Results 11 to 20 of about 5,878,598 (319)

Frequency-Hopping Wave Engineering with Metasurfaces [PDF]

open access: yes, 2023
Wave phenomena can be artificially engineered by scattering from metasurfaces, which aids in the design of radio-frequency and optical devices for wireless communication, sensing, imaging, wireless power transfer and bio/medical applications.
Daisuke Nita (16541400)   +4 more
core   +1 more source

An optical fibre-based frequency dissemination network for Australia [PDF]

open access: yes, 2011
An optical-fibre network is being planned for distribution of optical and microwave reference frequencies in Australia. This network would connect a number of research facilities and the National Measurement Institute (NMI), allowing long-range ...
Luiten, A.   +9 more
core   +1 more source

Current limitations of cryogenic microwave oscillator frequency stability [PDF]

open access: yes, 2014
Technical paperCryogenic microwave oscillators built upon sapphire loaded cavity resonators exhibit excellent levels of frequency stability. Here we present an overview of the current understanding of the various processes and noise sources that limit ...
Parker, S.   +7 more
core   +1 more source

FFT Frequency-response Program (Data File 3) [PDF]

open access: yes, 2022
 "Frequency-response program.csv" is  the FFT frequency response program based on Matlab 7.0.  
Kuo Li (1468930)
core   +1 more source

Frequency conversion based on three-wave parametric solitons [PDF]

open access: yes, 2010
Parametric three-wave mixing in quadratic nonlinear crystals provides a versatile means of achieving widely tunable frequency conversion of laser light, thus permitting a substantial extension of the wavelength coverage of laser sources across broad ...
Degasperis, Antonio   +17 more
core   +1 more source

Robust Detection of Fast and Slow Frequency Jumps of Atomic Clocks [PDF]

open access: yes, 2017
This paper presents a frequency jump detector for atomic clocks. The detector considers both fast frequency jumps, which are abrupt variations of the clock frequency trend, and slow frequency jumps, which correspond to variations of the frequency trend ...
Galleani, Lorenzo, TAVELLA, PATRIZIA
core   +1 more source

Frequency-domain precoding for single carrier frequency-division multiple access [PDF]

open access: yes, 2009
At present there is considerable interest in the use of single carrier frequency-division multiple access. This interest is justified by the inherent single carrier structure of the SC-FDMA scheme, which is more robust against phase noise and has a lower
Nix, AR, Noune, MB
core   +1 more source

Planar-Waveguide External Cavity Laser Stabilization for an Optical Link with 1E-19 Frequency Stability [PDF]

open access: yes, 2011
We stabilized the frequency of a compact planar-waveguide external cavity laser (ECL) on a Fabry-P\'erot cavity (FPC) through a Pound-Drever-Hall scheme.
Davide Calonico   +23 more
core   +1 more source

Frequency-Power Control of VSWTG for Improved Frequency Regulation [PDF]

open access: yes, 2023
With increasing wind energy penetration and impending grid codes, it is important to enable wind-based power plants to provide sensitive frequency response in grids that may experience irregular frequency fluctuations with noise induced.
Asma Aziz (13059384)   +1 more
core  

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