Results 21 to 30 of about 1,436,618 (296)
Energy-efficient and high-spectrum-efficiency wireless transmission
With the deployment and commercialization of the fifth-generation (5G) mobile communication networks, the access nodes and data volume of wireless networks are showing massive and explosive growth. In this paper, we firstly review the research progress on the energy-efficient and spectrum-efficient wireless transmission, from the perspectives of both ...
Yajuan Tang +29 more
openaire +2 more sources
This paper investigated the nonlinear vibrations of an uncertain overhung rotor system with rub-impact fault. As the clearance of the rotor and stator is getting smaller, contact between them often occurs at high rotation speeds.
Chao Fu +4 more
doaj +1 more source
Improvement and optimization of NMEA2000 based on an autonomous and controllable platform
ObjectivesIn order to expand the application of NMEA2000 communication protocol standard and optimize and improve its transmission efficiency, an NMEA2000 data acquisition and transmission system based on an autonomous and controllable platform is ...
Weibo ZHONG +3 more
doaj +1 more source
Efficient transient simulation of transmission lines [PDF]
The paper focuses on revealing the salient structural aspects of a new transmission-line model with a view to exploiting them for gains in efficiency and accuracy. The new transmission-line model has as its basis the Telegraphers Equations but the manner
Condon, Marissa
core +1 more source
As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and the performance is highly dependant on the degree of the available ...
Gao, Xiqi +4 more
core +1 more source
Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons [PDF]
We report the continuous and partially nondestructive measurement of optical photons. For a weak light pulse traveling through a slow-light optical medium (signal), the associated atomic-excitation component is detected by another light beam (probe) with
Beck, Kristin M. +4 more
core +2 more sources
Analysis of wireless power transfer based on metamaterial using equivalent circuit
The metamaterial (MA) has been proved to enhance the efficiency of the wireless power transfer (WPT) system considerably in many studies. This study presents an equivalent circuit model using a qualitative and even quantitative simple explanation for the
Cancan Rong +8 more
doaj +1 more source
Zika virus (ZIKV) is transmitted to humans by the infectious bite of mosquitoes such as Aedes aegypti. In a city, the population control of mosquitoes is carried out according to alerts generated by different districts via the analysis of the mosquito ...
Andréia da Costa Paz +12 more
doaj +1 more source
Research progress of blockchain network covert channel
Characterized by decentration, anonymity, strong robustness and tamper resistance, blockchain accompanied by digital currency is a natural carrier for building the covert communication channel.First, the definition and development history of the network ...
Leixiao LI +5 more
doaj
A Novel Method for the Dynamic Coefficients Identification of Journal Bearings Using Kalman Filter
The dynamic coefficients identification of journal bearings is essential for instability analysis of rotation machinery. Aiming at the measured displacement of a single location, an improvement method associated with the Kalman filter is proposed to ...
Yang Kang +4 more
doaj +1 more source

