A review of acoustic imaging methods using phased microphone arrays: Part of the “Aircraft Noise Generation and Assessment” Special Issue R Merino-Martínez, P Sijtsma, M Snellen, T Ahlefeldt, J Antoni, CJ Bahr, ... CEAS Aeronautical Journal 10, 197-230, 2019 | 381 | 2019 |
A comparison of microphone phased array methods applied to the study of airframe noise in wind tunnel testing CJ Bahr, WM Humphreys, D Ernst, T Ahlefeldt, C Spehr, A Pereira, ... 23rd AIAA/CEAS aeroacoustics conference, 3718, 2017 | 85 | 2017 |
Decorrelation of acoustic wave propagation through the shear layer in open jet wind tunnel D Ernst, C Spehr, T Berkefeld 21st AIAA/CEAS aeroacoustics conference, 2976, 2015 | 34 | 2015 |
Road to acquisition: Preparing a MEMS microphone array for measurement of fuselage surface pressure fluctuations T Ahlefeldt, S Haxter, C Spehr, D Ernst, T Kleindienst Micromachines 12 (8), 961, 2021 | 22 | 2021 |
Beamforming for measurements under disturbed propagation conditions using numerically calculated Green’s functions M Lehmann, D Ernst, M Schneider, C Spehr, M Lummer Journal of Sound and Vibration 520, 116638, 2022 | 20 | 2022 |
Weighted data spaces for correlation-based array imaging in experimental aeroacoustics HG Raumer, C Spehr, T Hohage, D Ernst Journal of Sound and Vibration 494, 115878, 2021 | 20 | 2021 |
Hydrogen plasma smelting reduction process monitoring with optical emission spectroscopy–Establishing the basis for the method H Pauna, D Ernst, M Zarl, M Aula, J Schenk, M Huttula, T Fabritius Journal of Cleaner Production 372, 133755, 2022 | 14 | 2022 |
Aeroacoustic testing on a full aircraft model at high Reynolds numbers in the European Transonic Windtunnel T Ahlefeldt, D Ernst, A Goudarzi, HG Raumer, C Spehr Journal of Sound and Vibration 566, 117926, 2023 | 12 | 2023 |
Aircraft Noise Generation and Assessment: A review of acoustic imaging methods using phased microphone arrays R Merino-Martinez, P Sijtsma, M Snellen, T Ahlefeldt, J Antoni, C Bahr, ... CEAS Aeronautical Journal 10 (1), 197-230, 2017 | 10 | 2017 |
Portable 512 MEMS-microphone-array for 3d-intensity-and beamforming-measurements using a FPGA based data-acquisition-system D Ernst, R Geisler, T Kleindienst, T Ahlefeldt, C Spehr 8th Berlin Beamforming Conference, 1-12, 2020 | 9 | 2020 |
A review of acoustic imaging methods using phased microphone arrays, CEAS Aeronaut R Merino-Martínez, P Sijtsma, M Snellen, T Ahlefeldt, J Antoni, CJ Bahr, ... J 10 (1), 197-230, 2019 | 9 | 2019 |
Microphone localization with self calibrating acoustic GPS D Ernst, T Ahlefeldt, S Haxter, C Spehr 23rd AIAA/CEAS Aeroacoustics Conference, 3842, 2017 | 7 | 2017 |
Akustischer Kohärenzverlust in offenen Windkanälen aufgrund der turbulenten Scherschicht (Acoustic coherence lossin open wind tunnels due to the turbulent shear layer) D Ernst Technische Universität Berlin, Fakultät V-Verkehrs-und Maschinensysteme …, 2020 | 6 | 2020 |
A three-dimensional microphone array for wind tunnel application D Ernst, C Spehr INTER-NOISE and NOISE-CON Congress and Conference Proceedings 255 (7), 356-363, 2017 | 5 | 2017 |
Enhancing aeroacoustic wind tunnel studies through massive channel upscaling with mems microphones E Daniel, R Geisler, F Philipp, T Ahlefeldt, A Goudarzi, S Carsten 30th AIAA/CEAS Aeroacoustics Conference (2024), 3064, 2024 | 4 | 2024 |
Aeroacoustic evaluation of the NASA High-Lift Common Research Model model with standard and DLR Krüger slat configuration A Goudarzi, T Ahlefeldt, D Ernst, C Spehr 30th AIAA/CEAS Aeroacoustics Conference (2024), 3169, 2024 | 2 | 2024 |
Aeroacoustic analysis of a Mach 0.9 round jet using synchronized microphone array and Shake-The-Box 3D Lagrangian particle tracking measurements NK Depuru Mohan, P Manovski, R Geisler, J Agocs, T Ahlefeldt, M Novara, ... 23rd AIAA/CEAS Aeroacoustics Conference, 3862, 2017 | 2 | 2017 |
A Review of Acoustic Imaging Methods Using Phased Microphone Arrays. CEAS Aeronautical Journal, March 2019 R Merino-Martınez, P Sijtsma, M Snellen, T Ahlefeldt, J Antoni, CJ Bahr, ... | 2 | |
Rotating beamforming method for the use of tailored Green's functions M Lehmann, D Ernst, C Spehr, M Schneider, M Lummer 10th Berlin Beamforming Conference 2024, 1-18, 2024 | 1 | 2024 |
Compensation of modeling errors for the aeroacoustic inverse problem with tools from deep learning HG Raumer, D Ernst, C Spehr Acoustics 4 (4), 834-848, 2022 | 1 | 2022 |