Orthogonal Time Frequency Space (OTFS) Modulation Based Radar System [PDF]
International Radar Conference, 2019 Orthogonal time frequency space (OTFS) modulation was proposed to tackle the destructive Doppler effects in wireless communications, with potential applications to many other areas.
P. Raviteja +3 more
semanticscholar +1 more source
Non-linear frequency and amplitude modulation of a nano-contact spin torque oscillator
, 2010 We study the current controlled modulation of a nano-contact spin torque oscillator. Three principally different cases of frequency non-linearity ($d^{2}f/dI^{2}_{dc}$ being zero, positive, and negative) are investigated.
Fred Mancoff +6 more
core +1 more source
An acoustic analog to the dynamical Casimir effect in a Bose-Einstein condensate [PDF]
, 2012 We have realized an acoustic analog to the Dynamical Casimir effect. The density of a trapped Bose-Einstein condensate is modulated by changing the trap stiffness.
Boiron, Denis +6 more
core +3 more sources
Joint Acoustic and Modulation Frequency
EURASIP Journal on Advances in Signal Processing, 2003 There is a considerable evidence that our perception of sound uses important features which is related to underlying signal modulations. This topic has been studied extensively via perceptual experiments, yet there are few, if any, well-developed signal ...
Les Atlas, Shihab A. Shamma
doaj +1 more source
Effects of periodically modulated coupling on amplitude death in nonidentical oscillators
, 2018 The effects of periodically modulated coupling on amplitude death in two coupled nonidentical oscillators are explored. The AD domain could be significantly influenced by tuning the modulation amplitude and the modulation frequency of the modulated ...
Chen, Jiangnan +2 more
core +1 more source
Coherent phonon induced optical modulation in semiconductors at terahertz frequencies [PDF]
, 2013 The coherent modulation of electronic and vibrational nonlinearities in atoms and molecular gases by intense few-cycle pulses has been used for high-harmonic generation in the soft X-ray and attosecond regime, as well as for Raman frequency combs that ...
Constantinescu Anca Monia +4 more
core +2 more sources
IEEE Photonics Journal, 2017 Dynamic Brillouin optical fiber sensors based on fast scanning of Brillouin gain spectrum (BGS) are one of the most promising techniques to measure dynamic strains, where an ∼11-GHz bandwidth arbitrary waveform generator (AWG) or a vector ...
Dexin Ba +6 more
doaj +1 more source
Design and Implementation of Solar OLED Lighting Driver Circuit with Frequency Modulation Control
Energies, 2020 This paper proposes a single-stage single-ended primary inductor converter (SEPIC) converter circuit, which is applied to the organic light-emitting diodes (OLED) driver circuit.
Zhong-Rong Lin, Huang-Jen Chiu
doaj +1 more source
FREQUENCY MODULATION OF DIRECTLY IMAGED EXOPLANETS: GEOMETRIC EFFECT AS A PROBE OF PLANETARY OBLIQUITY [PDF]
, 2016 We consider the time–frequency analysis of a scattered light curve of a directly imaged exoplanet. We show that the geometric effect due to planetary obliquity and orbital inclination induce the frequency modulation of the apparent diurnal periodicity ...
H. Kawahara
semanticscholar +1 more source
Monolithic lithium niobate photonic circuits for Kerr frequency comb generation and modulation [PDF]
Nature Communications, 2018 Microresonator Kerr frequency combs could provide miniaturised solutions for a wide range of applications. Many of these applications however require further manipulation of the generated frequency comb signal using photonic elements with strong second ...
Cheng Wang +5 more
semanticscholar +1 more source