Results 81 to 90 of about 1,364,258 (188)

Superimposed pilot-based channel estimation method combined with user scheduling for large-scale MIMO system

open access: yesDianxin kexue, 2016
Time division multiplexing method is commonly used in conventional channel estimation, which results in poor efficiency of bandwidth usage. Additionally, the available pilot resources are finite due to the limited channel coherence time, and the pilot ...
Jie LI, Xiaorong JING
doaj   +2 more sources

Introducing a Novel Method for Measurement of Stationary and Dynamic Torsion in Shafts – With Application to Monitoring of Torsional Vibration

open access: yesنشریه مهندسی دریا, 2016
Strain gage mounted on the surface of the shafts with specified directions are one of the common methods for measurement of the torsion in shafts. The most critical problem in utilization of this method, particularly in the online monitoring of torsional
Mohammad samavatian   +4 more
doaj  

signal-to-noise ratio

open access: yes
Citation: 'signal-to-noise ratio' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08282 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms ...
openaire   +1 more source

A capacitive-piezoelectric hybrid MEMS microphone with signal fusion for enhancing signal-to-noise ratio. [PDF]

open access: yesMicrosyst Nanoeng
Guan Y   +10 more
europepmc   +1 more source

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