Results 1 to 10 of about 1,156,056 (294)

Market leadership through technology – Backward compatibility in the U.S. Handheld Video Game Industry [PDF]

open access: yes, 2010
The introduction of a new product generation forces incumbents in network industries to rebuild their installed base to maintain an advantage over potential entrants.
Claussen, Jörg   +2 more
core   +1 more source

The Bioactivities and Potential Clinical Values of Polysaccharides

open access: yesNatural Product Communications, 2021
Angelica sinensis Radix (ASR), one of the most commonly used traditional Chinese medicines, contains many chemical components such as polysaccharides, volatile oil, flavonoids, amino acids, and organic acids, among which polysaccharides play an ...
Shi-Jie Bi   +4 more
doaj   +1 more source

Influence of Polarity Reversal Period and Temperature Gradient on Space Charge Evolution and Electric Field Distribution in HVDC Extruded Cable

open access: yesEnergies, 2022
During the operation of HVDC extruded cables, voltage polarity reversal (VPR) is considered one of the most severe conditions for cable insulation.
Yifan Zhou, Bo Gao, Wei Wang, Ke Song
doaj   +1 more source

Modular System-Level Modeling Method for the Susceptibility Prediction of Balise Information Transmission System

open access: yesApplied Sciences, 2020
For high-speed train, balise transmission module (BTM) system is easily interfered with by other equipment of the train. This could cause the train to malfunction.
Dan Zhang   +5 more
doaj   +1 more source

Proper subspaces and compatibility [PDF]

open access: yes, 2015
Let $\mathcal{E}$ be a Banach space contained in a Hilbert space $\mathcal{L}$. Assume that the inclusion is continuous with dense range. Following the terminology of Gohberg and Zambicki\v{\i}, we say that a bounded operator on $\mathcal{E}$ is a proper
Andruchow, Esteban   +2 more
core   +2 more sources

The Assisted Positioning Technology for High Speed Train Based on Deep Learning

open access: yesApplied Sciences, 2020
In the positioning process of a high-speed train, cumulative error may result in a reduction in the positioning accuracy. The assisted positioning technology based on kilometer posts can be used as an effective method to correct the cumulative error ...
Yali Song, Yinghong Wen
doaj   +1 more source

Measurement Techniques for Electromagnetic Shielding Behavior of Braided-Shield Power Cables: An Overview and Comparative Study

open access: yesMeasurement Science Review, 2019
More and more EMC tests have shown that the radiated emission problems of the equipment under test mainly concentrate on the intercon- nected power cables and cable connectors.
Hu Peng   +6 more
doaj   +1 more source

Coupling Analysis for Shielded Cables in the Train Using Hybrid Method

open access: yesIEEE Access, 2019
Due to the limited space on the train, the shielded cables were utilized to protect signal cables against influence by the disturbance from power cables which arranged in parallel with the signal cables.
Dan Zhang   +5 more
doaj   +1 more source

Broadband D-Band Patch Antenna Array in Wafer-Level Package Based on BCB Process

open access: yesIEEE Open Journal of Antennas and Propagation, 2022
This paper presents a broadband stacked patch antenna array in wafer-level package based on benzocyclobutene (BCB) process for D-band wireless communications.
Xiaocheng Wang   +4 more
doaj   +1 more source

A stability criterion for high-frequency oscillations [PDF]

open access: yes, 2015
We show that a simple Levi compatibility condition determines stability of WKB solutions to semilinear hyperbolic initial-value problems issued from highly-oscillating initial data with large amplitudes.
Lu, Yong, Texier, Benjamin
core   +1 more source

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