Results 21 to 30 of about 434,022 (280)

COMPARISON OF TIME AND TIME-FREQUENCY DOMAINS IMPULSIVE NOISE MITIGATION TECHNIQUES FOR POWER LINE COMMUNICATIONS

open access: yesJournal of Engineering and Sustainable Development, 2023
Impulsive noise is one of the foremost situations in power line communications that degrades the performance of orthogonal frequency division multiplexing used for the power line communications channel.
Asaad Mohammed   +1 more
doaj   +1 more source

Using Hybird Genetic Algorithm In Audio Steganography [PDF]

open access: yesالمجلة العراقية للعلوم الاحصائية, 2013
In this paper, a proposed method for hiding secret data in audio file (.WAV) is introduced. Genetic algorithm has been hybridized with conjugate gradient algorithm which is one of the methods for solving nonlinear unconstrained minimization problem, the ...
Ban A . Mitras, Nada F. Hassan
doaj   +1 more source

Hybrid Analog-Digital Precoding for Interference Exploitation [PDF]

open access: yes, 2018
We study the multi-user massive multiple-input-single-output (MISO) and focus on the downlink systems where the base station (BS) employs hybrid analog-digital precoding with low-cost 1-bit digital-to-analog converters (DACs). In this paper, we propose a
Li, Ang, Liu, Fan, Masouros, Christos
core   +2 more sources

Research Progress of M13 Bacteriophage-Based Biosensors

open access: yesNanomaterials, 2019
Recently, new virus-based sensor systems that operate on M13 bacteriophage infrastructure have attracted considerable attention. These systems can detect a range of chemicals with excellent sensitivity and selectivity.
Jong-Sik Moon   +5 more
doaj   +1 more source

A GA-based simulation system for WMNs: comparison analysis for different number of flows, client distributions, DCF and EDCA functions [PDF]

open access: yes, 2017
In this paper, we compare the performance of Distributed Coordination Function (DCF) and Enhanced Distributed Channel Access (EDCA) for normal and uniform distributions of mesh clients considering two Wireless Mesh Network (WMN) architectures.
Barolli, Admir   +5 more
core   +2 more sources

Performance Analysis of Relay-Aided Hybrid FSO/RF Cooperation Communication System over the Generalized Turbulence Channels with Pointing Errors and Nakagami-m Fading Channels

open access: yesSensors, 2023
To improve the performance of fee-space optical communication systems, this paper analyzes the performance of a relay-aided hybrid fee-space optical (FSO)/radio frequency (RF) cooperation system based on a selective combination and decoding forward ...
Yan Wu, Gang Li, Dejin Kong
doaj   +1 more source

Digital Predistortion of Millimeter-Wave Hybrid Beamforming Transmitters Using Observation Receivers With Low-Bit Resolution Analog-to-Digital Converter

open access: yesIEEE Access, 2021
This paper proposes a new digital predistortion (DPD) scheme for linearizing millimeter-wave hybrid beamforming transmitters using observation receivers with low-bit resolution analog-to-digital converters (ADCs).
Ahmed Ben Ayed   +3 more
doaj   +1 more source

Experimental Realization of Br\"{u}schweiler's exponentially fast search algorithm in a homo-nuclear system

open access: yes, 2002
Compared with classical search algorithms, Grover quantum algorithm [ Phys. Rev. Lett., 79, 325(1997)] achieves quadratic speedup and Bruschweiler hybrid quantum algorithm [Phys. Rev. Lett., 85, 4815(2000)] achieves an exponential speedup. In this paper,
G. L. Long   +5 more
core   +1 more source

Modeling and Simulation of Bottom Hole Pattern of Hybrid Bit and Cutter Layout Optimization

open access: yesShiyou jixie, 2020
The outline of the cutting structure of the hybrid bit is the projection of the cone cutting structure and the PDC cutting structure on the same two-dimensional plane, which will lose part of the cutter distribution information and will limit the design ...
吴泽兵   +4 more
doaj  

Deep neural networks to correct sub-precision errors in CFD

open access: yesApplications in Energy and Combustion Science, 2022
Information loss in numerical physics simulations can arise from various sources when solving discretised partial differential equations. In particular, errors related to numerical precision (“sub-precision errors”) can accumulate in the quantities of ...
Akash Haridas   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy