Results 51 to 60 of about 214,263 (164)

基于虚拟样机的回转平台传动系统动力学与控制方法研究

open access: yesJixie chuandong, 2013
A rotary platform is studied.The control method of its electromechanical transmission system is studied by usingvirtual prototype technology and control theory.Virtual prototype model of rotary platformis established in RecurDyn/Gear based on the Hertz ...
方子帆   +5 more
doaj  

Atmospheric effects on continuous-variable quantum key distribution

open access: yesNew Journal of Physics, 2018
Compared to fiber continuous-variable quantum key distribution (CVQKD), atmospheric link offers the possibility of a broader geographical coverage and more flexible transmission.
Shiyu Wang   +3 more
doaj   +1 more source

DC-Link Voltage Regulation for Wind Power System by Complementary Sliding Mode Control

open access: yesIEEE Access, 2019
Considering the non-rigid transmission connection between the wind turbine and the generator, their angular velocity is inconsistent. A DC-link voltage control model with uncertainties is established by a two-mass inertial model. The system uncertainties
Yanwei Huang   +3 more
doaj   +1 more source

Multipath congestion control algorithm based on link capacity

open access: yesTongxin xuebao, 2020
Factors such as link differences and TCP friendliness constraints lead to the problem of unfair bandwidth allocation when the TCP congestion control mechanism was applied directly to multi-path transmission.To address the problem,it was proposed that a ...
Zhu WANG   +4 more
doaj   +2 more sources

FCMPR:A multi-path secure transmission method based on link security assessment and fountain coding

open access: yesInternational Journal of Intelligent Networks
The security of network data transmission has always been a focus of attention. With the rapid development of quantum computers and the rise of intelligent algorithms such as semantic analysis, traditional data encryption methods struggle to ensure the ...
Jianhang Liu   +6 more
doaj   +1 more source

Modeling and Performance Analysis of MDM−WDM FSO Link Using DP-QPSK Modulation Under Real Weather Conditions

open access: yesTelecom
Free space optics (FSOs) is an emerging technology offering solutions for secure and high data rate transmission in dense urban areas, back haul link in telecommunication networks, and last mile access applications.
Tanmeet Kaur   +2 more
doaj   +1 more source

Model Based Data Transmission: Analysis of Link Budget Requirement Reduction

open access: yesCommunications and Network, 2012
Communications capability can be a significant constraint on the utility of a spacecraft. While conventionally enhanced through the use of a larger transmitting or receiving antenna or through augmenting transmission power, communications capability can also be enhanced via incorporating more data in every unit of transmission. Model Based Transmission
openaire   +2 more sources

Channel model-based multiple layers satellite-ground integrated data allocation strategy

open access: yesTongxin xuebao
To address the problem of inefficient satellite-ground link handover, unbalanced data allocation, and high probability of data transmission interruptions in space-air-ground integrated networks, a channel model-based multiple layers satellite-ground ...
SONG Yujie, CAO Yue, CHEN Nuo, SUN Zhili
doaj   +2 more sources

Efficient Dynamic Network Loading Modeling: The fixed point link transmission model

open access: yes, 2013
At the core of dynamic traffic assignment (DTA) we find the Dynamic Network Loading (DNL). The goal of the DNL is to find consistency between the propagation of traffic flows on the network and the constraints imposed by roads (e.g. maximum throughput, speed limits,...) or intersections (e.g.
Himpe, Willem, Tampère, Chris
openaire   +1 more source

Research on the Techniques of Quality of Transmission Estimation for 100 Gbit/s PDM-QPSK Systems

open access: yesGuangtongxin yanjiu, 2016
The techniques of transmission performance optimization for high-speed coherent optical detection based 100Gbit/s PDM-QPSK systems is studied under the irregular fiber span configuration scenario.The analytical calculation model for the optimal link ...
LUO Bin   +3 more
doaj  

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