Results 21 to 30 of about 6,965,165 (306)

An optical fibre-based frequency dissemination network for Australia

, 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., Orr, B., Wouters, M., Gray, M., He, Y., Shaddock, D., Hsu, M., Warrington, R., Aben, G., Baldwin, K.   +9 more
core   +1 more source

Frequency synchronization induced by frequency detuning

Science Advances
It is widely held that identical systems tend to behave similarly under comparable conditions. Yet, for systems that interact through a network, symmetry breaking can lead to scenarios in which this expectation does not hold. Prominent examples are chimera states in multistable phase-oscillator networks.
Jorge Luis Ocampo-Espindola, Christian Bick, Adilson E. Motter, István Z. Kiss   +3 more
openaire   +4 more sources

QUASIORTHOGONAL FREQUENCY ACCESS ON SUBCARRIER FREQUENCIES

Advanced Information Systems, 2019
In the article, it is described the principles of implementing the method based on quasiorthogonal frequency access on subcarrier frequencies. The key element of quasiorthogonal frequency access on subcarrier frequencies is the using of the individual distribution of frequency subcarriers in different frequency plans of the ensemble in the general ...
Sverhunova, Yuliia, Shtompel, Mykola, Lysechko, Volodymyr, Kovtun, Iryna   +3 more
openaire   +4 more sources

Current limitations of cryogenic microwave oscillator frequency stability

, 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., John G. Hartnett, Stephen R. Parker, Ivanov, E., Tobar, M., Michael E. Tobar, Hartnett, J., Eugene N. Ivanov   +7 more
core   +1 more source

Efforts towards a low-temperature-sensitive physics package for vapor cell atomic clocks

Satellite Navigation, 2020
Strong environmental dependence is an intractable problem for vapor cell clocks, for which the high-temperature sensitivity of the physics package is considered one of the dominant reasons.
Qiang Hao, Wenxiang Xue, Feng Xu, Kemu Wang, Peter Yun, Shougang Zhang   +5 more
doaj   +1 more source

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

, 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, Filippo Levi, COSTANZO, Giovanni Antonio, Alberto Mura, Claudio E. Calosso, Godone, Aldo, A. Godone, G. A. Costanzo, Claudio, E., Godone A., A. Mura, Aldo Godone, Mura A, Calonico, Davide, Giovanni, A., CALOSSO, CLAUDIO ELIGIO, Mura, Alberto, D. Calonico, Clivati, Cecilia, C. E. Calosso, Levi, Filippo, C. Clivati, F. Levi, Costanzo GA   +23 more
core   +1 more source

Dissociating word frequency and age of acquisition: The Klein effect revived (and reversed). [PDF]

, 2006
The Klein effect (G. S. Klein, 1964) refers to the finding that high-frequency words produce greater interference in a color-naming task than low-frequency words.
Dewhurst, Stephen A., Barry, Christopher
core   +4 more sources

Point spread function decoupling in computational fluorescence microscopy

Light: Science & Applications
Computational fluorescence microscopy constantly breaks through imaging performance through advanced optical modulation technologies; however, conventional theoretical modeling and experimental measurement approaches are challenging to meet the demand ...
Ziwei Wang, Wanyu Gu, Shaolei Xu, Yupei Miao, Zewei Cai, Xiang Peng, Xiaoli Liu, Liwei Liu, Qifeng Yu   +8 more
doaj   +1 more source

Frequency Shifting [PDF]

Federal Reserve Bank of San Francisco, Working Paper Series, 2013
What determines the frequency domain properties of a stochastic process? How much risk comes from high frequencies, business cycle frequencies or low frequency swings? If these properties are under the influence of an agent, who is compensated by a principal according to the distribution of risk across frequencies, then the nature of this contracting ...
openaire   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen, Calogero Virgone, Antje Redlich, Michael Abele, Ricardo Lopez‐Almaraz, Tal Ben‐Ami, Ewa Bien, Gianni Bisogno, Maja Mazic Cesen, Andrea Ferrari, Malgorzata A. Krawczyk, Yves Reguerre, Dominik T. Schneider, Ines B. Brecht, Charlotte Rigaud, Bilgehan Yalcin, Rainer Claus, Christian Vokuhl, Constantin Lapa, Jörg Fuchs, Segolene Hescot, Thomas Walter, Julien Hadoux, Daniel Orbach   +23 more
wiley   +1 more source