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Compressed Sensing of Monostatic and Multistatic SAR

Ivana Stojanovic, Mujdat Cetin, W. Clem Karl
2013 IEEE Geoscience and Remote Sensing Letters  
Compressed sensing theory argues that the mutual coherence of the measurement probes is related to the reconstruction performance of sparse domains.  ...  In this paper we study the impact of sparse aperture data collection of a SAR sensor on reconstruction quality of a scene of interest.  ...  CONCLUSIONS In this paper we studied different mono-static and multi-static SAR measurement configurations in the context of compressed sensing.  ... 
doi:10.1109/lgrs.2013.2259794 fatcat:ekckhayuxfhfpc7irwrwtfrdb4

Indoor Experiments of Bistatic/Multistatic GB-SAR with One-Stationary and One-Moving Antennae

Hoonyol Lee, Jihyun Moon
2021 Remote Sensing  
Multiple bistatic GB-SAR images were taken with various stationary antenna positions, and then averaged to simulate a multistatic GB-SAR configuration composed of a moving Tx antenna along a rail and multiple  ...  Being stationary for one antenna, the Doppler rate was analyzed to be half of the monostatic case, and the azimuth resolution was doubled.  ...  /multistatic GB-SAR experiment.  ... 
doi:10.3390/rs13183733 fatcat:tvsvf7bufjanvn2z2ncrze2lxm

A Three-Dimensional Localization Method for Multistatic SAR Based on Numerical Range-Doppler Algorithm and Entropy Minimization

Junjie Wu, Yushi Xu, Xuqi Zhong, Zhichao Sun, Jianyu Yang
2017 Remote Sensing  
In this paper, a three-dimensional localization method for multistatic SAR based on the numerical range-Doppler (RD) algorithm and entropy minimization principle is proposed.  ...  Compared with traditional localization methods for monostatic SAR, the proposed method not only effectively eliminates the influences of DCE errors, but also can get the target height information.  ...  Target localization is of significant importance for both monostatic and multistatic SAR applications.  ... 
doi:10.3390/rs9050470 fatcat:py6kec5lavcrvn22ft62dcbo6q

Improving Security Screening: A Comparison of Multistatic Radar Configurations for Human Body Imaging

Borja Gonzalez-Valdes, Yuri Alvarez, Spiros Mantzavinos, Carey M. Rappaport, Fernando Las-Heras, Jose Angel Martinez-Lorenzo
2016 IEEE Antennas & Propagation Magazine  
For example, use of optimal sampling interpolation methods that take into account the spatial BW of the scattered field [18] or compressed sensing techniques in the case of sparse SAR images [19] .  ...  PROOF OF CONCePT Multistatic setup This section aims to illustrate the differences between several monostatic and multistatic radar setups [14] , stating the limitations of each.  ... 
doi:10.1109/map.2016.2569447 fatcat:m7cad27ponheng677r7jritnoa

Multistatic adaptive pulse compression

S.D. Blunt, K. Gerlach
2006 IEEE Transactions on Aerospace and Electronic Systems  
A new technique denoted as multistatic adaptive pulse compression (MAPC) is introduced which exploits recent work on adaptive pulse compression (APC) in order to jointly separate and pulse compress the  ...  For the return signal from a single pulse of a monostatic radar, APC estimates the particular receive filter for a given range cell in a Bayesian sense reiteratively by employing the matched filter estimates  ...  The signal flow of multistatic pulse compression using a bank of matched filters is illustrated in Fig. 2 .  ... 
doi:10.1109/taes.2006.248196 fatcat:mwx4tnveifekxk7sfkgaptxcva

Spatial Baseline Optimization for Spaceborne Multistatic SAR Tomography Systems

Jiuchao Zhao, Anxi Yu, Yongsheng Zhang, Xiaoxiang Zhu, Zhen Dong
2019 Sensors  
Spaceborne multistatic synthetic aperture radar (SAR) tomography (SMS-TomoSAR) systems take full advantage of the flexible configuration of multistatic SAR in the space, time, phase, and frequency dimensions  ...  Firstly, the multi-base multi-pass baselines of an SMS-TomoSAR system are considered equivalent to a group of multi-pass baselines from monostatic SAR.  ...  Acknowledgments: The authors would like to thank the College of Electronic Science and Engineering of National University of Defense Technology for providing the experiment condition.  ... 
doi:10.3390/s19092106 fatcat:242hvihubzfl3exkboxgflnuua

Impact of Oscillator Noise in Bistatic and Multistatic SAR

G. Krieger, M. Younis
2006 IEEE Geoscience and Remote Sensing Letters  
This letter addresses the impact of limited oscillator stability in bistatic and multistatic synthetic aperture radars (SARs).  ...  Oscillator noise deserves special attention in distributed SAR systems since there is no cancellation of lowfrequency phase errors as in a monostatic SAR, where the same oscillator signal is used for modulation  ...  DISCUSSION This letter analyzed the impact of oscillator phase noise in bistatic and multistatic SARs.  ... 
doi:10.1109/lgrs.2006.874164 fatcat:awhf35zwfber5onou2py4iwpve

Unambiguous Recovery of Multistatic SAR Data for Nonzero Cross Track Baseline Case

Ozan Dogan, Faruk Uysal, Paco Lopez Dekker
2020 IEEE Geoscience and Remote Sensing Letters  
The algorithm is compared and validated by simulating an azimuth invariant multistatic SAR satellite constellation. The results are promising in terms of dealing with XT baselines.  ...  However, in terms of both flexibility requirements like potentiality of both along-track and cross-track (XT) interferometry and design requirements like orbital safety, etc., a XT baseline is not only  ...  There are some efforts for combining monostatic SAR images for very short XT baselines [4] , [15] , and in the case of topography deviation [16] .  ... 
doi:10.1109/lgrs.2020.3021759 fatcat:lpmz7vpvcjaunj2p3xkz4hy7sq

Spaceborne Synthetic Aperture Radar (SAR) Systems: State of the Art and Future Developments

Alberto Moreira, Gerhard Krieger
2003 33rd European Microwave Conference, 2003  
This paper first summarizes the state of the art in spaceborne SAR systems and applications.  ...  The second part of this paper gives an overview of new concepts, techniques and technologies for future SAR systems, allowing an increase of flexibility in the SAR operation mode as well as a reduction  ...  BI-AND MULTISTATIC SAR Bi-and multistatic SAR operates with distinct transmit and receive antennas which are mounted on separate platforms.  ... 
doi:10.1109/euma.2003.340900 fatcat:rqwvkkeiprcydb6lyiiiv3vkvu

Development and evaluation of a multistatic ultrawideband random noise radar network

Matthew E. Nelms, Peter J. Collins
2011 2011 IEEE RadarCon (RADAR)  
Results show that active sensing with a low probability of intercept (LPI) multistatic radar, like the AFIT NoNET, is not only feasible but capable of sub-meter accuracy and near meter-resolution in its  ...  The average multistatic localization error is assessed as 7.7(±3.1) cm and a comparative analysis is performed against the netted monostatic solution.  ...  of the monostatic and multistatic system configurations.  ... 
doi:10.1109/radar.2011.5960699 fatcat:y2g5eaqjm5hxvpo4wwqkzq2wwe

Formation Flying SAR: analysis of imaging performance by Array Theory

Alfredo Renga, Maria Daniela Graziano, Antonio Moccia
2020 IEEE Transactions on Aerospace and Electronic Systems  
This article analyzes the process of image synthesis for a formation flying synthetic aperture radar (FF-SAR), which is a multistatic synthetic aperture radar (SAR) based on a cluster of receiving-only  ...  FF-SAR imaging can be verified as a result of the spatial diversity array weighting the common array.  ...  The abovepresented example dealt with a multistatic system in which FF-SAR is used to improve the performance of a monostatic, single-channel SAR in terms of swath width and SNR.  ... 
doi:10.1109/taes.2020.3043526 fatcat:xb3dno62azet7mi7wrngzlnaay

Single-Pass Bistatic SAR Interferometry Using Fixed-Receiver Configurations: Theory and Experimental Validation

Sergi Duque, Paco Lopez-Dekker, Jordi J Mallorqui
2010 IEEE Transactions on Geoscience and Remote Sensing  
The comparison allows one to validate the results and demonstrate to which particular features of the scene that the bistatic radar is sensitive.  ...  Index Terms-Bistatic configurations, interferometry, synthetic aperture radar (SAR).  ...  Nowadays, most of these techniques have reached maturity in the monostatic case. However, bistatic and multistatic configurations are opening new lines of research.  ... 
doi:10.1109/tgrs.2010.2041063 fatcat:gk3l7yrg4rdy7ohee33b6u3rme

Analysis of Multistatic Pixel Correlation in SAR

Michael I. Duersch, David G. Long
2015 IEEE Transactions on Geoscience and Remote Sensing  
As researchers seek to apply MIMO (multistatic) techniques to radar and specifically to synthetic aperture radar (SAR), a key factor in determining MIMO application and performance is the level of correlation  ...  This paper presents models for calculating geometric correlation of multistatic SAR pixels using a ground-plane image formation.  ...  In the case of a monostatic radar, r A = r B . R(t) is the range-compressed radar response including range windowing.  ... 
doi:10.1109/tgrs.2014.2322611 fatcat:lum64ftmvncgbg6xcylr3cliaa

Near-Range Multipath Mitigation Methodology for Multistatic SAR Applications using Matched Adaptive Filters

Filip Rosu, Andrei Anghel, Silviu Ciochina, Remus Cacoveanu, Mihai Datcu
2022 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
This paper presents a methodology based on matched-adaptive filters that is used to mitigate the effect of nearrange multipath in multistatic SAR systems and transponders.  ...  The proposed methodology is experimentally evaluated and optimized for each of the two aforementioned problems.  ...  A technological advancement of significant value in the field of remote sensing is the multistatic SAR.  ... 
doi:10.1109/jstars.2022.3165470 fatcat:hymbila54zbh3ovlcztrm7bmvm

An Image Formation Algorithm for Bistatic SAR using GNSS Signal with Improved Range Resolution

Yue Fang, Jie Chen, Pengbo Wang, Xinkai Zhou
2020 IEEE Access  
level simultaneously, and the phase of processed signal is preserved by phase multiplication compensation for the following azimuth compression processing.  ...  A modified second order differentiation based method is applied on the range compressed signal of reference channel and surveillance channel, improving range resolution and keeping side-lobes at a lower  ...  [32] introduced two types of fusion methods for the spatial resolution improvement of multistatic passive SAR.  ... 
doi:10.1109/access.2020.2990622 fatcat:v4g6tlgfrvdz5j2hnndtbgeyfa
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