IEEE Geoscience and Remote Sensing Magazine - December 2022 - 28

a pulse-to-pulse basis according to a predetermined sequence.
This also affects the SAR azimuth and range performance
and requires dedicated mitigation techniques.
AUTHOR INFORMATION
Marwan Younis (marwan.younis@dlr.de) received his
B.Sc. degree in electrical engineering from the University
of Baghdad, Iraq, in 1992 and his Dipl.-Ing. (M.Sc.) and
Dr.-Ing. (Ph.D.) degrees in electrical engineering from the
Universität Karlsruhe, Germany, in 1997 and 2004, respectively.
From 1998 to 2004, he was a research scientist with the
Institut für Höchstfrequenztechnik und Elektronik (IHE),
Universität Karlsruhe. Since 2005 he has been with the
Microwaves and Radar Institute of the German Aerospace
Center (DLR), Oberpfaffenhofen 82234, Germany. He is
currently the head of the SAR Techniques Group at the DLR
and a professor for Spaceborne Radar Systems at the Karlsruhe
Institute for Technology (KIT), Karlsruhe, Germany.
He is the author and coauthor of more than 190 conference
papers and 45 reviewed publications, and he holds five patents.
His research interests include synthetic aperture radar
(SAR) systems and techniques, multiple-input, multipleoutput
SAR, digital beamforming, and SAR performance,
calibration, and antennas. He is an active Member of IEEE
and of the IEEE Geoscience and Remote Sensing Society
(GRSS). He served on the GRSS Administrative Committee
from 2018 to 2020, cochairs the Instrumentation and Future
Technologies GRSS Technical Committee, and was an
associate editor of IEEE Geoscience and Remote Sensing Letters
(2012-2019). He is a Fellow of IEEE.
Felipe Queiroz de Almeida (felipe.queirozdealmeida@
dlr.de) received his B.S.E.E. (Hons.) and M.S.E.E. degrees in
electronic engineering from the Aeronautics Technological
Institute, São José dos Campos, Brazil, in 2009 and 2011,
respectively, and his Dr.-Ing. (Ph.D.) degree (Hons.) in electrical
engineering from the Karlsruhe Institute of Technology,
Karlsruhe, Germany, in 2018. He developed his bachelor's
thesis at the Microwaves and Radar Institute, German
Aerospace Center (DLR-HR), Weßling 82234, Germany. In
2009, he was a research intern with the Microwaves and
Radar Institute, DLR-HR. From 2011 to 2014, he was
with Bradar Indústria S.A., São José dos Campos, where
he worked on software development for synthetic aperture
radar (SAR) applications. Since November 2014, he
has been with DLR-HR, first as a Ph.D. student and then
as a researcher. His research interests include radar signal
processing and digital beamforming, in particular beamforming
techniques for high-resolution wide-swath SAR.
He received the EADS Argus Student Award in 2010 for his
bachelor's thesis, the Franz-Xaver-Erlacher Award for Young
Scientists in 2015, and the ITG Award in 2019 for the best
research paper.
Michelangelo Villano (michelangelo.villano@dlr.de) received
his B.Sc. and M.Sc. degrees (Hons.) in telecommunication
engineering from the Sapienza University of Rome,
Rome, Italy, in 2006 and 2008, respectively, and his Ph.D.
28
degree (Hons.) in electrical engineering and information
technology from the Karlsruhe Institute of Technology,
Karlsruhe, Germany, in 2016. Since 2009, he has been with
the German Aerospace Center (DLR), Microwaves and Radar
Institute, Wessling 82234, Germany, where he is currently
the head of the NewSpace SAR Research Group. Since
2019, he has also been a lecturer with Ulm University, Ulm,
Germany. In 2017, he was a visiting research scientist with
the NASA Jet Propulsion Laboratory, Pasadena, California,
where he analyzed novel acquisition modes for the NASA
Indian Space Research Organization synthetic aperture radar
(SAR) instrument. He has authored or coauthored more
than 80 research articles in peer-reviewed journals and international
conference proceedings, and he holds eight patents
in the field of SAR. His research interests include the
conception of innovative SAR modes for high-resolution
wide-swath imaging and the development of low-cost SAR
solutions for frequent and enhanced Earth monitoring. He
has been a member of the Technical Program Committee
of the European Conference on SAR (EUSAR) since 2016.
He was a recipient of the First Place Student Paper Award at
EUSAR in 2014, the IEEE Geoscience and Remote Sensing
Society Letters Prize Paper Award in 2015 and 2017, and the
ITG Dissertation Award in 2017. He is cochair of the Working
Group on Remote Sensing Instrument and Technologies
for Small Satellites of the IEEE Geoscience and Remote
Sensing Society's Technical Committee on Instrumentation
and Future Technologies. He is currently an associate editor
for IEEE Geoscience and Remote Sensing Letters. He is a Senior
Member of IEEE.
Sigurd Huber (sigurd.huber@dlr.de) received his Dipl.Ing.
(M.S.) and Dr.-Ing. (Ph.D.) (Hons.) degrees in electrical
and communication engineering from the Technical
University of Munich, Germany, in 2005 and the Karlsruhe
Institute of Technology, Germany,in 2014, respectively.
Since 2005, he has been with the Microwaves and Radar
Institute of the German Aerospace Center (DLR), Oberpfaffenhofe
82234, Germany, where he is engaged in the
conception of future synthetic aperture radar systems utilizing
advanced multichannel antenna architectures. He is
involved in national and international projects in the field
of Earth observation, encompassing ventures with industry
partners (Airbus), as well as research organizations [European
Space Agency (ESA) and NASA/Jet Propulsion Lab]. In
2018-2019, he served as a project manager in the Phase-A
and Phase-B1 studies for the mission proposal ROSE-L in
the frame of ESA's Copernicus program. His research interests
include classical and quantum field theory and, more
specifically, digital signal processing, inverse problems, array
processing, antenna theory, and quantum optics. He
is the author or coauthor of more than 70 publications in
international conferences and journals and hold a patent
on array-fed reflector antennas for synthetic aperture radar
applications.
Gerhard Krieger (gerhard.krieger@dlr.de) received his
Dipl.-Ing. (M.S.) and Dr.-Ing. (Ph.D.) (Hons.) degrees in
IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE DECEMBER 2022
IEEE Geoscience and Remote Sensing Magazine - December 2022

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