Josef Knapp, M.Sc.
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Technische Universität München
Lehrstuhl für Hochfrequenztechnik (Prof. Eibert)
- Tel.: (work pref) +49 (89) 289 - 23378
- Fax: fax +49 (89) 289 - 23365
- Sprechstunde: nach Vereinbarung, by agreement
- Raum: 0105.05.511
- josef.knapp@tum.de
Lebenslauf
Josef Knapp wurde 1991 in München, Deutschland geboren. Er erhielt den Bachelor of Science (B.Sc.) in Elektro- und Informationstechnik im Jahr 2014 von der TUM und den Master of Science (M.Sc.) in Elektro- und Informationstechnik im Jahr 2016 ebenfalls an der TUM. Im Jahr 2015 studierte er ein Semester am Indian Institute of Technology in Kharagpur, Indien. Seit Februar 2016 ist er wissenschaftlicher Mitarbeiter am Lehrstuhl für Hochfrequenztechnik an der TUM und promoviert unter der Leitung von Professor Eibert.
Forschung
- Echo Unterdrückung
- Nahfeld- Fernfeldtransformation
Lehre
Studentische Arbeiten
Veröffentlichungen
2021 | |
| [1] | J. Knapp, A. Paulus, J. Kornprobst, U. Siart and T. F. Eibert: (doi) Multifrequency Phase Retrieval for Antenna Measurements IEEE Transactions on Antennas and Propagation, Vol. 69, No. 1, pages 488 - 501, January 2021. |
| [2] | A. Paulus, J. Kornprobst, J. Knapp and T. F. Eibert: Linear Phase Retrieval for Near-Field Measurements with Locally Known Phase Relations 15th European Conference on Antennas and Propagation, Düsseldorf, Germany, March 2021. |
| [3] | J. Kornprobst, A. Paulus, J. Knapp and T. F. Eibert: (doi) Phase Retrieval for Partially Coherent Observations IEEE Transactions on Signal Processing, Vol. 69, pages 1394 - 1406, February 2021. |
2020 | |
| [1] | A. Paulus, J. Knapp and T. F. Eibert: Using Broadband Signals to Enhance the Stability of Phaseless Near-Field Far-Field Transformations IEEE International Conference on Computational Electromagnetics, Singapore, August 2020. |
| [2] | J. Knapp, J. Kornprobst and T. F. Eibert: (doi) Suppressing Undesired Echoes by Sparsity Based Time Gating of Reconstructed Sources 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, March 2020. |
| [3] | A. Paulus, J. Knapp, J. Kornprobst and T. F. Eibert: (doi) Improved-Reliability Phase-Retrieval with Broadband Antenna Measurements 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, March 2020. |
2019 | |
| [1] | J. Knapp, A. Paulus and T. F. Eibert: Reconstruction of Squared Field Magnitudes and Relative Phases from Magnitute-Only Near-Field Measurements IEEE Transactions on Antennas and Propagation, Vol. 67, No. 5, pages 3397 - 3409, May 2019. |
| [2] | J. Kornprobst, R. A. M. Mauermayer, O. Neitz, J. Knapp and T. Eibert: (doi) On the Solution of Inverse Equivalent Surface-Source Problems → Progress In Electromagnetics Research, Vol. 165, pages 47 - 65, 2019. |
| [3] | J. Knapp, A. Paulus and T. Eibert: Investigation on Diversity Effects for Phaseless Near-Field Far-Field Transformations 13th European Conference on Antennas and Propagation (EuCAP), Krakow, Poland, pages 1 - 4, April 2019. |
| [4] | J. Kornprobst, J. Knapp and T. Eibert: (doi) Approximate Inverse of the Rao-Wilton-Glisson Basis Functions Gram Matrix via Monopolar Representation IEEE International Symposium on Antennas and Propagation (APSURSI), Atlanta, Georgia, USA, July 2019. |
| [5] | J. Kornprobst, J. Knapp, O. Neitz and T. F. Eibert: (doi) Measurement-error controlled iterative least-squares solutions of inverse field transformation problems 41st Annual Symposium of the Antenna Measurement Techniques Association (AMTA), San Diego, CA, USA, October 2019. |
| [6] | J. Kornprobst, O. Neitz, J. Knapp, R. A. M. Mauermayer and T. F. Eibert: (doi) Solving Inverse Equivalent Surface Source Problems by the Normal Error System of Normal Equations International Conference on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, September 2019. |
| [7] | J. Knapp, J. Kornprobst, A. Paulus and T. F. Eibert: (doi) Time-Gating the Sources in Inverse Equivalent Source Reconstruction Problems to Eliminate Mutual Coupling Effects International Conference on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, September 2019. |
| [8] | J. Knapp, J. Kornprobst and T. F. Eibert: (doi) Equivalent source and pattern reconstruction from oversampled measurements in highly-reflective environments IET Microwaves, Antennas & Propagation, Vol. 13, No. 13, pages 2232 - 2241, October 2019. |
| [9] | J. Knapp and T. F. Eibert: (doi) Near-Field Antenna Pattern Measurements in Highly Reflective Environments IEEE Transactions on Antennas and Propagation, Vol. 67, No. 9, pages 6159 - 6169, September 2019. |
| [10] | J. Kornprobst, J. Knapp and T. F. Eibert: Approximate Inverse of the Rao-Wilton-Glisson Basis Functions Gram Matrix via Monopolar Representation Forum for Electromagnetic Research Methods and Application Technologies, Vol. 34, No. 1, August 2019. |
2018 | |
| [1] | J. Knapp and T. F. Eibert: Fast Irregular Antenna Field Transformation Algorithm for Unmanned Aerial Vehicle Near-Field Measurements AMTA Workshop UAV-based Antenna and Field Measurements within the 12th European Conference on Antennas and Propagation (EuCAP), London, England, UK, April 2018. |
| [2] | J. Knapp and T. F. Eibert: Accurate Determination of Radiation Patterns from Near-Field Measurements in Strongly Reflective Environments 12th European Conference on Antennas and Propagation, London, England, UK, April 2018. |
| [3] | A. Paulus, J. Knapp and T. F. Eibert: Parallel Brute-Force Evaluation of Dipole Radiation Operators on GPUs Progress In Electromagnetics Research Symposium (PIERS), Toyama, Japan, August 2018. |
| [4] | J. Knapp, R. Morelli and T. F. Eibert: Accurate Far-field Pattern Reconstruction from Near-field Meaurements with Inconvenient Probes Progress In Electromagnetic Research Symposium (PIERS), Toyama, Japan, August 2018. |
| [5] | A. Paulus, J. Knapp and T. F. Eibert: Phasenlose Nahfeld-Fernfeld Transformation mit Neuronalen Netzen Kleinheubacher Tagung, Miltenberg, Germany, September 2018. |
| [6] | J. Knapp, A. Paulus and T. F. Eibert: Algorithmic Reconstruction of Antenna Measurement Samples from Magnitude-Only Near-Field Measurements Kleinheubacher Tagung, Miltenberg, Germany, September 2018. |
2017 | |
| [1] | J. Knapp and T. F. Eibert: Integral Equation Based Field Transformation with Effective Echo Suppression in the Near-field by Virtual Beam Forming and Field Synthesis Progress In Electromagnetics Research Symposium (PIERS), St. Petersburg, Russia, May 2017. |
| [1] | J. Knapp and T. F. Eibert: Integral Equation Based Field Transformation with Effective Echo Suppression in the Near-field by Virtual Beam Forming and Field Synthesis Progress In Electromagnetics Research Symposium (PIERS), St. Petersburg, Russia, May 2017. |
| [2] | J. Knapp, A. Paulus, C. Lopez and T. F. Eibert: (doi) Comparison of Non-Convex Cost Functionals for the Consideration of Phase Differences in Phaseless Near-Field Far-Field Transformations of Measured Antenna Fields Advances in Radio Science, Vol. 15, pages 11 - 19, September 2017. |
| [3] | A. Paulus, J. Knapp and T. F. Eibert: (doi) Phaseless Near-Field Far-Field Transformation Utilizing Combinations of Probe Signals IEEE Transactions on Antennas and Propagation, Vol. 65, No. 10, pages 5492 - 5502, October 2017. |
| [4] | A. Paulus, J. Knapp and T. F. Eibert: (doi) Utilizing Partial Knowledge of Phase Differences in Convex Optimization for Amplitude-Only Near-Field Far-Field Transformation 11th European Conference on Antennas and Propagation (EUCAP), Paris, France, pages 3766 - 3770, March 2017. |
| [5] | J. Knapp, A. Paulus and T. F. Eibert: Implementation and Evaluation of the Utilization of Partial Knowledge of Phase Differences in Magnitude Only Near-field Far-field Transformations Progress In Electromagnetics Research Symposium (PIERS), St. Petersburg, Russia, May 2017. |
| [6] | A. Paulus, J. Knapp and T. F. Eibert: Phaseless Near-Field Measurements and Transformation for Electrically Large Antennas 5. Nationale Konferenz Satellitenkommunikation in Deutschland, Bonn, Germany, March 2017. |
2016 | |
| [1] | J. Knapp and T. F. Eibert: Algorithmische Echo-Unterdrückung in der Nahfeld- Fernfeld-Transformation von gemessenen Antennenfeldern Kleinheubacher Tagung, Miltenberg, Germany, September 2016. |
| [2] | A. Paulus, J. Knapp and T. F. Eibert: Phasenlose Nahfeld-Fernfeld Transformation von gemessenen Antennenfeldern über nicht-konvexe Optimierung Kleinheubacher Tagung, Miltenberg, Germany, September 2016. |
2015 | |
| [1] | M. E. Gruber, J. Knapp, T. M. Dengler, A. Knaak and T. F. Eibert: Analysis of a Simultaneous Clockwise and Counterclockwise Rotated Stirrer in a Reverberation Chamber EMC Europe, Dresden, Germany, September 2015. |