Search results for: Fabrizio Berizzi

Items from 1 to 20 out of 27 results

chapter

Software-defined Multiband Array Passive Radar (SMARP) project: An overview

Amerigo Capria, Michele Conti, Christian Moscardini, Fabrizio Berizzi

2017 18th International Radar Symposium (IRS) > 1 - 9

2017 18th International Radar Symposium (IRS)

This paper presents the results of the Software-defined Multiband Array Passive Radar (SMARP) project. The objective of the project was to design and realize a multiband passive radar demonstrator based on a software-defined solution and oriented to coastal surveillance applications. This work has been conceived in the framework of the Italian National Plan for Military Research. The project overall...

article

Multifunction imaging passive radar for harbour protection and navigation safety

Amerigo Capria, Elisa Giusti, Christian Moscardini, Michele Conti, more

IEEE Aerospace and Electronic Systems Magazine > 2017 > 32 > 2 > 30 - 38

In a maritime domain awareness scenario, two main areas of interest can be recognized, specifically harbour protection and navigation safety. Harbour protection is currently a main concern and it is aimed at controlling the risk associated with possible attacks or illegal activities which can take place in the marine access areas. On the other hand, the objectives of the navigation safety are essentially...

article

Compressive sensing for interferometric inverse synthetic aperture radar applications

Alessio Bacci, Daniele Staglianò, Elisa Giusti, Sonia Tomei, more

IET Radar, Sonar & Navigation > 2016 > 10 > 8 > 1446 - 1457

The applicability of interferometric inverse synthetic aperture radar (InISAR) techniques to images reconstructed via compressive sensing (CS)-based algorithms is investigated. Specifically, the three-dimensional (3D) reconstruction algorithm is applied after exploiting CS for data compression and image reconstruction. The InISAR signal model is derived and formalised in a CS framework. A comparison...

chapter

4D quick Diff-Tomo analyses of short-term decorrelation of distributed scatterers

Fabrizio Lombardini, Federico Viviani, Fabrizio Berizzi

2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) > 1456 - 1459

IGARSS 2016 - 2016 IEEE International Geoscience and Remote Sensing Symposium

In the framework of developments of 3D forest Tomography, the issue of extensive and detailed characterizations of temporal decorrelation phenomena has recently emerged, especially for the future spaceborne missions. In particular, height-varying (stratified) behaviour of long-term temporal decorrelation mechanisms has been analyzed by advanced 4D (3D+Time) Differential SAR Tomography processing applied...

article

Compressive sensing-based inverse synthetic radar imaging imaging from incomplete data

Sonia Tomei, Alessio Bacci, Elisa Giusti, Marco Martorella, more

IET Radar, Sonar & Navigation > 2016 > 10 > 2 > 386 - 397

The applicability of compressive sensing (CS) to radar imaging has been recently proven and its capability to construct reliable radar images from a limited set of measurements demonstrated. In this study, a common framework for inverse synthetic aperture radar (ISAR) imaging via CS is provided and a CS-based ISAR imaging method is proposed. The proposed method is tested for application such as image...

article

Virtual multichannel SAR for ground moving target imaging

Alessio Bacci, Marco Martorella, Douglas Andrew Gray, Samuele Gelli, more

IET Radar, Sonar & Navigation > 2016 > 10 > 1 > 50 - 62

Slow moving ground targets are invisible within synthetic aperture radar (SAR) images since they appear defocused and their backscattered signal completely overlap the focused ground return. In order for this targets to be detected and refocused the availability of some spatial degrees of freedom is required. This allows for space/slow time processing to be applied to mitigate the ground clutter....

article

Compressive sensing–based algorithm for passive bistatic ISAR with DVB-T signals

Wei Qiu, Elisa Giusti, Alessio Bacci, Marco Martorella, more

IEEE Transactions on Aerospace and Electronic Systems > 2015 > 51 > 3 > 2166 - 2180

Inverse synthetic aperture radar (ISAR) images can be obtained using digital video broadcasting–terrestrial (DVB-T)–based passive radars. However, television broadcast–transmitted signals offer poor range resolution for imaging purposes, because they have a narrower bandwidth with respect to those transmitted by a dedicated ISAR system. To reach finer range resolutions, signals composed of multiple...

article

Space-Doppler adaptive processing for radar imaging of moving targets masked by ground clutter

Alessio Bacci, Marco Martorella, Douglas Andrew Gray, Fabrizio Berizzi

IET Radar, Sonar & Navigation > 2015 > 9 > 6 > 712 - 726

Non-cooperative moving targets appear defocused within synthetic aperture radar (SAR) images and, in the case of ground targets, the blurring effect because of the uncompensated target motion decreases the radar's detection capabilities. Ground clutter, if sufficiently strong, may also obscure individual scatterers on moving targets resulting in a decreased ability to successfully classify the target...

chapter

Capabilities and potential of an avionic polarimetric weather radar simulator

Alberto Lupidi, Stefano Lischi, Fabrizio Cuccoli, Fabrizio Berizzi, more

2015 Signal Processing Symposium (SPSympo) > 1 - 5

2015 Signal Processing Symposium (SPSympo)

In this paper, the potential of an avionic polarimetric weather radar is shown. The simulator used for such a purpose is a statistical simulator capable of reproducing complex signals as those gathered by an onboard radar, along with polarimetric and Doppler observables. The simulator, developed in the framework of the CleanSky European program, can be an useful tool to evaluate the radar prototypes...

chapter

Analysis of X-band weather polarimetric radar simulator for avionic purposes

Elisa Barcaroli, Alberto Lupidi, Fabrizio Cuccoli, Luca Facheris, more

2015 16th International Radar Symposium (IRS) > 587 - 592

2015 16th International Radar Symposium (IRS)

The improvement of the essential aircraft equipment used by pilots has a very important role in safety enhancement. In this context polarimetric weather doppler radars could offer a valuable aid in improving detection and classification of hydrometeors, helping pilots to take the more efficient trajectory, balancing risk level and unnecessary detours. In this work an analysis of a polarimetric radar...

chapter

A heterogeneous sensor network for the protection of critical infrastructure

Fabrizio Berizzi, Christian Callegari, Stefano Giordano

Proceedings of 2014 Mediterranean Microwave Symposium (MMS2014) > 1 - 6

2014 14th Mediterranean Microwave Symposium (MMS)

Protection of critical buildings, plants, and infrastructures against physical and cyber attacks is attracting more and more attention as governments and citizens become more aware of the problems that would arise if such facilities were attacked. Nonetheless, current security systems are not sufficient to guarantee an adequate level of protection. The goal of this paper is to propose a new concept...

chapter

X-band compact low cost multi-channel radar prototype for short range high resolution 3D-InISAR

Stefano Lischi, Riccardo Massini, Daniele Stagliano, Luca Musetti, more

2014 11th European Radar Conference > 157 - 160

2014 European Radar Conference (EuRAD)

In this paper an X-band multi-channel radar prototype (PIRAD) for short range high resolution interferometric 3D inverse SAR imaging (3D-InISAR) is presented. The proposed radar sensor is characterized by compact dimensions, low power consumption, low electromagnetic pollution and low cost. An innovative compact, stationary, large beamwidth interferometric antenna system was designed and developed...

article

Spaceborne Radar Imaging of Maritime Moving Targets With the Cosmo-SkyMed SAR System

Marco Martorella, Debora Pastina, Fabrizio Berizzi, Pierfrancesco Lombardo

IEEE Journal of Selected Topics in Applied Earth Observations and Remote... > 2014 > 7 > 7 > 2797 - 2810

Advanced satellite synthetic aperture radar (SAR) systems, such as Cosmo-SkyMed (CSK), provide high-resolution images with reasonably short revisiting time, allowing for a number of applications in areas such as homeland security and maritime surveillance. Especially in the case of maritime surveillance, moving targets imaging represents a challenge for SAR systems as the complex target motions produce...

chapter

Space-Doppler processing for multichannel ISAR imaging of non-cooperative targets embedded in strong clutter

Alessio Bacci, Douglas Gray, Marco Martorella, Fabrizio Berizzi

2013 International Conference on Radar > 43 - 47

2013 International Conference on Radar

Non-cooperative moving targets appear defocussed in SAR images and the blurring effect due to the unknown motion leads to low detection capabilities. In this work, clutter suppression and ISAR processing are combined to obtain well focused images of extended non-cooperative moving targets embedded in strong clutter, by exploiting Multichannel SAR (M-SAR) systems. Clutter mitigation and radar motion...

chapter

X-band full polarized Doppler weather radar return simulation by using propagation-modified ensemble-averaged covariance matrix

Stefano Lischi, Alberto Lupidi, Fabrizio Berizzi, Marco Martorella

2013 14th International Radar Symposium (IRS) > 2 > 799 - 804

2013 14th International Radar Symposium (IRS)

A simulator capable of generating raw time series data for an X-band full polarimetric Doppler weather radar is described in this paper. Mie scattering and propagation effects are taken into account. Common polarimetric radar observables, relative to rain, hail, graupel and snow hydrometeors, were estimated from the simulated time series. The simulation method was validated by comparing the estimated...

article

Passive ISAR With DVB-T Signals

Domenico Olivadese, Elisa Giusti, Dario Petri, Marco Martorella, more

IEEE Transactions on Geoscience and Remote Sensing > 2013 > 51 > 8 > 4508 - 4517

As recently demonstrated, passive radars are able to detect and track targets by exploiting illuminators of opportunity. In this paper, it will be proven that the same concept can be extended to passive inverse synthetic aperture radar (P-ISAR) imaging. A suitable type of signal processing is proposed that is able to form P-ISAR images starting from range–Doppler maps, which represent the output of...

article

Point Target Classification via Fast Lossless and Sufficient $\Omega$ – $\Psi$ – $\Phi$ Invariant Decomposition of High-Resolution and Fully Polarimetric SAR/ISAR Data

Riccardo Paladini, Laurent Ferro Famil, Eric Pottier, Marco Martorella, more

Proceedings of the IEEE > 2013 > 101 > 3 > 798 - 830

The classification of high-resolution and fully polarimetric SAR/ISAR data has gained a lot of attention in remote sensing and surveillance problems and is addressed by decomposing the radar target Sinclair matrix. In this paper, the Sinclair matrix has been projected onto the circular polarization basis and is decomposed into five parameters that are invariant to the relative phase $\Phi$ , the Faraday...

article

Lossless and Sufficient $\Psi$ -Invariant Decomposition of Random Reciprocal Target

Riccardo Paladini, Laurent Ferro Famil, Eric Pottier, Marco Martorella, more

IEEE Transactions on Geoscience and Remote Sensing > 2012 > 50 > 9 > 3487 - 3501

The target coherency or covariance matrices are the main operators useful for characterizing the polarization transformation properties of radar target by modeling the depolarization effect. In this paper, a novel decomposition of the target coherency matrix is proposed, that is sufficient for representing the physical characteristics of the observed medium in term of a minimum set of orientation...

article

Near Field Physical Optics modelling for Concealed Weapon Detection

Linda Corucci, Elisa Giusti, Marco Martorella, Fabrizio Berizzi

IEEE Transactions on Antennas and Propagation > 2012 > 60 > 12 > 6052 - 6057

A modelling technique is presented for simulating the received signal in a body scanner for concealed weapon detection (CWD) at millimeter wavelengths. The technique is based on a physical optics (PO) near field refinement and encompasses dielectric and perfect electric conductor (PEC) targets, thus reproducing the behaviour of human tissues and of possible concealed threats. Simulated data can be...

chapter

Simulation of X-band polarimetric weather radar returns based on the Weather Research and Forecast model

Alberto Lupidi, Christian Moscardini, Fabrizio Berizzi, Marco Martorella

2011 IEEE RadarCon (RADAR) > 734 - 739

2011 IEEE Radar Conference (RadarCon)

A model is developed in this paper that simulates polarimetric radar returns from rain and hail at X-Band. To do this, the output data from an open-source meteorological model, namely the Weather Research and Forecast (WRF), and a numerical electromagnetic prediction code based on the Transmission-Matrix (T-Matrix) method are jointly used. Promising results are obtained that are in accordance with...

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Keywords

SYNTHETIC APERTURE RADAR (9)
RADAR IMAGING (8)
PASSIVE RADAR (4)
POLARIMETRY (4)
AUTOMATIC TARGET CLASSIFICATION (3)
AUTOMATIC TARGET RECOGNITION (3)
DOPPLER RADAR (3)
IMAGE RESOLUTION (3)
IMAGING (3)
MATRIX DECOMPOSITION (3)
RADAR POLARIMETRY (3)
RECEIVERS (3)
COMPRESSED SENSING (2)
DIGITAL VIDEO BROADCASTING (2)
EIGENVALUES AND EIGENFUNCTIONS (2)
ENTROPY (2)
IMAGE CONTRAST (2)
IMAGE RECONSTRUCTION (2)
INTERFERENCE SUPPRESSION (2)
INVERSE SYNTHETIC APERTURE RADAR (ISAR) (2)
LASER RADAR (2)
METEOROLOGICAL RADAR (2)
METEOROLOGY (2)
POLARIZATION (2)
RADAR (2)
RADAR CLUTTER (2)
RADAR CROSS SECTION (RCS) (2)
RADAR TRACKING (2)
REFLECTIVITY (2)
SPACEBORNE RADAR (2)
SURVEILLANCE (2)
TARGET DECOMPOSITION (2)
VECTORS (2)
3D RECONSTRUCTION (1)
3D RECONSTRUCTION ALGORITHM (1)
ANTENNA ARRAYS (1)
APPROXIMATION ALGORITHMS (1)
APPROXIMATION METHODS (1)
AVIONIC RADAR (1)
BACKSCATTER (1)
BACKSCATTERED SIGNAL (1)
BLURRING EFFECT (1)
BODY SCANNER (1)
CLASSIFICATION ALGORITHM (1)
CLASSIFICATION ALGORITHMS (1)
CLUTTER SUPPRESSION (1)
COHERENCE (1)
COMPRESSED DATA (1)
COMPRESSIVE SENSING (1)
COMPRESSIVE SENSING-BASED INVERSE SYNTHETIC RADAR IMAGING IMAGING (1)
COVARIANCE MATRIX (1)
CRITICAL INFRASTRUCTURE PROTECTION (1)
CS RECONSTRUCTION (1)
CS-BASED ISAR IMAGING METHOD (1)
DATA COMPRESSION (1)
DATA MINING (1)
DECOMPOSITION THEOREM (1)
DECORRELATION (1)
DEPOLARIZATION EFFECT (1)
DETERMINISTIC PROCESSES (1)
DIELECTRICS (1)
DOPPLER EFFECT (1)
EARTH OBSERVING SYSTEM (1)
EARTH SURFACE (1)
EINSTEIN PHOTON CIRCULAR POLARIZATION (1)
FARADAY ROTATION (1)
FEATURE EXTRACTION (1)
FIBER LASERS (1)
FREQUENCY MODULATION (1)
FREQUENCY-DOMAIN ANALYSIS (1)
GAPPED DATA (1)
GENETIC ALGORITHM (1)
GEOMETRY (1)
GEOPHYSICS COMPUTING (1)
GLOBAL SPARSITY CONSTRAINED RECONSTRUCTION TECHNIQUE (1)
GRATINGS (1)
GROUND CLUTTER (1)
GROUND CLUTTER MITIGATION (1)
GROUND MOVING TARGETS IMAGING (1)
HIGH-RESOLUTION IMAGES (1)
HIGHLY STABLE MICROWAVE SIGNALS (1)
IMAGE CODING (1)
IMAGE ENHANCEMENT (1)
IMAGE SEGMENTATION (1)
INCOMPLETE DATA (1)
INISAR TECHNIQUE (1)
INTERFEROMETRIC INVERSE SYNTHETIC APERTURE RADAR APPLICATION (1)
INTERFEROMETRIC ISAR (1)
INTRUSION DETECTION (1)
INVARIANT DECOMPOSITION (1)
ISAR IMAGING (1)
LASER MODE LOCKING (1)
LASER NOISE (1)
LASER STABILITY (1)
LFMCW RADAR (1)
LUNAR SURFACE (1)
M-SAR SYSTEM (1)
MARINE SAFETY (1)
MARINE VEHICLES (1)
MASERS (1)
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ieee (25)
Springer (2)

INFONA - science communication portal

Search results for: Fabrizio Berizzi

Software-defined Multiband Array Passive Radar (SMARP) project: An overview

Multifunction imaging passive radar for harbour protection and navigation safety

Compressive sensing for interferometric inverse synthetic aperture radar applications

4D quick Diff-Tomo analyses of short-term decorrelation of distributed scatterers

Compressive sensing-based inverse synthetic radar imaging imaging from incomplete data

Virtual multichannel SAR for ground moving target imaging

Compressive sensing–based algorithm for passive bistatic ISAR with DVB-T signals

Space-Doppler adaptive processing for radar imaging of moving targets masked by ground clutter

Capabilities and potential of an avionic polarimetric weather radar simulator

Analysis of X-band weather polarimetric radar simulator for avionic purposes

A heterogeneous sensor network for the protection of critical infrastructure

X-band compact low cost multi-channel radar prototype for short range high resolution 3D-InISAR

Spaceborne Radar Imaging of Maritime Moving Targets With the Cosmo-SkyMed SAR System

Space-Doppler processing for multichannel ISAR imaging of non-cooperative targets embedded in strong clutter

X-band full polarized Doppler weather radar return simulation by using propagation-modified ensemble-averaged covariance matrix

Passive ISAR With DVB-T Signals

Point Target Classification via Fast Lossless and Sufficient $\Omega$ – $\Psi$ – $\Phi$ Invariant Decomposition of High-Resolution and Fully Polarimetric SAR/ISAR Data

Lossless and Sufficient $\Psi$ -Invariant Decomposition of Random Reciprocal Target

Near Field Physical Optics modelling for Concealed Weapon Detection

Simulation of X-band polarimetric weather radar returns based on the Weather Research and Forecast model

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