Results 91 to 100 of about 55,165 (228)

C-SAR/02 Satellite Polarimetric Calibration and Validation Based on Active Radar Calibrators

Remote Sensing
Quad-polarization synthetic aperture radar (SAR) satellites are important detection tools in Earth observation and remote sensing; in particular, they are of great significance for accurately interpreting radar data and inverting geophysical parameters ...
Yanan Jiao, Fengli Zhang, Xiaochen Liu, Zhiwei Huang, Jingwen Yuan   +4 more
doaj   +1 more source

SAR and Optical Data Comparison for Detecting Co-Seismic Slip and Induced Phenomena during the 2018 M_w 7.5 Sulawesi Earthquake

Sensors, 2019
We use both Synthetic Aperture Radar (SAR) and Optical data to constrain the co-seismic ground deformation produced by the 2018 Mw 7.5 Sulawesi earthquake. We exploit data processing techniques mainly based on pixel cross-correlation approach, applied to
Marco Polcari, Cristiano Tolomei, Christian Bignami, Salvatore Stramondo   +3 more
doaj   +1 more source

Urban objects detection from C-band synthetic aperture radar (SAR) satellite images through simulating filter properties. [PDF]

Sci Rep, 2021
Kumar D.
europepmc   +1 more source

Synthetic Aperture Radar (SAR) data processing [PDF]

The available and optimal methods for generating SAR imagery for NASA applications were identified. The SAR image quality and data processing requirements associated with these applications were studied. Mathematical operations and algorithms required to
Ahr, H. A., Ausherman, D. A., Beckner, F. L., Cutrona, L. J., Francisco, S., Harrison, R. E., Heuser, J. S., Jordan, R. L., Justus, J., Manning, B.   +9 more
core   +1 more source

A Review of Recent Development of Geosynchronous Synthetic Aperture Radar Technique

Remote Sensing
As the world’s first geosynchronous (GEO) orbit synthetic aperture radar (SAR) satellite, LuTan-4 was successfully launched on 13 August 2023. It was developed by the China Academy of Space Technology, with which the authors are affiliated.
Jinwei Li, Caipin Li, Xiaomin Tan, Dong You, Chongdi Duan, Sheng Zhang, Hongxing Dang, Guangting Li, Qingjun Zhang   +8 more
doaj   +1 more source

Synthetic aperture radar/LANDSAT MSS image registration [PDF]

Algorithms and procedures necessary to merge aircraft synthetic aperture radar (SAR) and LANDSAT multispectral scanner (MSS) imagery were determined. The design of a SAR/LANDSAT data merging system was developed.
Anuta, P. E., Maurer, H. E., Oberholtzer, J. D.   +2 more
core   +1 more source

Modified real-time sub-aperture processing algorithm for airborne high-resolution SAR

The Journal of Engineering, 2019
The problem of real-time imaging in synthetic aperture radar (SAR) system is addressed here. Sub-aperture processing algorithm is usually used in the engineering applications.
Jing Liu, Hongmeng Chen, Hanwei Sun, Jiahao Lin, Congxin Li   +4 more
doaj   +1 more source

A Multiangle MIMO-SAR Fusion Imaging Method Based on Improved Range Migration Algorithm and Improved Geographic Information Scale Invariant Feature Transform Algorithm

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
In order to resolve the conflict between high pulse repetition frequency (PRF) and wide-swath imaging in multiangle synthetic aperture radar (SAR), a multiangle imaging model combined with multiple-input multiple-output synthetic aperture radar (MIMO-SAR)
Fang Zhou, Zhikuan Jiao, Guoqing Shen, Mengdao Xing, Marina Gashinova   +4 more
doaj   +1 more source

Parametric Sparse Representation and Its Applications to Radar Sensing

Leida xuebao, 2016
Sparse signal processing has been utilized to the area of radar sensing. Due to the presence of unknown factors such as the motion of the targets of interest and the error of the radar trajectory, a predesigned dictionary cannot provide the optimally ...
Li Gang, Xia Xiang-Gen
doaj   +1 more source

Description of a computer simulation of an orbital SAR system [PDF]

In order to predict the performance of a synthetic aperture radar for a wide variety of system and environmental parameters a computer simulation of the SAR system was developed.
Crow, G. L.
core   +1 more source