Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Defect Detection from Compressed 3-D Ultrasonic Frequency Measurements
Semper, Sebastian; Kirchhof, Jan; Wagner, Christoph; Krieg, Fabian; Römer, Florian; Galdo, Giovanni del
Conference Paper
2019M-estimator based Chinese Remainder Theorem with few remainders using a Kroenecker product based mapping vector
Milanezi Junior, Jayme; Costa, João Paulo Carvalho Lustosa da; Römer, Florian; Miranda, Ricardo Kehrle; Marinho, Marco Antonio Marques; Galdo, Giovanni del
Journal Article
2019Ein portabler, vielfältig einsetzbarer 3D-Positionierer für Synthetik-Apertur-Ultraschallmessungen in der ZfP
Groß, Philipp; Ihlow, Alexander; Böttcher, René; Bessert, Steffen; Pandey, Rick; Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Osman, Ahmad; Galdo, Giovanni del
Conference Paper
2019SAFT Processing for Manually Acquired Ultrasonic Measurement Data with 3D SmartInspect
Krieg, Fabian; Kirchhof, Jan; Kodera, Sayako; Lugin, Sergey; Ihlow, Alexander; Schwender, Thomas; Galdo, Giovanni del; Römer, Florian; Osman, Ahmad
Journal Article
2018Combining matrix design for 2D DoA estimation with compressive antenna arrays
Lavrenko, Anastasia; Pawar, Sankalp; Ibrahim, Mohammed; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner S.
Conference Paper
2018Defect Detection from 3D Ultrasonic Measurements Using Matrix-free Sparse Recovery Algorithms
Semper, Sebastian; Kirchhof, Jan; Wagner, Christoph; Krieg, Fabian; Römer, Florian; Osman, Ahmad; Galdo, Giovanni del
Conference Paper
2018Design and prototyping of a 3-D positioner for ultrasound quality control measurements
Groß, Philipp; Ihlow, Alexander; Böttcher, René; Bessert, Steffen; Krieg, Fabian; Kirchhof, Jan; Römer, Florian; Osman, Ahmad; Galdo, Giovanni del
Conference Paper
2018SAFT Processing for Manually Acquired Ultrasonic Measurement Data with 3D Smartinspect
Krieg, Fabian; Lugin, Sergey; Kirchhof, Jan; Ihlow, Alexander; Schwender, Thomas; Galdo, Giovanni del; Römer, Florian; Osman, Ahmad
Conference Paper
2018Sensing Matrix Sensitivity to Random Gaussian Perturbations in Compressed Sensing
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner S.
Conference Paper
2018Sparsity Order Estimation From a Single Compressed Observation Vector
Semper, Sebastian; Römer, Florian; Hotz, Thomas; Galdo, Giovanni del
Journal Article
20173D-SAFT auf vorverarbeiteten Ultraschallsignalen - schneller messen bei verbesserter Auflösung
Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Ihlow, Alexander; Osman, Ahmad; Galdo, Giovanni del
Abstract, Poster
2017Design and analysis of compressive antenna arrays for direction of arrival estimation
Ibrahim, Mohamed; Ramireddy, Venkatesh; Lavrenko, Anastasia; König, Jonas; Römer, Florian; Landmann, Markus; Großmann, Marcus; Galdo, Giovanni del; Thomä, Reiner S.
Journal Article
2017Differential SART for sub-Nyquist tomographic reconstruction in presence of misalignments
Römer, Florian; Großmann, Marcus; Schoen, Tobias; Gruber, Roland; Jung, Alexander; Oeckl, Steven; Galdo, Giovanni del
Conference Paper
2017Implementation issues of 3D SAFT in time and frequency domain for the fast inspection of heavy plates
Krieg, Fabian; Kirchhof, Jan; Römer, Florian; Ihlow, Alexander; Galdo, Giovanni del; Osman, Ahmad
Conference Paper
2017Low complexity performance assessment of a sensor array via unscented transformation
Ricardo Kehrle, M.; Costa, Joao Paulo C.L. da; Römer, Florian; Menezes, Leonardo R.A.X.; Galdo, Giovanni del; Almeida, Andre L.F. de
Journal Article
2017On the SNR variability in noisy compressed sensing
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner
Journal Article
2017Performance analysis of multi-dimensional ESPRIT-type algorithms for arbitrary and strictly non-circular sources with spatial smoothing
Steinwandt, Jens; Römer, Florian; Haardt, Martin; Galdo, Giovanni del
Journal Article
2017Sparse signal recovery for ultrasonic detection and reconstruction of shadowed flaws
Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Ihlow, Alexander; Osman, Ahmad; Galdo, Giovanni del
Conference Paper
2017Tensor-based sparsity order estimation for big data applications
Liu, Kefei; Roemer, Florian; Costa, Joao Paulo C.L. da; Xiong, Jie; Yan, Yi-Sheng; Wang, Wen-Qin; Galdo, Giovanni del
Conference Paper
2016Antenna array optimization strategies for robust direction finding
Großmann, Marcus; Ramireddy, Venkatesh; König, Jonas; Landmann, Markus; Römer, Florian; Galdo, Giovanni del; Perthold, Rainer
Conference Paper
2016Apparatus and Method for Providing an Image
Galdo, Giovanni del; Großmann, Marcus; Römer, Florian; Neubauer, Harald; Schöberl, Michael
Patent
2016Applying base value of fundamental frequency via the multivariate Kernel-Density in forensic speaker comparison
Rodrigues da Silva, Ronaldo; Carvalho Lustosa da Costa, Joao Paulo; Kehrle Miranda, Ricardo; Galdo, Giovanni del
Conference Paper
2016Array interpolation based on multivariate adaptive regression splines
Marques Marinho, Marco Antonio; Carvalho Lustosa da Costa, Joao Paulo; Antreich, Felix; Lima Ferrer de Almeida, Andre; Galdo, Giovanni del; Pignaton de Freitas, Edison; Vinel, Alexey
Conference Paper
2016Audio authentication using the kurtosis of ESPRIT based ENF estimates
Gil Inocencio Reis, Paulo Max; Carvalho Lustosa da Costa, Joao Paulo; Kehrle Miranda, Ricardo; Galdo, Giovanni del
Conference Paper
2016First step towards a smart grid communication architecture for the Brazilian federal district
Cid Ornelas, Gustavo; Vinicius Vieira da Silva, Marcos; Milanezi Junio, Jayme; Carvalho Lustosa da Costa, Joao Paulo; Abreu Maranhao, Joao Paulo; Elias Gomes de Deus, Flavio; Galdo, Giovanni del
Journal Article, Conference Paper
2016Implementation of improved software defined radio modulation scheme and command and telemetry software interface for small satellites in 5G systems
Miranda, Ricardo Kehrle; Carvalho Lustosa da Costa, Joao Paulo; Römer, Florian; Raschke, Florian; Eishima, Takashi; Nakamura, Yuya; Galdo, Giovanni del
Conference Paper
2016Low complexity blind separation technique to solve the permutation ambiguity of convolutive speech mixtures
Lima, Pedro F.C.; Kehrle Miranda, Ricardo; Costa, Joao Paulo C.L. da; Zelenovsky, Ricardo; Yuan, Yizheng; Galdo, Giovanni del
Conference Paper
2016Measurement matrix design for compressed sensing based time delay estimation
Römer, Florian; Ibrahim, Mohamed; Franke, Norbert; Hadaschik, Niels; Eidloth, Andreas; Sackenreuter, Benjamin; Galdo, Giovanni del
Conference Paper
2016MIMO over-the-air testing for electrically large objects in non-anechoic environments
Schirmer, Christopher; Lorenz, Mario; Kotterman, Wim; Perthold, Rainer; Landmann, Markus; Galdo, Giovanni del
Conference Paper
2016Motivating attendee's participation in distance learning via an automatic messaging plugin for the moodle platform
Rosa de Almeida, Luciano; Carvalho Lustosa da Costa, Joao Paulo; Timoteo de Sousa, Rafael; Pignaton de Freitas, Edison; Dias Canedo, Edna; Prettz, Juliano; Zacarias, Eliakim; Galdo, Giovanni del
Conference Paper
2016Multi-hop cooperative XIXO transmission scheme for delay tolerant wireless sensor networks
Maranhao, Joao P.A.; Costa, Joao P.C.L. da; Freitas, Edison P. de; Marinho, Marco A.M.; Galdo, Giovanni del
Conference Paper
2016On poisson compressed sensing and parameter estimation in sheet-of-Light surface scanning
Varatharaajan, Sutharshun; Römer, Florian; Kostka, Günther; Keil, Fabian; Uhrmann, Franz; Galdo, Giovanni del
Conference Paper
2016Procedures for integrating, testing and operating advanced microsatellites
Kehrle Miranda, Ricardo; Carvalho Lustosa da Costa, Joao Paulo; Eishima, Takashi; Nakamura, Yuya; Galdo, Giovanni del; Roemer, Florian
Journal Article, Conference Paper
2016Spatially resolved sub-Nyquist sensing of multiband signals with arbitrary antenna arrays
Lavrenko, Anastasia; Römer, Florian; Stein, Shahar; Cohen, Deborah; Galdo, Giovanni del; Eldar, Yonina C.
Conference Paper
2016Speeding up 3D SAFT for ultrasonic NDT by sparse deconvolution
Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Ihlow, Alexander; Osman, Ahmad; Galdo, Giovanni del
Conference Paper
2016Temporal wireless synchronization with compressed opportunistic signals
Ibrahim, Mohamed; Roemer, Florian; Hadaschik, Niels; Tröger, Hans-Martin; Sackenreuter, Benjamin; Franke, Norbert; Robert, Joerg; Galdo, Giovanni del
Conference Paper
2016Unscented transform based low complexity performance assessment for adaptive linearly constrained minimum variance filters
Ferreira Junior, Ronaldo Sebastiao; Carvalho Lustosa da Costa, Joao Paulo; Zelenovsky, Ricardo; Menezes, Leonardo R.A.X. de; Valle de Lima, Daniel; Galdo, Giovanni del
Conference Paper
2015An adaptively focusing measurement design for compressed sensing based DOA estimation
Ibrahim, Mohamed; Römer, Florian; Galdo, Giovanni del
Conference Paper
2015Cycle time reduction in process integrated computed tomography using compressed sensing
Schön, Tobias; Römer, Florian; Oeckl, Steven; Großmann, Marcus; Gruber, Roland; Jung, Alexander; Galdo, Giovanni del
Conference Paper
2015Detection of time-varying support via rank evolution approach for effective joint sparse recovery
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner S.; Arikan, Orhan
Conference Paper
2015DoA estimation with reflectarray according to single pixel camera principle
Skoblikov, Sergii; Ibrahim, Mohamed; Römer, Florian; Thomä, Reiner S.; Galdo, Giovanni del
Conference Paper
2015Generalized sidelobe cancellers for multidimensional separable arrays
Miranda, Ricardo Kehrle; Costa, Joao Paulo Carvalho Lustosa da; Römer, Florian; Almeida, Andre L.F. de; Galdo, Giovanni del
Conference Paper
2015On the design of the measurement matrix for compressed sensing based DOA estimation
Ibrahim, Mohamed; Roemer, Florian; Galdo, Giovanni del
Conference Paper
2015Parametric spatial sound processing: A flexible and efficient solution to sound scene acquisition, modification, and reproduction
Kowalczyk, Konrad; Thiergart, Oliver; Taseska, Maja; Galdo, Giovanni del; Pulkki, Ville; Habets, Emanuël A.P.
Journal Article
20143D wave-field synthesis for testing of radio devices
Schirmer, Christopher; Landmann, Markus; Kotterman, Wilhelmus A.T.; Hein, Matthias; Thomä, Reiner S.; Galdo, Giovanni del; Heuberger, Albert
Conference Paper
2014Accuracy of an OTA system emulating a realistic 3D environment for GNSS and multi-satellite receiver testing
Schirmer, Christopher; Kotterman, Wilhelmus A.T.; Siegert, Gregor; Rügamer, Alexander; Galdo, Giovanni del; Heuberger, Albert; Landmann, Markus
Conference Paper
2014Analytical performance assessment of multi-dimensional matrix- and tensor-based ESPRIT-type algorithms
Römer, Florian; Haardt, Martin; Galdo, Giovanni del
Journal Article
2014Diversity combining for cooperative satellite terminals in a moving convoy of vehicles
König, Jonas; Ihlow, Alexander; Heuberger, Albert; Galdo, Giovanni del
Conference Paper
2014An empirical eigenvalue-threshold test for sparsity level estimation from compressed measurements
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner S.; Arikan, Orhan
Conference Paper
2014Impact of driving direction on land mobile satellite channel modeling
Rieche, Marie; Arndt, Daniel; Ihlow, Alexander; Pérez-Fontán, Fernando; Galdo, Giovanni del
Conference Paper
2014Modeling of the Land Mobile Satellite Channel considering the Terminal's Driving Direction
Rieche, Marie; Ihlow, Alexander; Arndt, Daniel; Pérez-Fontán, Fernando; Galdo, Giovanni del
Journal Article
2014On arranging dual-polarised antennas in 3D wave field synthesis
Kotterman, Wilhelmus A.T.; Schirmer, Christopher; Landmann, Markus; Galdo, Giovanni del
Conference Paper
2014On the estimation of grid offsets in CS-based direction-of-arrival estimation
Ibrahim, Mohamed; Römer, Florian; Alieiev, Roman; Galdo, Giovanni del; Thomä, Reiner S.
Conference Paper
2014R-dimensional ESPRIT-type algorithms for strictly second-order non-circular sources and their performance analysis
Steinwandt, Jens; Roemer, Florian; Haardt, Martin; Galdo, Giovanni del
Journal Article
2014Real world GNSS test environment under laboratory conditions
Schirmer, Christopher; Landmann, Markus; Kotterman, Wilhelmus A.T.; Siegert, Gregor; Rügamer, Alexander; Galdo, Giovanni del; Heuberger, Albert
Conference Paper
2014Tensor-based algorithms for learning multidimensional separable dictionaries
Römer, Florian; Galdo, Giovanni del; Haardt, Martin
Conference Paper
2013Geometry-based spatial sound acquisition using distributed microphone arrays
Thiergart, Oliver; Galdo, Giovanni del; Taseska, Maja; Habets, Emanuël A.P.
Journal Article
2013GNSS over-the-air testing using wave field synthesis
Rügamer, Alexander; Galdo, Giovanni del; Mahr, Johannes; Rohmer, Günter; Siegert, Gregor; Landmann, Markus
Conference Paper
2013High time-resolution spectrum occupancy model for testing of cognitive radio devices
Schirmer, Christopher; Alsharef, Mohamed Alzarouk; Kotterman, Wim; Ihlow, Alexander; Galdo, Giovanni del; Heuberger, Albert
Conference Paper
2013Influence of driving direction on Land Mobile Satellite channels
Rieche, Marie; Arndt, Daniel; Ihlow, Alexander; Galdo, Giovanni del
Conference Paper
2013Measurement-based performance analysis of cooperative diversity for satellite terminals in a moving convoy
König, Jonas; Ihlow, Alexander; Arndt, Daniel; Heuberger, Albert; Galdo, Giovanni del
Conference Paper
2013Multi-directional over the air testbed for robustness testing of GNSS receivers against Jammers and Spoofers
Siegert, Gregor; Galdo, Giovanni del; Klier, Franziska; Mahr, Johannes; Rohmer, Günter; Rügamer, Alexander; Landmann, Markus
Conference Paper
2013On-earth performance evaluation of SatCom on-the-move (SOTM) terminals
Alazab, Mostafa; Rieche, Marie; Galdo, Giovanni del; Felber, Wolfgang; Raschke, Florian; Siegert, Gregor; Landmann, Markus
Conference Paper
2013Over-the-air testing of cognitive radio nodes in a virtual electromagnetic environment
Sharma, Rajesh K.; Kotterman, Wim; Landmann, Markus H.; Schirmer, Christopher; Schneider, Christian; Wollenschläger, Frank; Galdo, Giovanni del; Hein, Matthias A.; Thomä, Reiner S.
Journal Article
2013Parametric spatial audio reproduction with higher-order B-format microphone input
Pulkki, Ville; Politis, Archontis; Galdo, Giovanni del; Kuntz, Achim
Conference Paper
2013Performance analysis of channel model simplifications for MIMO OTA LTE UE testing
Landmann, Markus; Grossmann, Marcus; Phatak, Naveen; Schneider, Christian; Thomä, Reiner S.; Galdo, Giovanni del
Conference Paper
2013Realistic emulation of the operational environment for SatCom on-the-move (SOTM) terminals
Alazab, Mostafa; Rieche, Marie; Landmann, Markus; Galdo, Giovanni del
Conference Paper
2013A robust audio watermarking system for acoustic channels
Bliem, Tobias; Galdo, Giovanni del; Borsum, Juliane; Craciun, Alexandra; Zitzmann, Reinhard
Journal Article
2013SOTM terminal testing under real-world conditions
Siegert, Gregor; Galdo, Giovanni del; Raschke, Florian; Jäger-Waldau, Gerold; Landmann, Markus
Conference Paper
2013State modeling of the land mobile satellite channel by an image-based approach
Rieche, Marie; Arndt, Daniel; Ihlow, Alexander; Galdo, Giovanni del
Conference Paper
2013Temporal synchronization for audio watermarking using reference patterns in the time-frequency domain
Bliem, Tobias; Borsum, Juliane; Galdo, Giovanni del; Krägeloh, Stefan
Conference Paper
2012On the spatial coherence in mixed sound fields and its application to signal-to-diffuse ratio estimation
Thiergart, Oliver; Galdo, Giovanni del; Habets, Emanuel A.
Journal Article
2011Diffuseness estimation with high temporal resolution via spatial coherence between virtual first-order microphones
Thiergart, Oliver; Galdo, Giovanni del; Habets, Emanuel
Conference Paper
2011Direction of arrival estimation using watermarked audio signals and microphone arrays
Thiergart, Oliver; Galdo, Giovanni del; Kohlbeck, F.; Craciun, A.; Krägeloh, S.; Borsum, J.; Biem, T.
Patent
2011Parametric spatial sound processing using linear microphone arrays
Thiergart, Oliver; Kallinger, Markus; Galdo, Giovanni del; Kuech, Fabian
Book Article