Results 11 to 20 of about 204,662 (249)
Square Wave Quadrature Amplitude Modulation for Visible Light Communication Using Image Sensor
Most visible light communication (VLC) technologies use a light emitting diode (LED) as a data transmitter and a photodiode as a receiver. In this paper, we alternatively focus on the use of an image sensor or camera as a receiver due to its wide ...
Syukron Abu Ishaq Alfarozi +4 more
doaj +3 more sources
Influence of Phase-Shifted Square Wave Modulation on Medium Frequency Transformer in a MMC Based SST
This article proposes an approach to identify intrinsic power losses of the medium frequency transformer that interfaces two modular multilevel converters (MMC) operated with phase-shifted square wave modulation (PS-SWM) to form a DC solid state ...
Rachit Agarwal, Sandro Martin, Hui Li
doaj +3 more sources
To improve the anti-interference for ELF/VLF communication based on modulated heating lower-ionosphere, chirp spread spectrum technology with strong anti-interference is combined with square wave amplitude modulation, a novel method of chirp-BOK ...
Kaijie Zhou, Huali Wang, Peipei Cao
doaj +1 more source
Magnetic bias-driven modulation of graphene for tunable gyrotropic and magnetoplasmon devices [PDF]
This work investigates the electromagnetic response of graphene subjected to a magnetic bias field under harmonic modulation. Two representative configurations are analyzed: a small square patch to examine scattering behavior, and a graphene microstrip ...
S. Amanatiadis +4 more
doaj +1 more source
In order to improve the precision and beam quality of a pump laser for a spin exchange relaxation free inertial measurement device, we applied one scheme to achieve the square wave modulation and power stability control of the pump laser and another one ...
Jian Hao +3 more
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Analysis of Kapitza-Dirac diffraction patterns beyond the Raman-Nath regime [PDF]
We study Kapitza-Dirac diffraction of a Bose-Einstein condensate from a standing light wave for a square pulse with variable pulse length but constant pulse area.
Adams +24 more
core +1 more source
Sinusoidal and Relaxation Wide Range Voltage Controlled Oscillators
This paper presents a sinusoidal Wien-bridge and square wave wide range voltage controlled oscillators. The square wave oscillator is based on relaxation (Schmitt trigger) topology.
Milan Stork
doaj +1 more source
Phase boom for an electromagnetic wave in a ferromagnet [PDF]
We study the propagation of an electromagnetic wave with a high intensity in a ferromagnetic medium, in a way analogous to the mathematical theory of nonlinear geometric optics.
H. Leblond
core +2 more sources
Electronic spin-triplet nematic with a twist [PDF]
We analyze a model of itinerant electrons interacting through a quadrupole density-density repulsion in three dimensions. At the mean field level, the interaction drives a continuous Pomeranchuk instability towards $d$-wave, spin-triplet nematic order ...
Green, A. G. +3 more
core +2 more sources
Periodically and quasi-periodically driven dynamics of Bose-Einstein condensates
We study the quantum dynamics of Bose-Einstein condensates when the scattering length is modulated periodically or quasi-periodically in time within the Bogoliubov framework.
Pengfei Zhang, Yingfei Gu
doaj +1 more source

