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Ground Moving Target Imaging via SDAP-ISAR Processing: Review and New Trends

Marco Martorella, Samuele Gelli, Alessio Bacci
2021 Sensors  
In order to solve this problem, multichannel radar systems are used that are able to remove the ground clutter and effectively detect and image moving targets.  ...  Ground moving target imaging finds its main applications in both military and homeland security applications, with examples in operations of intelligence, surveillance and reconnaissance (ISR) as well  ...  Figure 22 . 22 Segmentaed SAR image after a new segmentation step in which the memory has been updated with new textures belonging to new classes of clutter.  ... 
doi:10.3390/s21072391 pmid:33808244 pmcid:PMC8036600 fatcat:msaz5pxhrzad3bj2uzo5s4xurq

PAMIR – a wideband phased array SAR∕MTI system

J.H.G. Ender, A.R. Brenner
2003 IEE Proceedings - Radar Sonar and Navigation  
The fine resolution will also be achieved with inverse SAR (ISAR) imaging of ground moving objects.  ...  Ground-based and airborne experimental results concerning high-resolution SAR and ISAR imaging are also presented.  ...  ISAR image formation for ground-moving vehicles is still a field for further scientific investigations.  ... 
doi:10.1049/ip-rsn:20030445 fatcat:j6kwwo4cxbhhdeikitnzyhnlqq

Inverse Synthetic Aperture Radar Imaging: A Historical Perspective and State-of-the-Art Survey

Risto Vehmas, Nadav Neuberger
2021 IEEE Access  
Inverse synthetic aperture radar (ISAR) is an imaging technique that uses the motion of a target to obtain a high-resolution radar image of it.  ...  This paper presents a comprehensive review of past work and the state of the art in ISAR imaging systems, algorithms, and applications.  ...  When imaging weakly reflecting targets, the cancellation of the ground clutter signal is a prerequisite for successful ISAR image reconstruction.  ... 
doi:10.1109/access.2021.3104799 fatcat:tqzllgeaifaqdl6o4krrxojd4a

Passive ISAR Part I: Framework and Considerations

Joseph Garry, Graeme Smith
2018 IET radar, sonar & navigation  
In turn, this enables cross-range scaling for more advanced methods of image formation to a known image formation plane.  ...  The bistatic geometries, relatively narrow signal bandwidths, and low centre frequencies of most PR illuminators are considered along with their impact on image formation procedures.  ...  Image formation Image formation, the final stage in the P-ISAR framework, is a critical step in producing a well-focused, interpretable image.  ... 
doi:10.1049/iet-rsn.2018.5233 fatcat:ktusyc5g6ngm7pabkxpq4wx4ju

Compressive Sensing Inverse Synthetic Aperture Radar Imaging Based on Gini Index Regularization

Can Feng, Liang Xiao, Zhi-Hui Wei
2014 International Journal of Automation and Computing  
Different from the traditional l1 norm based CS ISAR imaging method, our method explores the use of Gini index to measure the sparsity of ISAR images to improve the imaging quality.  ...  In this paper, we propose an improved version of CSbased method for inverse synthetic aperture radar (ISAR) imaging.  ...  ISAR signal model and imaging via CS In this section, we present the ISAR system signal model with stepped frequency continuous wave (SFCW) and briefly review the l1 norm based CS ISAR imaging formation  ... 
doi:10.1007/s11633-014-0811-8 fatcat:kwew54lq7ff7bgtg7ty6eb3n4u

Advanced technology of high-resolution radar: target detection, tracking, imaging, and recognition

Teng Long, Zhennan Liang, Quanhua Liu
2019 Science China Information Sciences  
Using a stepped frequency signal with a synthetic bandwidth of 320 MHz, this experiment collected 256 pulses with an average pulse SNR of 16 dB in the range-aligned data.  ...  [106] proposed a new ISAR RMC method that formulates the polynomial phase signal of the dominant scatterer using the polynomial-phase transform. Liu et al.  ... 
doi:10.1007/s11432-018-9811-0 fatcat:cf4a5itojfbh3er7etind6msdu

Developments in target micro-Doppler signatures analysis: radar imaging, ultrasound and through-the-wall radar

Carmine Clemente, Alessio Balleri, Karl Woodbridge, John J Soraghan
2013 EURASIP Journal on Advances in Signal Processing  
In this article, we present a review of the work published in the last 10 years on emerging applications of radar target analysis using micro-Doppler signatures.  ...  Specifically we review micro-Doppler target signatures in bistatic SAR and ISAR, through-the-wall radar and ultrasound radar.  ...  EP/H012877/1 and EP/H011625/1), the UK MoD University Defence Research Centre in Signal Processing and Selex-Galileo Edinburgh.  ... 
doi:10.1186/1687-6180-2013-47 fatcat:qrhk66imdvap5hhld4xpqhd3lq

Bistatic Forward ISAR with DVB-T Transmitter of Opportunity

Andon Dimitrov Lazarov, Todor Pavlov Kostadinov
2021 Sensors  
An algorithm for extraction of the object's image including phase correction and two Fourier transformations applied over the received BFISAR signalin the range and azimuth directions—was created.  ...  As a transmitter of opportunity, a Digital Video Broadcast-Terrestrial (DVB-T) television station emitting DVB-T waveforms was used.  ...  A ground moving target detection (GMTD) method based on joint clutter cancellation in the echo-image domain for forward-looking BSAR to achieve effective GMTD in heterogeneous clutter was suggested in  ... 
doi:10.3390/s21196662 pmid:34640989 fatcat:cstx4viyfzgcxf3gsudtd23kmu

Improved Signal Processing and Calibration Methods for GPR Tomography

Yasar Guzel, Ali Nassib
2016 IOSR Journal of Engineering  
A fast matched-filter reconstruction technique for ground penetrating radar (GPR) tomography is proposed for generating 2D images of buried objects with signal processing techniques to calibrate GPR data  ...  In addition, background suppression and calibration methods are presented to further the technique by removing clutter.  ...  ACKNOWLEDGMENT This research was funded, in part, by the Ohio Third Frontier Ohio Research Scholars Program, the University of Dayton Department Of Electrical and Computer Engineering, and Dr.  ... 
doi:10.9790/3021-067024856 fatcat:2ixpe7qzsrftrnknw7l4lemn4i

A Fast ISAR Tomography Technique for Fully Polarimetric 3-D Imaging of Man-Made Targets

Kejiang Wu, Xiaojian Xu
2021 IEEE Transactions on Geoscience and Remote Sensing  
In this work, we propose a fast ISAR tomography technique for fully polarimetric 3-D imaging of man-made targets.  ...  A stack of 2-D complex-valued images with different baselines and polarizations is first obtained through a phase error calibration (PEC) process and graphic processing unit accelerated polarimetric filtered  ...  In this article, we focus on developing a new ISAR tomography technique for fully polarimetric 3-D imaging of man-made targets.  ... 
doi:10.1109/tgrs.2021.3097725 fatcat:73uj6hbp6fce5nf2kyqocmhz3q

The High-Resolution Digital-Beamforming Airborne SAR System DBFSAR

Andreas Reigber, Eric Schreiber, Kurt Trappschuh, Sebastian Pasch, Gerhard Müller, Daniel Kirchner, Daniel Geßwein, Stefan Schewe, Anton Nottensteiner, Markus Limbach, Alicja Schreiber, Tobias Rommel (+7 others)
2020 Remote Sensing  
However, current space-borne SAR systems are limited, as a matter of principle, in achieving high azimuth resolution and a large swath width at the same time.  ...  Currently, the Microwaves and Radar Institute of the German Aerospace Center (DLR) is developing a new advanced high-resolution airborne SAR system with digital beamforming capabilities, the so-called  ...  For ISAR imaging, we use the generic ISAR processor discussed in [28, 29] .  ... 
doi:10.3390/rs12111710 fatcat:3wdymkmmczf4pp2yb2uxm7qsya

Assessment of Polarimetric SAR Interferometry for Improving Ship Classification based on Simulated Data

Gerard Margarit, Jordi Mallorqui
2008 Sensors  
This paper uses a complete and realistic SAR simulation processing chain, GRE-COSAR, to study the potentialities of Polarimetric SAR Interferometry (POLInSAR) in the development of new classification methods  ...  Special attention will be devoted to the new improvements achieved, which are related to simulations processing a new and highly realistic sea surface model.  ...  They have been processed in the Inverse SAR (ISAR) imaging geometry of Fig. 5 for a signal bandwidth of 1 Figure 4 .Figure 5 .Figure 6 . 456 Snapshots of the SPA (a), ICE (b) and FER (c) models used  ... 
doi:10.3390/s8127715 pmid:27873954 pmcid:PMC3790985 fatcat:5bdnwf4p3rczrlw62nmq5vh65a

Very-High-Resolution Airborne Synthetic Aperture Radar Imaging: Signal Processing and Applications

Andreas Reigber, Rolf Scheiber, Marc Jager, Pau Prats-Iraola, Irena Hajnsek, Thomas Jagdhuber, Konstantinos P. Papathanassiou, Matteo Nannini, Esteban Aguilera, Stefan Baumgartner, Ralf Horn, Anton Nottensteiner (+1 others)
2013 Proceedings of the IEEE  
This has been possible mainly due to the current trend toward higher spatial resolution and novel imaging modes.  ...  In many cases, information extraction from high-resolution airborne SAR imagery has achieved a mature level, turning SAR technology more and more into an operational tool.  ...  preferred image formation algorithms work in the frequency domain.  ... 
doi:10.1109/jproc.2012.2220511 fatcat:rcfgf3agi5elha6pcjjyyzr7cu

A Comprehensive Survey of Machine Learning Applied to Radar Signal Processing [article]

Ping Lang, Xiongjun Fu, Marco Martorella, Jian Dong, Rui Qin, Xianpeng Meng, Min Xie
2020 arXiv   pre-print
Traditional radar signal processing (RSP) methods have shown some limitations when meeting such requirements, particularly in matters of target classification.  ...  This paper then concludes with a series of open questions and proposed research directions, in order to indicate current gaps and potential future solutions and trends.  ...  ISAR Images Processing 1) ISAR Imaging.  ... 
arXiv:2009.13702v1 fatcat:m6am73324zdwba736sn3vmph3i

Extraction of weak target features from radar tomographic imagery

Muhannad Almutiry, Michael C Wicks, Ali Nassib, Yasar Guzel, Lorenzo Lo Monte
2015 2015 National Aerospace and Electronics Conference (NAECON)  
Radio Frequency (RF) Tomography is a mathematical process of 3D image reconstruction from a measurement using a multistatic distribution of transmitters and receivers.  ...  In this research, a novel method is proposed to increase overall image quality and extend the capabilities of RF tomography by modeling the strong scatterers in the measurement domain as dipoles that behave  ...  ACKNOWLEDGEMENTS "In the name of God, the Beneficent, the Merciful." "My Lord, increase me in knowledge" [20:114]  ... 
doi:10.1109/naecon.2015.7443065 fatcat:fh7aaqo6bbbjdo7qssm77jf5jy
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