for HRWS SAR System Based on Subspace Projection
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3067772
Abstract: High-resolution wide-swath (HRWS) multichannel synthetic aperture radar (SAR) system possesses a number of receiving channels along the azimuth direction, so it has the capacity of moving target indication and imaging. However, due to the radial… read more here.
Keywords: moving target; radial velocity; sar system; method ... See more keywords
Digital Beamforming Synthetic Aperture Radar (DBSAR): Experiments and Performance Analysis in Support of 16-Channel Airborne X-Band SAR Data
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2020.3027691
Abstract: In the Earth observation mission of the synthetic aperture radar (SAR), wide swath can be used to complete global monitoring in a short time and high resolution can provide rich detailed information about the feature… read more here.
Keywords: system; aperture radar; digital beamforming; sar ... See more keywords
Ground Moving Target Detection With Nonuniform Subpulse Coding in SAR System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3231914
Abstract: For the high-resolution and wide-swath (HRWS) synthetic aperture radar (SAR) system, the increasing imaging width results in a serious range ambiguity problem, which affects the performance of ground moving target indication (GMTI). In this article,… read more here.
Keywords: subpulse coding; moving target; sar system; ground moving ... See more keywords