Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019ADMM for ND Line Spectral Estimation using Grid-Free Compressive Sensing from Multiple Measurements with Applications to DOA Estimation
Semper, Sebastian; Römer, Florian
Konferenzbeitrag
2019Combining Matrix Design for 2D DoA Estimation with Compressive Antenna Arrays using Stochastic Gradient Descent
Pawar, Sankalp-Prakash; Semper, Sebastian; Römer, Florian
Konferenzbeitrag
2019M-estimator based Chinese Remainder Theorem with few remainders using a Kroenecker product based mapping vector
Milanezi, Jayme; Costa, João Paulo Carvalho Lustosa da; Römer, Florian; Miranda, Ricardo Kehrle; Marinho, Marco Antonio Marques; Galdo, Giovanni del
Zeitschriftenaufsatz
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
Konferenzbeitrag
2018Broadband beamforming via frequency invariance transformation and PARAFAC decomposition
Miranda, R.K.; Da Costa, J.P.C.L.; Del Galdo, G.; Römer, F.
Konferenzbeitrag
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.
Konferenzbeitrag
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
Konferenzbeitrag
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
Konferenzbeitrag
2018GPU-accelerated Matrix-Free 3D Ultrasound Reconstruction for Nondestructive Testing
Kirchhof, Jan; Semper, Sebastian; Römer, Florian
Konferenzbeitrag
2018Grid-Free Direction-of-Arrival Estimation with Compressed Sensing and Arbitrary Antenna Arrays
Semper, S.; Römer, F.; Hotz, T.; Galdo, G. Del
Konferenzbeitrag
2018Multiband TDOA estimation from sub-Nyquist samples with distributed wideband sensing nodes
Lavrenko, A.; Römer, F.; Galdo, G. del; Thomä, R.
Konferenzbeitrag
2018Progressive online 3-D SAFT processing by matrix structure exploitation
Krieg, Fabian; Pandey, Rick; Kirchhof, Jan; Ihlow, Alexander; Römer, Florian; Del Galdo, Giovanni; Osman, Ahmad
Konferenzbeitrag
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
Konferenzbeitrag
2018Sensing Matrix Sensitivity to Random Gaussian Perturbations in Compressed Sensing
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner S.
Konferenzbeitrag
2018Sparsity Order Estimation From a Single Compressed Observation Vector
Semper, Sebastian; Römer, Florian; Hotz, Thomas; Galdo, Giovanni del
Zeitschriftenaufsatz
2018Vergleich und Anpassung von 3D-SAFT-Implementierungen im Zeit- und Frequenzbereich für die schnelle Grobblechprüfung
Krieg, Fabian; Kirchhof, Jan; Römer, Florian; Ihlow, Alexander; Del Galdo, Giovanni; Osman, Ahmad
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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
Konferenzbeitrag
2017Generalized least squares for ESPRIT-type direction of arrival estimation
Steinwandt, Jens; Römer, Florian; Haardt, Martin
Zeitschriftenaufsatz
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
Konferenzbeitrag
2017Implementation of sparse signal recovery on FPGA for ultrasonic NDT
Grandinetti, C.; Kirchhof, J.; Krieg, F.; Roemer, F.; Ihlow, A.; Delgaldo, G.; Theado, H.; Osman, A.
Konferenzbeitrag
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
Zeitschriftenaufsatz
2017On the SNR variability in noisy compressed sensing
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner
Zeitschriftenaufsatz
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
Zeitschriftenaufsatz
2017Second-order performance analysis of standard ESPRIT
Steinwandt, J.; Roemer, F.; Haardt, M.
Konferenzbeitrag
2017Simulationsbasiertes Assistenzsystem: Ganzheitliche Produktionsplanung von XXL-Monopiles
Sender, J.; Illgen, B.; Wanner, M.-C.; Hinz, T.; Römer, F.
Zeitschriftenaufsatz
2017Sparse signal recovery for ultrasonic detection and reconstruction of shadowed flaws
Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Ihlow, Alexander; Osman, Ahmad; Galdo, Giovanni del
Konferenzbeitrag
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
Konferenzbeitrag
2016Analytical performance assessment of ESPRIT-type algorithms for coexisting circular and strictly non-circular signals
Steinwandt, Jens; Römer, Florian; Haardt, Martin
Konferenzbeitrag
2016Antenna array optimization strategies for robust direction finding
Großmann, Marcus; Ramireddy, Venkatesh; König, Jonas; Landmann, Markus; Römer, Florian; Galdo, Giovanni del; Perthold, Rainer
Konferenzbeitrag
2016Apparatus and Method for Providing an Image
Galdo, Giovanni del; Großmann, Marcus; Römer, Florian; Neubauer, Harald; Schöberl, Michael
Patent
2016Deterministic Cramér-Rao Bound for Strictly Non-Circular Sources and Analytical Analysis of the Achievable Gains
Steinwandt, J.; Roemer, F.; Haardt, M.; Del Galdo, G.
Zeitschriftenaufsatz
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
Konferenzbeitrag
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
Konferenzbeitrag
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
Konferenzbeitrag
2016On the earth mover's distance as a performance metric for sparse support recovery
Lavrenko, A.; Römer, F.; Galdo, G. del; Thomä, R.
Konferenzbeitrag
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
Zeitschriftenaufsatz, Konferenzbeitrag
2016Sparsity-based direction-of-arrival estimation for strictly non-circular sources
Steinwandt, Jens; Römer, Florian; Haardt, Martin
Konferenzbeitrag
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.
Konferenzbeitrag
2016Speeding up 3D SAFT for ultrasonic NDT by sparse deconvolution
Kirchhof, Jan; Krieg, Fabian; Römer, Florian; Ihlow, Alexander; Osman, Ahmad; Galdo, Giovanni del
Konferenzbeitrag
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
Konferenzbeitrag
2015An adaptively focusing measurement design for compressed sensing based DOA estimation
Ibrahim, Mohamed; Römer, Florian; Galdo, Giovanni del
Konferenzbeitrag
2015Compressed temporal synchronization with opportunistic signals
Ibrahim, M.; Roemer, F.; Hadaschik, N.; Troger, H.-M.; Sackenreuter, B.; Franke, N.; Robert, J.; Galdo, G.D.
Konferenzbeitrag
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
Konferenzbeitrag
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
Konferenzbeitrag
2015Deterministic Cramer-Rao bound for a mixture of circular and strictly non-circular signals
Steinwandt, J.; Roemer, F.; Haardt, M.
Konferenzbeitrag
2015DoA estimation with reflectarray according to single pixel camera principle
Skoblikov, Sergii; Ibrahim, Mohamed; Römer, Florian; Thomä, Reiner S.; Galdo, Giovanni del
Konferenzbeitrag
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
Konferenzbeitrag
2015Numerical assessment of reflectarray applicability to CS-based DoA estimation
Skoblikov, Sergii; Ibrahim, Mohamed; Römer, Florian; Thomä, Reiner S.
Konferenzbeitrag
2015On the design of the measurement matrix for compressed sensing based DOA estimation
Ibrahim, Mohamed; Roemer, Florian; Galdo, Giovanni del
Konferenzbeitrag
2014Analytical performance assessment of multi-dimensional matrix- and tensor-based ESPRIT-type algorithms
Römer, Florian; Haardt, Martin; Galdo, Giovanni del
Zeitschriftenaufsatz
2014An empirical eigenvalue-threshold test for sparsity level estimation from compressed measurements
Lavrenko, Anastasia; Römer, Florian; Galdo, Giovanni del; Thomä, Reiner S.; Arikan, Orhan
Konferenzbeitrag
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.
Konferenzbeitrag
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
Zeitschriftenaufsatz
2014Tensor-based algorithms for learning multidimensional separable dictionaries
Römer, Florian; Galdo, Giovanni del; Haardt, Martin
Konferenzbeitrag
2010Resource sharing in wireless networks: The SAPHYRE approach
Jorswieck, E.A.; Badia, L.; Fahldieck, T.; Gesbert, D.; Gustafsson, S.; Haardt, M.; Ho, K.-M.; Karipidis, E.; Kortke, A.; Larsson, E.G.; Mark, H.; Nawrocki, M.; Piesiewicz, R.; Römer, F.; Schubert, M.; Sykora, J.; Trommelen, P.; Ende, B.D. van; Zorzi, M.
Konferenzbeitrag
2008Higher-order SVD-based subspace estimation to improve the parameter estimation accuracy in multidimensional harmonic retrieval problems
Haardt, M.; Roemer, F.; Galdo, G. del
Zeitschriftenaufsatz