Results 51 to 60 of about 6,910,807 (299)

Reduction of the In-Band RCS of Microstrip Patch Antenna by Using Offset Feeding Technique

open access: yesInternational Journal of Antennas and Propagation, 2014
This paper presents a method for implementing a low in-band scattering design for microstrip patch antennas based on the analysis of structural mode scattering and radiation characteristics.
Weiwei Xu   +4 more
doaj   +1 more source

Study on International Cooperation to Address Cross-border Telecommunication Network Fraud Offence

open access: yesJournal of Politics and Law
In recent years, under the new technological environment of the international society, cross-border telecommunication network fraud crime cases are high, and various countries are faced with difficult problems of law enforcement cooperation, such as ...
Lan Yu, Qiyan Cong, Sixin Li
semanticscholar   +1 more source

High-Sensitivity Sensing for Relative Humidity and Temperature Based on an Optoelectronic Oscillator Using a Polyvinyl Alcohol-Fiber Bragg Grating-Fabry Perot Filter

open access: yesIEEE Access, 2019
In this paper, a relative humidity (RH) and temperature sensing scheme with high sensitivity based on an optoelectronic oscillator (OEO) is proposed and experimentally demonstrated. A polyvinyl alcohol-Fiber Bragg grating-Fabry Perot (PVA-FBG-FP) filter,
Naihan Zhang   +8 more
doaj   +1 more source

A Sensitized Plastic Fiber Sensor for Multi-Point Bending Measurement Based on Deep Learning

open access: yesIEEE Photonics Journal, 2021
As we all know, the change of mode interference caused by the curvature change in multi-mode fiber (MMF) can be well represented as a fiber specklegram recorded by CCD (Charge-coupled Device).
Shun Lu   +3 more
doaj   +1 more source

MODERN TELECOMMUNICATION NETWORKS IN THE AERONAUTICAL TELECOMMUNICATION NETWORK (ATN)

open access: yesAviation, 2006
This paper summarizes the results of a study of modern telecommunication technology in the Aeronautical Telecommunication Network. The ATN is a data communications inter‐network that provides its users a robust and reliable Air/Ground and Ground/Ground communications service.
openaire   +3 more sources

Two-way optical frequency comparisons at 5*10^-21 relative stability over 100-km telecommunication network fibers [PDF]

open access: yes, 2014
By using two-way frequency transfer, we demonstrate ultra-high resolution comparison of optical frequencies over a telecommunication fiber link of 100 km operating simultaneously digital data transfer.
A. Bercy   +5 more
semanticscholar   +1 more source

Analysis and Design of Leaky-Wave Antenna with Low SLL Based on Half-Mode SIW Structure

open access: yesInternational Journal of Antennas and Propagation, 2015
This paper presents a novel leaky-wave antenna based on the Half-Mode Substrate Integrated Waveguide (HMSIW) structure with low side lobe level. The effect of the structural parameters of the LWAs on the radiation performances is studied.
Jiaying Guo   +4 more
doaj   +1 more source

Deep subwavelength graphene-dielectric hybrid plasmonic waveguide for compact photonic integration

open access: yesResults in Physics, 2021
In this paper, we propose a novel graphene-dielectric hybrid plasmonic waveguide (GDHPW). The fundamental hybrid mode characteristics guided by the GDHPW are numerically investigated.
Xueqing He   +5 more
doaj   +1 more source

All-Optical Temporal Differentiator Based on the Axis-Aligned SFS Fiber Structure Filter

open access: yesIEEE Access, 2021
In this paper, the axis-aligned single mode- four mode- single mode (SFS) fiber structure filter is proposed to be an all-optical temporal differentiator.
Tingya Yin   +3 more
doaj   +1 more source

A comparative study of social network classifiers for predicting churn in the telecommunication industry [PDF]

open access: yesInternational Conference on Advances in Social Networks Analysis and Mining, 2016
Relational learning in networked data has been shown to be effective in a number of studies. Relational learners, composed of relational classifiers and collective inference methods, enable the inference of nodes in a network given the existence and ...
M. Óskarsdóttir   +5 more
semanticscholar   +1 more source

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