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Berechnung der seitlichen Ankopplung eines Rechteckhohlleiters an einen Rundhohlleiter

Marquard, Jürgen; Wendel, Ralf; Grimm, Mathias (Berlin : De Gruyter, 1994)

Es wird ein Berechnungsverfahren zur Bestimmung der Streuparameter der seitlichen Ankopplung eines Rechteckhohlleiters an einen Rundhohlleiter vorgestellt. Die Anordnung wird in einen Resonator- und drei Hohlleiterbereiche ...
Estimation of the threat of IEMI to complex electronic systems

Kanyou Nana, R.; Korte, S.; Dickmann, S.; Garbe, Heyno; Sabath, F. (Göttingen : Copernicus GmbH, 2009)

The threat of ultra wideband (UWB) sources is interesting for military issues. This paper summarizes information concerning the voltages generated from some commercially available UWB generator systems and their produced ...
Extended post processing for simulation results of FEM synthesized UHF-RFID transponder antennas

Herschmann, R.; Camp, M.; Eul, H. (Göttingen : Copernicus GmbH, 2007)

The computer aided design process of sophisticated UHF-RFID transponder antennas requires the application of reliable simulation software. This paper describes a Matlab implemented extension of the post processor capabilities ...
Fiber-optic fringe projection with crosstalk reduction by adaptive pattern masking

Matthias, Steffen; Kästner, Markus; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2017)

To enable in-process inspection of industrial manufacturing processes, measuring devices need to fulfill time and space constraints, while also being robust to environmental conditions, such as high temperatures and ...
Laser interferometry with translucent and absorbing mechanical oscillators

Friedrich, Daniel; Kaufer, Henning; Westphal, Tobias; Yamamoto, K.; Sawadsky, Andreas; Ya Khalili, F.; Danilishin, S.L.; Goßler, Stefan; Danzmann, Karsten; Schnabel, Roman (Bristol : IOP Publishing Ltd., 2011)

The sensitivity of laser interferometers can be pushed into regimes that enable the direct observation of the quantum behaviour of mechanical oscillators. In the past, membranes with subwavelength thickness (thin films) ...
Measurement of the transient shielding effectiveness of enclosures using UWB pulses inside an open TEM waveguide

Herlemann, H.; Koch, M. (Göttingen : Copernicus GmbH, 2007)

Recently, new definitions of shielding effectiveness (SE) for high-frequency and transient electromagnetic fields were introduced by Klinkenbusch (2005). Numerical results were shown for closed as well as for non closed ...
Measurement uncertainty caused by distance errors during in situ tests of wind turbines

Reschka, Cornelia; Koj, Sebastian; Fisahn, Sven; Garbe, Heyno (Göttingen : Copernicus, 2019)

During the assessment of the electromagnetic emissions of wind turbines (WTs), the aspects of measurement uncertainty must be taken into account. Therefore, this work focuses on the measurement uncertainty which arises ...
Modelling dielectric and magnetic properties of ferroconcrete

Frenzel, T.; Koch, M. (Göttingen : Copernicus GmbH, 2008)

This contribution discusses the modelling and parameterization of dielectric and magnetic properties of ferroconcrete by using numerical electromagnetic field analysis software. The software is based on the Method of Moments ...
Numerical simulation of electromagnetic stirring in continuous casting of wires

Turewicz, P.; Baake, E.; Umbrashko, A. (Bingley : Emerald Group Publishing Ltd., 2011)

Purpose - The purpose of this paper is to describe how electromagnetic stirring during continuous casting of ferrous and non-ferrous metals is applied in order to increase the homogeneity and the material properties by ...
Precise fabrication of ultra violet dielectric dispersion compensating mirrors

Willemsen, Thomas; Schlichting, S.; Kellermann, T.; Jupé, Marco; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)

The present contribution is concentrated on an improved method to manufacture dielectric dispersion compensating mirrors in the ultra violet (UV) range by applying a novel online phase monitoring device. This newly developed ...
Radiation characteristics of a coaxial waveguide with eccentric inner conductor for application in hyperthermia and microwave reflex therapy

Herschmann, R.; Büchel, Olivier (Göttingen : Copernicus GmbH, 2007)

This paper examines the radiation characteristics of a contact emitter conceived for application in hyperthermia and microwave reflex therapy. It is important to analyse the distribution of power density in the near field ...
Uncertainty contribution of a wind turbine to the electric field of a DVOR antenna as a function of wind direction and rotor position

Sandmann, Sergei; Garbe, Heyno (Göttingen : Copernicus GmbH, 2016)

The presence of a wind turbine (WT) has the potential to distort electromagnetic fields emitted by terrestrial radio navigation aids. In this paper especially the field distortion of a Doppler Very High Frequency Omnidirectional ...

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Browsing by Subject "Electromagnetic fields"

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