coherency

　

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/12/21 04:45:39」(JST)

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Coherence, coherency, or coherent may refer to the following,:

Physics

• Coherence (physics), an ideal property of waves that enables stationary (i.e. temporally and spatially constant) interference
• Coherence (units of measurement), a derived unit that, for a given system of quantities and for a chosen set of base units, is a product of powers of base units with no other proportionality factor than one
• Coherence time, the time over which a propagating wave (especially a laser or maser beam) may be considered coherent; the time interval within which its phase is, on average, predictable

Mathematics

• Coherence (philosophical gambling strategy), a concept in Bayesian statistics
• Coherence (signal processing), a statistic that can be used to examine the relation between two signals or data sets
• Coherence (statistics), a property of self-consistency across a set of assessments, or the strength of association between two series
• Coherence condition in category theory, a collection of conditions requiring that various compositions of elementary morphisms are equal
• Coherent sampling, a relationship used in Fast Fourier transforms
• Coherent set of characters in representation theory, a property of sets of characters that allows one to extend an isometry from the degree-zero subspace of a space of characters to the whole space
• Coherent sheaf, a specific class of sheaves having particularly manageable properties closely linked to the geometrical properties of the underlying space
• Mutual coherence (linear algebra), sometimes referred to as coherence, the maximum absolute value of the cross-correlations between the columns of a matrix

Philosophy

• Coherentism, philosophical theories in modern epistemology, the study of knowledge
• Coherence theory of truth, a theory which regards truth as coherence within some specified set of sentences, propositions or beliefs

Computer science

• Coherence (programming language), an experimental programming language based upon Subtext
• Cache coherence, a special case of memory coherence
• Memory coherence, a concept in computer architecture

IT products

• Coherence (software), a component of Parallels Desktop for Mac, the Windows virtualization software
• Coherence (UPNP), some free DLNA/UPnP tools (MediaServer/MediaRender) with a Python framework
• Coherent (operating system), a UNIX-clone operating system
• Oracle Coherence, an in-memory data grid product from Oracle

Other uses

• Coherence (cognitive science), a property of mental/cognitive states
• Coherence (linguistics), what makes a text semantically meaningful
• Coherence (music theory), a synonym for strict Rothenberg propriety in diatonic set theory
• Coherence time (communications systems), duration when a communication channel can be assumed to be constant
• Coherent (company), a company specializing in equipment to make and measure coherent light (lasers)
• Coherent risk measure in financial economics, a function that satisfies properties of monotonicity, sub-additivity, homogeneity, and translational invariance
• Coherence (film), a 2013 science fiction film by James Ward Byrkit

See also

• Cohesion (disambiguation)
• Mutual coherence (disambiguation)
• All pages beginning with "coherence"
• All pages beginning with "coherent"

English Journal

• Analysis of cardiorespiratory phase coupling and cardiovascular autonomic responses during food ingestion.

• Niizeki K1, Saitoh T2.
• Physiology & behavior.Physiol Behav.2016 May 15;159:1-13. doi: 10.1016/j.physbeh.2016.03.004. Epub 2016 Mar 9.
• The present study analyzed whether the phase coherency (λ) of respiratory sinus arrhythmia (RSA) is altered by food ingestion in healthy young subjects. After 5min of resting control, 13 healthy volunteers were asked to eat a solid meal with access to water at their own pace, followed by 5min of th
• PMID 26969519

• Impact of the reference choice on scalp EEG connectivity estimation.

• Chella F1, Pizzella V, Zappasodi F, Marzetti L.
• Journal of neural engineering.J Neural Eng.2016 May 3;13(3):036016. [Epub ahead of print]
• OBJECTIVE: Several scalp EEG functional connectivity studies, mostly clinical, seem to overlook the reference electrode impact. The subsequent interpretation of brain connectivity is thus often biased by the choice of a non-neutral reference. This study aims at systematically investigating these ef
• PMID 27138114

• The Cortical Processing of Sensorimotor Sequences is Disrupted in Writer's Cramp.

• Langbour N1, Michel V2, Dilharreguy B3, Guehl D4, Allard M5, Burbaud P4.
• Cerebral cortex (New York, N.Y. : 1991).Cereb Cortex.2016 Apr 24. pii: bhw108. [Epub ahead of print]
• Evidence for pre-existing abnormalities in the sensory and motor systems has been previously reported in writer's cramp (WC). However, the processing of somatosensory information during motor planning has received little attention. We hypothesized that sensorimotor integration processes might be imp
• PMID 27114174

Japanese Journal

• A Differential Effect of Indian Ocean Dipole and El Niño on Cholera Dynamics in Bangladesh

• Hashizume Masahiro,Chaves Luis Fernando,Faruque A. S. G.,Yunus Md,Streatfield Kim,Moji Kazuhiko
• PLoS ONE 8(3), e60001, 2013-03-29
• … Methodology/Principal Findings: We performed a cross wavelet coherency analysis to examine patterns of association between monthly cholera cases in the hospitals in Dhaka and Matlab (1983-2008) and indices for both IOD and ENSO. …
• NAID 120005231331

• 動的ハイブリッドキャッシュコヒーレンシプロトコル方式

• 中原 亮,金井 敦
• 情報処理学会研究報告. マルチメディア通信と分散処理研究会報告 2013-DPS-154(18), 1-7, 2013-03-07
• マルチプロセッサにおいて,各プロセッサ間の通信に費やされる時間がその性能向上の妨げとなっている.それを改善するためにこれまでにも多くのキャッシュコヒーレンシプロトコルが考案されてきたが,プログラムの特性に依存して効果が変動してしまう.本論文ではプログラムの特性に依存しない新しいプロトコルを提案する.シミュレーションの結果,我々のプロトコルは評価に使用した全てのアプリケーションに対して性能の向上を達 …
• NAID 110009551699

• 動的ハイブリッドキャッシュコヒーレンシプロトコル方式

• 中原 亮,金井 敦
• 情報処理学会研究報告. CSEC, [コンピュータセキュリティ] 2013-CSEC-60(18), 1-7, 2013-03-07
• マルチプロセッサにおいて,各プロセッサ間の通信に費やされる時間がその性能向上の妨げとなっている.それを改善するためにこれまでにも多くのキャッシュコヒーレンシプロトコルが考案されてきたが,プログラムの特性に依存して効果が変動してしまう.本論文ではプログラムの特性に依存しない新しいプロトコルを提案する.シミュレーションの結果,我々のプロトコルは評価に使用した全てのアプリケーションに対して性能の向上を達 …
• NAID 110009551641

Related Links

• Coherency - definition of coherency by The Free Dictionary

The aim of the present study was to analyze the instruction of the Judo coach immediately before the competition, in the process of preparation for the fights, looking to (1) study the coherency between the information which the coach ...

• Coherency

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