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Auflistung nach Schlagwort "Modulation"

Anzeige der Dokumente 1-13 von 13

Beeinflussung des Geräuschs von Induktionsmaschinen durch innovative Ständer- und Läufergeometrien

Garbe, Eike Matthias (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2015)

[no abstract]
Bistable arch-like beams with modulated profile as perspective supporting structures of a microelectromenchanical actuator

Enns, Y.B.; Pyatishev, E.N.; Glukhovskoy, A. (Bristol : Institute of Physics Publishing, 2017)

The static mechanical properties of a bistable electromechanical drive with arcuate suspension is investigated. The behaviour of an arcuate suspension and the influence of the beam thickness modulation on the stability of ...
Carrier-envelope offset frequency stabilization of a thin-disk laser oscillator via depletion modulation

Andrade, José R.C.; Modsching, Norbert; Tajalli, Ayhan; Dietrich, Christian M.; Kleinert, Sven; Placzek, Fabian; Kreipe, Bernhard; Schilt, Stephane; Wittwer, Valentin J.; Südmeyer, Thomas; Morgner, Uwe (Piscataway : Institute of Electrical and Electronics Engineers, 2020)

We present a novel concept for the stabilization of the carrier-envelope offset (CEO) frequency of femtosecond pulse trains from thin-disk laser oscillators by exploiting gain depletion modulation in the active gain region. ...
Effect of modulation-doping on luminescence properties of plasma assisted MBE-grown GaN/AIGaN quantum well

Kamata, N.; Klausing, H.; Fedler, F.; Mistele, D.; Aderhold, J.; Semchinova, O.K.; Graul, J.; Someya, T.; Arakawa, Y. (Cambridge : Cambridge University Press, 2004)

In order to improve the crystal quality of GaN-based light emitting devices, photoluminescence (PL) characterization of below-gap states in plasma assisted MBE-grown GaN/AlGaN quantum well (QW) structures has been done by ...
Engineering interactions and anyon statistics by multicolor lattice-depth modulations

Cardarelli, Lorenzo; Greschner, Sebastian; Santos, Luis (College Park, MD : American Physical Society, 2016)

We show that a multicolor modulation of the depth of an optical lattice allows for a flexible independent control of correlated hopping, occupation-dependent gauge fields, effective on-site interactions without Feshbach ...
Exploring unconventional hubbard models with doubly modulated lattice gases

Greschner, Sebastian; Santos, Luis; Poletti, D. (College Park, MD : American Physical Society, 2014)

Recent experiments show that periodic modulations of cold atoms in optical lattices may be used to engineer and explore interesting models. We show that double modulation combining lattice shaking and modulated interactions ...
Extraction of PEDOT:PSS/c-Si Junction Properties by Modeling of Injection-Dependent Lifetime Measurements Including Depletion Region Modulation

Halbich, Marc-Uwe; Schmidt, Jan (Weinheim : Wiley-VCH, 2021)

The carrier lifetime of n-type silicon wafers coated with the conducting polymer PEDOT:PSS as a function of the excess carrier concentration Δp within the wafer is characterized using the quasi-steady-state photoconductance ...
Fault-Ride-Through-Regelung von Windenergieanlagen mit Vollumrichter und LCL-Netzfilter

Meyer, Karl Robert (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2014)

[no abstract]
Modulation von Störquellen in Sensoren und Stromversorgungen zur Reduktion der gemessenen Störpegel bei Luftfahrtgeräten

Meier, Frank (Frankfurt/Main : mesago, 2018)

Ein Sensor benötigt eine Arbeitsfrequenz in UHF-Bereich und liegt damit innerhalb der Frequenzen, die für Luftfahrtanwendungen begrenzt sind. Wird er pulsmoduliert statt kontinuierlich betrieben, so erzeugt er weniger ...
Realisierung eines Verzerrungsarmen Open-Loop Klasse-D Audio-Verstärkers mit SB-ZePoC [Realization of a low switching Open Loop Class D amplifiers using SB-ZePoC]

Schnick, O.; Mathis, Wolfgang (Göttingen : Copernicus GmbH, 2007)

Class-D amplifiers are suiteble for amplification of audio signals. One argument is their high efficiency of 90% and more. Today most of the audio signals are stored or transmitted in digital form. A digitally controlled ...
Scattered Pilot-Based Channel Estimation for Channel Adaptive FBMC-OQAM Systems

Fuhrwerk, Martin; Moghaddamnia, Sanam; Peissig, Jürgen (Piscataway, NJ : Institute of Electrical and Electronics Engineers Inc., 2017)

Shaping the pulse of FilterBank MultiCarrier with Offset Quadrature Amplitude Modulation subcarrier modulation (FBMC-OQAM) systems offers a new degree of freedom for the design of mobile communication systems. In previous ...
Single-element dual-interferometer for precision inertial sensing

Yang, Yichao; Yamamoto, Kohei; Huarcaya, Victor; Vorndamme, Christoph; Penkert, Daniel; Barranco, Germán Fernández; Schwarze, Thomas S.; Mehmet, Moritz; Delgado, Juan Jose Esteban; Jia, Jianjun; Heinzel, Gerhard; Álvarez, Miguel Dovale (Basel : MDPI AG, 2020)

Tracking moving masses in several degrees of freedom with high precision and large dynamic range is a central aspect in many current and future gravitational physics experiments. Laser interferometers have been established ...
Towards a FPGA-controlled deep phase modulation interferometer

Terán, M.; Martín, V.; Gesa, L.; Mateos, I.; Gibert, F.; Karnesis, N.; Ramos-Castro, J.; Schwarze, T.S.; Gerberding, O.; Heinzel, G.; Guzmán, F.; Nofrarias, M. (Bristol : Institute of Physics Publishing, 2015)

Deep phase modulation interferometry was proposed as a method to enhance homodyne interferometers to work over many fringes. In this scheme, a sinusoidal phase modulation is applied in one arm while the demodulation takes ...

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Auflistung nach Schlagwort "Modulation"

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