Results 1 to 10 of about 178,553 (293)

Nonlinear Distortion by Stimulated Brillouin Scattering in Kramers-Kronig Receiver Based Optical Transmission [PDF]

open access: yesSensors, 2022
Nonlinear distortion for single-sideband (SSB) signals will significantly reduce the performance of Kramers–Kronig (KK) receiver-based optical transmission.
Yuzhu Zhu   +3 more
doaj   +2 more sources

Improving S-Curve Bias Through Joint Compensation of HPA and Filter Distortions [PDF]

open access: yesSensors
Navigation signals are simultaneously affected by nonlinear distortion from the high-power amplifier (HPA) and linear distortion from the filter in the navigation signal transmission channel, which reduce the signal quality and degrade the performance in
Longyu Chen   +4 more
doaj   +2 more sources

Light beams distortion in nonlinear electrodynamics [PDF]

open access: yesJournal of High Energy Physics, 1998
We obtain the characteristic equation for the nonlinear Born-Infeld electrodynamics. This equation has the form of the characteristic equation for the linear electrodynamics in some effective Riemann space. The effective metric include the energy-momentum tensor components of electromagnetic field.
Chernitskii, Alexander A.
openaire   +4 more sources

Nonlinear distortion of nonreciprocal transmission in parity-time-symmetric silicon micromechanical resonators [PDF]

open access: yesMicrosystems & Nanoengineering
Parity-time (PT) symmetric resonators have an exact phase with real frequency eigenvalues and a broken phase with complex-conjugate frequency eigenvalues.
Rui Wang   +4 more
doaj   +2 more sources

Research on SCMA-VLC Receiver based on Convolutional Neural Network

open access: yesGuangtongxin yanjiu, 2022
The signal distortion caused by the limited bandwidth of Light Emitting Diode (LED) and its nonlinear electro-optic conversion severely limit the transmission performance of Visible Light Communication (VLC).
ZOU Shao-qin, LAI Qi-wei, LIN Bang-jiang
doaj   +3 more sources

Nonlinear voltage error analysis and control of resonant high precision converter

open access: yesEnergy Reports, 2023
The current nonlinear distortion of power converter can cause motion trajectory error and positioning error of motor, and affect the nano motion and positioning accuracy of ultra-precision system.
Jian Wei   +4 more
doaj   +1 more source

A Study on the Harmonic Distortion of Seismic-Grade Sigma-Delta MEMS Accelerometers Using a Multiple Degree-of-Freedom Model

open access: yesSensors, 2023
Harmonic distortion is one of the dominant factors limiting the overall signal-to-noise and distortion ratio of seismic-grade sigma-delta MEMS accelerometers. This study investigates harmonic distortion based on the multiple degree-of-freedom model (MDM)
Xuefeng Wang, Penghao Zhang, Shijin Ding
doaj   +1 more source

Deep Learning Based Nonlinear Signal Detection in Millimeter-Wave Communications

open access: yesIEEE Access, 2020
For millimeter-wave (mm-Wave) communications, signal detection in the presence of the power amplifier (PA) nonlinearity and unknown multipath channel has remained one challenging task in single-input single-output (SISO) communication system.
Hongfu Liu   +5 more
doaj   +1 more source

Predistortion Approaches Using Coefficient Approximation and Bidirectional LSTM for Nonlinearity Compensation in Visible Light Communication

open access: yesPhotonics, 2022
A Light-Emitting Diode (LED) has a nonlinear characteristic, and it contains fundamental limitations for the performance of Visible Light Communication (VLC) systems in indoor environments when using intensity modulation with Orthogonal Frequency ...
Yun-Joong Park   +2 more
doaj   +1 more source

ELM-Based Frame Synchronization in Nonlinear Distortion Scenario Using Superimposed Training

open access: yesIEEE Access, 2021
The requirement of high spectrum efficiency puts forward higher requirements on frame synchronization (FS) in wireless communication systems. Meanwhile, a large number of nonlinear devices or blocks will inevitably cause nonlinear distortion.
Chaojin Qing   +4 more
doaj   +1 more source

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