116 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Max Planck Institute for Radio AstronomyDE7 papers
- University of WürzburgDE3 papers
- Christian-Albrechts-Universität zu KielDE2 papers
- Federal Agency for Cartography and GeodesyDE2 papers
- GFZ Helmholtz Centre for GeosciencesDE2 papers
- Heidelberg UniversityDE2 papers
- Instituto de Astrofísica de AndalucíaES2 papers
- Istituto di Radioastronomia di BolognaIT2 papers
- Ludwig-Maximilians-Universität MünchenDE2 papers
- Osservatorio di Astrofisica e Scienza dello Spazio2 papers
- Space Telescope Science InstituteUS2 papers
- Technische Universität BraunschweigDE2 papers
26 papers
Range-Doppler-Acceleration Estimation for Fast-Moving and Accelerating Targets
Nadav Neuberger, Simon Kollecker, Martin Kaeske
A central aspect of every pulsed radar signal processor is the targets Range-Doppler estimation within a Coherent Processing Interval. Conventional methods typically rely on simpli…
Blind Source Separation of Radar Signals in Time Domain Using Deep Learning
Sven Hinderer
Identification and further analysis of radar emitters in a contested environment requires detection and separation of incoming signals. If they arrive from the same direction and a…
The QTF-Backbone: Proposal for a Nationwide Optical Fibre Backbone in Germany for Quantum Technology and Time and Frequency Metrology
Tara Cubel Liebisch, Peter Kaufmann, Harald Schnatz +166
The recent breakthroughs in the distribution of quantum information and high-precision time and frequency (T&F) signals over long-haul optical fibre networks have transformative po…
QoS based resource management for concurrent operation using MCTS
Sebastian Durst, Kilian Barth, Tobias Müller +1
Modern AESA technology enables RF systems to not only perform various radar, communication and electronic warfare tasks on a single aperture, but even to execute multiple tasks con…
A Collection of German Science Interests in the Next Generation Very Large Array
M. Kadler, D. A. Riechers, J. Agarwal +88
The Next Generation Very Large Array (ngVLA) is a planned radio interferometer providing unprecedented sensitivity at wavelengths between 21 cm and 3 mm. Its 263 antenna element ar…
Quality of Service Based Radar Resource Management for Navigation and Positioning
Tobias Müller, Sebastian Durst, Pascal Marquardt +1
In hostile environments, GNSS is a potentially unreliable solution for self-localization and navigation. Many systems only use an IMU as a backup system, resulting in integration e…
Quality of service based radar resource management for synchronisation problems
Tobias Müller, Sebastian Durst, Pascal Marquardt +1
An intelligent radar resource management is an essential building block of any modern radar system. The quality of service based resource allocation model (Q-RAM) provides a framew…
Modern GPR Target Recognition Methods
Fabio Giovanneschi, Kumar Vijay Mishra, Maria Antonia Gonzalez-Huici
Traditional GPR target recognition methods include pre-processing the data by removal of noisy signatures, dewowing (high-pass filtering to remove low-frequency noise), filtering,…
Quality of service based radar resource management for interference mitigation
Sebastian Durst, Pascal Marquardt, Stefan Brüggenwirth
An intelligent radar resource management is an essential building block of any modern radar system. The quality of service based resource allocation model (Q-RAM) provides a framew…
Sparse Reconstruction of Chirplets for Automotive FMCW Radar Interference Mitigation
Aitor Correas-Serrano, María A. González-Huici
Mutual interference in automotive radar scenarios is going to become a major concern as the density of vehicles with radar sensors in the roads increases. The present work tackles…
Improving Magnetic Resonance Imaging with Smart and Thin Metasurfaces
Endri Stoja, Simon Konstandin, Dennis Philipp +6
Over almost five decades of development and improvement, Magnetic Resonance Imaging (MRI) has become a rich and powerful, non-invasive technique in medical imaging, yet not reachin…
Jet collimation in NGC 315 and other nearby AGN
B. Boccardi, M. Perucho, C. Casadio +14
Aims. The collimation of relativistic jets in galaxies is a poorly understood process. Detailed radio studies of the jet collimation region have been performed so far in few indivi…
Quality of service based radar resource management using deep reinforcement learning
Sebastian Durst, Stefan Brüggenwirth
An intelligent radar resource management is an essential milestone in the development of a cognitive radar system. The quality of service based resource allocation model (Q-RAM) is…
Quantum illumination with multiple entangled photons
Ricardo Gallego Torromé, Nadya Ben Bekhti-Winkel, Peter Knott
In this work, a theoretical generalization of Lloyd's quantum illumination to signal beams described by two entangled photon states is developed. It is shown that the new protocol…
The TeV-emitting radio galaxy 3C 264. VLBI kinematics and SED modeling
B. Boccardi, G. Migliori, P. Grandi +5
In March 2018, Mukherjee (2018) reported the detection by VERITAS of very-high-energy emission (VHE; > 100 GeV) from 3C 264. This is the sixth, and second most distant, radio galax…
F-GAMMA: Multi-frequency radio monitoring of Fermi blazars. The 2.64 to 43 GHz Effelsberg light curves from 2007-2015
E. Angelakis, L. Fuhrmann, I. Myserlis +7
The advent of the Fermi-GST with its unprecedented capability to monitor the entire 4 pi sky within less than 2-3 hours, introduced new standard in time domain gamma-ray astronomy.…
Rotation numbers and the Euler class in open books
Sebastian Durst, Marc Kegel, Joan E. Licata
This paper introduces techniques for computing a variety of numerical invariants associated to a Legendrian knot in a contact manifold presented by an open book with a Morse struct…
Circumgalactic gas at its extreme: tidal gas streams around the Whale galaxy NGC 4631 explored with HST/COS
P. Richter, B. Winkel, B. P. Wakker +8
We present a detailed analysis of the absorption properties of one of the tidal gas streams around the Whale galaxy NGC4631 in the direction of the quasar 2MASSJ12421031+3214268. O…
High cadence, linear and circular polarization monitoring of OJ 287 - Helical magnetic field in a bent jet
I. Myserlis, S. Komossa, E. Angelakis +5
We present a multi-frequency, dense radio monitoring program of the blazar OJ287 using the 100m Effelsberg radio telescope. We analyze the evolution in total flux density, linear a…
Dictionary Learning for Adaptive GPR Landmine Classification
Fabio Giovanneschi, Kumar Vijay Mishra, Maria Antonia Gonzalez-Huici +2
Ground penetrating radar (GPR) target detection and classification is a challenging task. Here, we consider online dictionary learning (DL) methods to obtain sparse representations…
Robotic Control for Cognitive UWB Radar
Stefan Brüggenwirth, Fernando Rial
In the article, we describe a trajectory planning problem for a 6-DOF robotic manipulator arm that carries an ultra-wideband (UWB) radar sensor with synthetic aperture (SAR). The r…
Full-Stokes polarimetry with circularly polarized feeds - Sources with stable linear and circular polarization in the GHz regime
I. Myserlis, E. Angelakis, A. Kraus +8
We present a pipeline that allows recovering reliable information for all four Stokes parameters with high accuracy. Its novelty relies on the treatment of the instrumental effects…
Adaptive channel selection for DOA estimation in MIMO radar
David Mateos-Núñez, María A. González-Huici, Renato Simoni +1
We present adaptive strategies for antenna selection for Direction of Arrival (DoA) estimation of a far-field source using TDM MIMO radar with linear arrays. Our treatment is formu…
Online Dictionary Learning Aided Target Recognition In Cognitive GPR
Fabio Giovanneschi, Kumar Vijay Mishra, Maria Antonia Gonzalez-Huici +2
Sparse decomposition of ground penetration radar (GPR) signals facilitates the use of compressed sensing techniques for faster data acquisition and enhanced feature extraction for…