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Compressed Sensing of Monostatic and Multistatic SAR
2013
IEEE Geoscience and Remote Sensing Letters
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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
2021
Remote Sensing
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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
2017
Remote Sensing
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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
2016
IEEE Antennas & Propagation Magazine
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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
2006
IEEE Transactions on Aerospace and Electronic Systems
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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
2019
Sensors
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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
2006
IEEE Geoscience and Remote Sensing Letters
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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
2020
IEEE Geoscience and Remote Sensing Letters
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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
2003
33rd European Microwave Conference, 2003
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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
2011
2011 IEEE RadarCon (RADAR)
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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
2020
IEEE Transactions on Aerospace and Electronic Systems
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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
2010
IEEE Transactions on Geoscience and Remote Sensing
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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
2015
IEEE Transactions on Geoscience and Remote Sensing
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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
2022
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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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
2020
IEEE Access
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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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