Results 31 to 40 of about 459,320 (213)
Parametric study of EEG sensitivity to phase noise during face processing [PDF]
, 2008 <b>Background: </b> The present paper examines the visual processing speed of complex objects, here faces, by mapping the relationship between object physical properties and single-trial brain responses.
Pernet, C.R. +11 more
core +1 more source
Polarization Mode Noise in Ultra-Low Drift Phase Reference Distribution System over Fiber Network [PDF]
, 2005 The impact of polarization mode noise on the temporal drift of a delivered analogue phase reference signal through an optical fiber network is studied.
Shillue, William P. +4 more
core +1 more source
Unified Constellation Design Using Projection Over QAM: Concept and Examples
IEEE Open Journal of the Communications Society, 2023 Beyond fifth generation (B5G) / sixth generation (6G) wireless systems require full utilization of all spectrums. However, hardware devices operating in the high-frequency bands bring a series of non-ideal behaviors, including nonlinear distortion caused
Xiaorui Yan +6 more
doaj +1 more source
PHASE AND FREQUENCY NOISE METROLOGY [PDF]
Frequency Standards and Metrology, 2009 As a consequence of a general trend in the physics of oscillators and clocks towards optics, phase and frequency metrology is rapidly moving to optics too. Yet, optics is not replacing the traditional radio-frequency (RF) and microwave domains. Instead, it adds tough challenges.
Rubiola, Enrico +3 more
openaire +2 more sources
IEEE Open Journal of the Communications Society, 2023 This paper considers a multi-user multiple-input multiple-output (MU-MIMO) system with independent phase noise (PN) at user terminals (UTs) due to non-synchronous noisy local oscillators.
Xiaochen He +5 more
doaj +1 more source
Phase noise and amplitude noise in DDS [PDF]
2012 IEEE International Frequency Control Symposium Proceedings, 2012 Their article reports on the measurement of phase noise and amplitude noise of direct digital synthesizers (DDS), ultimately intended for precision time and frequency applications. The DDS noise S ϕ (f) tends to scale down as 1/ν 0 2, until the noise hits the limit due to the output stage.
Claudio E. Calosso +2 more
openaire +1 more source
Joint Effect of Heterogeneous Intrinsic Noise Sources on Instability of MEMS Resonators [PDF]
Electronics, 2015 This article's focus is on the numerical estimation of the overall instability of microelectromechanical-system-based (MEMS) resonators, caused by intrinsic noise mechanisms that are different in nature (electrical, mechanical or chemical). Heterogeneous
Olga Jakšić +6 more
doaj +1 more source
Design of a Miniaturized Low Noise 10 MHz Crystal Oscillator for Rubidium Atomic Frequency Standard
Chinese Journal of Magnetic Resonance, 2022 A miniaturized low noise quartz crystal oscillator for rubidium atomic frequency standard (RAFS) was designed in this paper, with the oscillation circuit applying Colpitts parallel configuration and SC-cut crystal resonator.
WAN Wen-jie +4 more
doaj +1 more source
Robust three-dimensional best-path phase-unwrapping algorithm that avoids singularity loops [PDF]
, 2009 In this paper we propose a novel hybrid three-dimensional phase-unwrapping algorithm, which we refer to here as the three-dimensional best-path avoiding singularity loops (3DBPASL) algorithm.
Burton, David +8 more
core +1 more source
Journal of Low Power Electronics and Applications, 2023 This article presents the design and optimization of a tunable quadrature differential LC CMOS voltage-controlled oscillator (VCO) with a D flip-flop (DFF) frequency divider.
Muhammad Faisal Siddiqui +3 more
doaj +1 more source