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Browsing Fakultät für Elektrotechnik und Informatik by Title

Now showing items 1-20 of 1119

1. Helgoland Power and Energy Conference - 24. Dresdener Kreis 2023

Hofmann, Lutz (Institutionelles Repositorium der Leibniz Universität Hannover : Hannover, 2024-01-16)

Der Sammelband "1. Helgoland Power and Energy Conference" beinhaltet neben einem kurzen Bericht zum 24. Treffen des Dresdener Kreises 2023 wissenschaftliche Beiträge von Doktoranden der beteiligten Hochschulinstitute zum ...
100 Years of Wireless Telephony in Germany: Experimental Radio Transmission from Eberswalde and Königs Wusterhausen

Mathis, Wolfgang; Titze, Anja (Göttingen : Copernicus Publications, 2021)

In this contribution, we examine the development of radio technology before 1921 and the emergence of the broadcasting concept during the World War I. We consider in detail the experiments in the transmitter stations located ...
A 110/230 V AC and 15-400 V DC 0.3 W Power-Supply IC With Integrated Active Zero-Crossing Buffer

Rindfleisch, Christoph; Wicht, Bernhard (New York, NY : IEEE, 2022)

This work presents an offline power supply with fully integrated power stage in 0.18 μ m high-voltage (HV) CMOS silicon on insulator (SOI). It supports both ac-dc and dc-dc conversion from 15-400 V input down to 3.3-10 V ...
12. Dresdener Kreis 2011 Elektroenergieversorgung : Begleitband zum 12. Treffen am 28./29. März 2011 in Hannover

Institut für Energieversorgung und Hochspannungstechnik, Leibniz Universität Hannover (Hannover : Institut für Energieversorgung und Hochspannungstechnik, Leibniz Universität Hannover, 2011)

Am 28. und 29. März 2011 lud das Fachgebiet Elektrische Energieversorgung am Institut für Energieversorgung und Hochspannungstechnik der Gottfried Wilhelm Leibniz Universität Hannover turnusgemäß zum 12. Treffen des Dresdener ...
The 2020 photovoltaic technologies roadmap

Wilson, Gregory M.; Al-Jassim, Mowafak; Metzger, Wyatt K.; Glunz, Stefan W.; Verlinden, Pierre; Xiong, Gang; Mansfield, Lorelle M.; Stanbery, Billy J.; Zhu, Kai; Yan, Yanfa; Berry, Joseph J.; Ptak, Aaron J.; Dimroth, Frank; Kayes, Brendan M.; Tamboli, Adele C.; Peibst, Robby; Catchpole, Kylie; Reese, Matthew O.; Klinga, Christopher S.; Denholm, Paul; Morjaria, Mahesh; Deceglie, Michael G.; Freeman, Janine M.; Mikofski, Mark A.; Jordan, Dirk C.; TamizhMani, Govindasamy; Sulas-Kern, Dana B. (Bristol : IOP Publ., 2020)

Over the past decade, the global cumulative installed photovoltaic (PV) capacity has grown exponentially, reaching 591 GW in 2019. Rapid progress was driven in large part by improvements in solar cell and module efficiencies, ...
24 GHz RFID Communication System for Product Lifecycle Applications

Meyer, Johannes; Dao, Quang Huy; Geck, Bernd (Amsterdam : Elsevier, 2014)

This paper presents the fundamental construction of a 24 GHz Radio Frequency Identification system using an optically powered transponder integrable in metal. Hereby, the system consists of a reader and a transponder. An ...
2D refractive index field measurements in air in different pressure scenarios

Beermann, Rüdiger; Quentin, Lorenz; Reithmeier, Eduard; Kästner, Markus (Bellingham, Wash. : SPIE, 2018)

The optical geometry characterization of wrought hot components can help to quantify material distortion effects during air-cooling. The component's shrinkage behavior is affected by inhomogeneous heat dissipation due to ...
2nd Workshop on Innovative Software Engineering Education

Krusche, Stephan; Kuhrmann, Marco; Schneider, Kurt (Bonn : Gesellschaft für Informatik e.V. (GI), 2019)

This workshop aims at presenting and discussing innovative teaching approaches in software engineering education, which are highly relevant for teaching at universities, colleges, and in online courses. The workshop focuses ...
3-D time-depending simulation of void formation in metallization structures

Dalleau, David (Hannover : Universität, 2003)

[no abstract]
3D Contour Shaping of Buried Objects in Soil

Siebauer, Christian; Grabe, Heyno (Göttingen : Copernicus Publications, 2021)

The basic question of this paper was, whether a detected anomaly found in the ground during an explosives disposal process is actually a non-detonated bomb or non-dangerous metallic scrap. Based on a borehole radar, an ...
3D manufacturing using laser direct structuring and the application on the development of antenna systems

Friedrich, Aline (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

The development of radio systems is subject to constantly increasing demands. These concern the function to be implemented as well as the geometric dimensions of the RF devices in decreasing installation spaces. One resulting ...
3D Models in Motion Compensation

Golestani, Hossein (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2018)

Presentation at the SVCP 2018
3D reconstruction of particle agglomerates using multiple scanning electron microscope stereo-pair images

Töberg, Stefan; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2018)

Scanning electron microscopes (SEM) allow a detailed surface analysis of a wide variety of specimen. However, SEM image data does not provide depth information about a captured scene. This limitation can be overcome by ...
A comprehensive video codec comparison

Laude, Thorsten; Adhisantoso, Yeremia Gunawa; Voges, Jan; Munderloh, Marco; Ostermann, Jörn (Cambridge : Cambridge Univ. Press, 2019)

In this paper, we compare the video codecs AV1 (version 1.0.0-2242 from August 2019), HEVC (HM and x265), AVC (x264), the exploration software JEM which is based on HEVC, and the VVC (successor of HEVC) test model VTM ...
A set-theoretic generalization of dissipativity with applications in Tube MPC

Villanueva, Mario Eduardo; Lazzari, Elena De; Müller, Matthias A.; Houska, Boris (Amsterdam [u.a.] : Elsevier, 2020)

This paper introduces a framework for analyzing a general class of uncertain nonlinear discrete-time systems with given state-, control-, and disturbance constraints. In particular, we propose a set-theoretic generalization ...
A Simple Printed Circuit Board–Based Ion Funnel for Focusing Low m/z Ratio Ions with High Kinetic Energies at Elevated Pressure

Schlottmann, Florian; Allers, Maria; Kirk, Ansgar T.; Bohnhorst, Alexander; Zimmermann, Stefan (Washington, DC : ACS Publications, 2019)

Ion funnels are one of the key components for transferring ions from higher pressure into the vacuum. Typically, ion funnels are constructed of several different plate ring electrodes with a decreasing inner diameter where ...
A systematic literature review on outlier detection in wireless sensor networks

Safaei, Mahmood; Asadi, Shahla; Driss, Maha; Boulila, Wadii; Alsaeedi, Abdullah; Chizari, Hassan; Abdullah, Rusli; Safaei, Mitra (Basel : MDPI AG, 2020)

A wireless sensor network (WSN) is defined as a set of spatially distributed and interconnected sensor nodes. WSNs allow one to monitor and recognize environmental phenomena such as soil moisture, air pollution, and health ...
Ability of Black-Box Optimisation to Efficiently Perform Simulation Studies in Power Engineering

Peters, Lukas; Kutzner, Rüdiger; Schäfer, Marc; Hofmann, Lutz (Warsaw : Sciendo, 2023)

In this study, the potential of the so-called black-box optimisation (BBO) to increase the efficiency of simulation studies in power engineering is evaluated. Three algorithms ("Multilevel Coordinate Search"(MCS) and "Stable ...
Abklingverhalten des Taktsignals bei Einsatz von SAW-Transversalfiltern zur Taktsynchronisation in digitalen Regeneratoren

Cuba, Winfried (Berlin : De Gruyter, 1988)

Das Abklingverhalten des Taktsignals am Ausgang des in einer Taktgewinnungseinrichtung eingesetzten SAW-Transversalfilters wird auf einfache Weise analytisch beschrieben. Damit ist eine rasche Abschätzung des für den ...
Abschätzung der Fehler bei der Streuparameter-Messung von Streifenleitungs-Komponenten mit Hilfe Automatischer Netzwerk-Analysatoren

Kindler, Klaus (Berlin : De Gruyter, 1987)

Komplexe Streuparameter werden häufig mit dem Automatischen Netzwerk-Analysator der Firma HEWLETT-PACKARD gemessen. Das weit verbreitete Vorgehen besteht darin, den Netzwerk-Analysator koaxial zu kalibrieren und die, ...

Now showing items 1-20 of 1119

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