Kontakt
Alexander Grathwohl uni-ulm.de
Albert-Einstein-Allee 41
89081 Ulm
Raum 41.2.308
Telefon: 0731 50-26344
Dr.-Ing. Alexander Grathwohl
Akademischer Mitarbeiter
Vita
Bachelor- und Masterstudium in Elektrotechnik an der Universität Ulm. Während des Masterstudiums für 7 Monate in Palo Alto/Sunnyvale, USA für ein Auslandspraktikum. Seit Januar 2020 akademischer Mitarbeiter am Institut für Mikrowellentechnik.
Forschungsthema
Signalverarbeitung und Bildgebungsverfahren für UAV-basierte Radarsensoren
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Public Key: D41AEFDDFD6F1C21
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S/MIME
Certificate (DFN-PKI)
Fingerprint:
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Veröffentlichungen
2025
13.
A. Grathwohl,
"UAV-borne synthetic aperture radar imaging of surface and subsurface objects",
Dissertation,
Aug.
2025.
| DOI: | 10.18725/OPARU-57498 |
| ISBN: | 978-3-948303-61-7 |
2024
12.
I. Ullmann,
C. Bonfert,
A. Grathwohl,
M. A. Lahmeri,
V. Mustieles-Pérez,
J. Kanz,
E. Sterk,
F. Bormuth,
R. Ghasemi,
P. Fenske,
M. Villano,
R. Schober,
R. F. H. Fischer,
G. Krieger,
C. Damm,
C. Waldschmidt and
M. Vossiek,
"Towards Detecting Climate Change Effects With UAV-Borne Imaging Radars",
IEEE Journal of Microwaves,
pp. 1-13,
2024.
| DOI: | 10.1109/JMW.2024.3450015 |
2023
11.
J. Kanz,
A. Grathwohl and
C. Waldschmidt,
"Surface Clutter Analysis for Detectability Prediction of Buried Objects with a UAV-Based GPSAR"
in 20th European Radar Conference (EuRAD),
Okt.
2023.
| DOI: | 10.23919/EuRAD58043.2023.10289492 |
| Datei: | http://dx.doi.org/10.18725/OPARU-51255 |
10.
A. Grathwohl,
B. Arendt,
T. Grebner and
C. Waldschmidt,
"Detection of Objects Below Uneven Surfaces With a UAV-Based GPSAR",
IEEE Transactions on Geoscience and Remote Sensing,
pp. 1-1,
2023.
| DOI: | 10.18725/OPARU-49221 |
9.
T. Grebner,
A. Grathwohl,
P. Schoeder,
V. Janoudi and
C. Waldschmidt,
"Probabilistic SAR Processing for High-Resolution Mapping Using Millimeter-Wave Radar Sensors",
IEEE Transactions on Aerospace and Electronic Systems,
pp. 1-16,
2023.
| DOI: | 10.1109/TAES.2023.3289784 |
| Weblink: | https://oparu.uni-ulm.de/xmlui/handle/123456789/51348 |
8.
A. Grathwohl,
B. Meinecke,
M. Widmann,
J. Kanz and
C. Waldschmidt,
"UAV-Based Bistatic SAR-Imaging Using a Stationary Repeater",
IEEE Journal of Microwaves,
pp. 1-10,
2023.
| DOI: | 10.1109/JMW.2023.3253667 |
2022
7.
A. Grathwohl,
B. Arendt,
T. Walter and
C. Waldschmidt,
"Influence of Soil Moisture on the Detection of Buried Objects Using an Airborne GPSAR"
in MTT-S International Microwave Symposium - IMS,
IEEE,
Jun.
2022.
| DOI: | 10.18725/OPARU-45418 |
| Datei: |  https://mwt-www.e-technik.uni-ulm.de/downloads/papers/2022/2022_IMS_Grathwohl_Soil_Moisture_GPSAR.pdf |
6.
A. Grathwohl,
M. Stelzig,
J. Kanz,
P. Fenske,
A. Benedikter,
C. Knill,
I. Ullmann,
I. Hajnsek,
A. Moreira,
G. Krieger,
M. Vossiek and
C. Waldschmidt,
"Taking a Look Beneath the Surface: Multicopter UAV-Based Ground-Penetrating Imaging Radars",
IEEE Microwave Magazine,
vol. 23,
no. 10,
pp. 32-46,
2022.
| DOI: | 10.1109/MMM.2022.3188126 |
5.
R. Burr,
M. Schartel,
A. Grathwohl,
W. Mayer,
T. Walter and
C. Waldschmidt,
"UAV-Borne FMCW InSAR for Focusing Buried Objects",
IEEE Geoscience and Remote Sensing Letters,
vol. 19,
pp. 1-5,
2022.
| DOI: | 10.1109/LGRS.2021.3094165 |
2021
4.
A. Grathwohl,
P. Hinz,
R. Burr,
M. Steiner and
C. Waldschmidt,
"Experimental Study on the Detection of Avalanche Victims using an Airborne Ground Penetrating Synthetic Aperture Radar"
in 2021 IEEE Radar Conference (RadarConf21),
2021,
pp. 1-6.
| DOI: | 10.18725/OPARU-38541 |
| Datei: | https://mwt-www.e-technik.uni-ulm.de/world/data/downloads/papers/2021/2021_RadarConf_Grathwohl_Detection_Avalanche_Victims.pdf |
3.
P. Schoeder,
B. Schweizer,
A. Grathwohl and
C. Waldschmidt,
"Multitarget Simulator for Automotive Radar Sensors With Unknown Chirp-Sequence Modulation",
IEEE Microwave and Wireless Components Letters,
vol. 31,
no. 9,
pp. 1086-1089,
2021.
| DOI: | 10.1109/LMWC.2021.3088882 |
| Datei: | http://dx.doi.org/10.18725/OPARU-39231 |
2.
B. Schweizer,
A. Grathwohl,
G. Rossi,
P. Hinz,
C. Knill,
S. Stephany,
H. J. Ng and
C. Waldschmidt,
"The Fairy Tale of Simple All-Digital Radars: How to Deal With 100 Gbit/s of a Digital Millimeter-Wave MIMO Radar on an FPGA [Application Notes]",
IEEE Microwave Magazine,
vol. 22,
no. 7,
pp. 66-76,
2021.
| DOI: | 10.1109/MMM.2021.3069602 |
2020
1.
M. Schartel,
A. Grathwohl,
C. Schmid,
R. Burr and
C. Waldschmidt,
"Tripwire Detection in SAR Images Using a Modified Radon Transform"
in IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium,
Sep.
2020,
pp. 746-749.
| DOI: | 10.1109/IGARSS39084.2020.9323636 |
| Datei: | https://mwt-www.e-technik.uni-ulm.de/world/data/downloads/papers/2020/2020_IGARSS_Schartel_Tripwire_Detection_in_SAR_Images.pdf |