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Coherence time中文

Webcoherence 在英语-中文(简体)词典中的翻译. coherence. noun [ U ] uk / kəʊˈhɪə.r ə ns / us / koʊˈhɪr. ə ns /. C2. the situation when the parts of something fit together in a … WebCoherence time (communications systems) In communications systems, a communication channel may change with time. Coherence time is the time duration over which the channel impulse response is considered to be not varying. Such channel variation is much more significant in wireless communications systems, due to Doppler effects .

coherence time中文_coherence time是什么意思 - 爱查查

WebFor an electromagnetic wave, the coherence time is the time over which a propagating wave (especially a laser or maser beam) may be considered coherent, meaning that its … Web相干时间 (coherence time) 定义:. 衡量时间相干性的量,是表征相干性显著衰减所需的时间。. 相干时间可以定量表示光的时间相干度。. 在相干理论中,定义相干时间为场相干方程衰减所需的时间。. 对于一个稳定的光场(具有稳定的统计性质),时间相干的相干 ... radio 88.9 loja https://traffic-sc.com

5.4: Coherence - Physics LibreTexts

WebEquivalence relation on waves with equal frequencies and waveforms. In physics, two wave sources are coherentif their frequencyand waveformare identical. Coherence is an ideal property of wavesthat enables … 在物理學中,相干性(coherence)又稱同調性 ,是波的一個理想內稟屬性(英語:Intrinsic and extrinsic properties),它使波可進行「定態干涉」(stationary interference,時間或空間固定下的干涉);亦即為了產生顯著的干涉現象,波所需具備的性質。若兩個波源的頻率和波形相同,則它們是相干 … See more 一般而言,互不相關的波源無法形成可觀察到的干涉圖樣。例如白熾燈或太陽是由很多互不相關、持續生成的微小發光點所組成,每一個發光點只會作用一段時間$${\displaystyle \Delta t\approx 10^{-8}-10^{-9}sec}$$, … See more 兩個波的相干性,稱為「互相干性」,來自於它們彼此之間的相關程度,也就是說,它們彼此之間的相似程度。互相關函數可以量度互相干性。 互相 … See more 一個波$${\displaystyle {\tilde {E}}_{1}(t)}$$與延遲了時間$${\displaystyle \tau }$$的自己波,兩者之間的自相干函數$${\displaystyle {\tilde {\Gamma }}_{11}(\tau )}$$,可以用來量度時間相干性。對應的複相干度為 相干時間與頻寬的關係 See more 以前,只有在學習光學的楊式雙縫實驗時,才會接觸到相干性這術語。現今許多涉及波動的領域,像聲學、電子工程、量子力學等等,都會使用到這術語。許多科技的運作都倚賴相干性質為基礎。例如,全像攝影術、音波相位陣列、光學相干斷層掃描、天文光學干涉儀 See more 下述這些波的共同之處是,它們的物理行為可以用波動方程式或推廣的波動方程式來描述: • 繩索的機械波。 • 液體的表面波。 See more 為了展示出顯著的干涉圖樣,楊氏雙縫實驗所使用的光源必須具有空間相干性。光學影像系統與天文望遠鏡的製作必需考慮到光源的空間相干性。 See more 不同頻率的波(在光學裏,不同顏色的光波),假若有固定的相對相位關係,則會因干涉而形成一個脈衝波(參閱傅里葉變換)。反過來說,假若不同頻率的波是不相干的,則結合在一起它 … See more WebThe coherence time quantifies the degree of first-order temporal coherence via the time over which coherence is lost. The coherence length is the coherence time times the vacuum velocity of light, and thus also characterizes the temporal (not spatial!) coherence via the propagation length (and thus propagation time) over which coherence is lost. do zambians need a visa for uk

Effects of Temperature Variations during Sintering of Metal …

Category:Coherence 释义 柯林斯英语词典 - Collins Dictionary

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Coherence time中文

coherence中文_coherence是什么意思 - 爱查查

WebThe coaxial collinear printed dipole structure used to improve gain and arrays with good coherence.免费在线英译汉翻译工具,kjson免费将英语The coaxial collinear printed dipole structure used to improve gain and arrays with good coherence.翻译成汉语 ... A collimating unit is designed for temperature feedback control in real ... Webn. 1.紧密的结合,凝聚。. 2.统一,首尾一贯;一致性。. 3.【物理学】同调;【光学】相干性,相参性;【化学】内聚力;内聚现象。. "average coherence" 中文翻译 : 平均相干. …

Coherence time中文

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WebCalibration loss of ovens used in sintering metal ceramic prostheses leads to stress and cracks in the material of the prostheses fabricated, and ultimately to WebNational Center for Biotechnology Information

Webcoherence 在英語-中文(繁體)詞典中的翻譯. coherence. noun [ U ] uk / kəʊˈhɪə.r ə ns / us / koʊˈhɪr. ə ns /. C2. the situation when the parts of something fit together in a … WebCoherence means the practice to bind sentences and/or paragraphs together, so that all the ideas or thoughts can fit together in a logical and smooth flow. 所谓“连贯”,指的是语句或者段落之间的有效(紧密)衔接,以求行文表述自然流畅,通顺达意。. 这是我们评价习作好坏与否的重要标准 ...

WebMar 10, 2024 · 雅思写作评分标准中的coherence 和cohesion的区别是什么?. 雅思写作的四项评分标准分别是Task Response (TR), Coherence and Cohesion (CC), Lexical Resource (LR), 和 Grammar Rang and Accuracy (GR),其中比较难理解是第二项标准Coherenece and Coheresion。. 很多同学不理解这两项评分标准具体 ...

Web1. the act or condition of cohering; cohesion. 2. the quality of being logically integrated, consistent, and intelligible; congruity. his story lacked coherence. 3. … radio 89.1 jazzdoza na jedloWeb中文翻譯 手機版. n. 1.緊密的結合,凝聚。. 2.統一,首尾一貫;一致性。. 3.【物理學】同調;【光學】相干性,相參性;【化學】內聚力;內聚現象。. "average coherence" 中文 … doza nagaokaWebSep 16, 2024 · The coherence time and the width Δω of the frequency line are related as. Figure 5.4.1: The electric field amplitude of the harmonic wave train radiated by a single atom at the centre frequency ˉω. The vertical lines are collisions separated by periods of free flight with mean duration τ0. radio88 programWebOct 13, 2024 · An (often arbitrary) definition of what is considered likely to describe any observation over finite time. A way to convert that to a coherence time, typically: a conversion from some stochastic moment of the PDF to a change-over-time, and an interpretation of that as a frequency. a conversion of that frequency to a time, typically its … doza na cukrWebcoherence meaning: 1. the situation when the parts of something fit together in a natural or reasonable way: 2. the…. Learn more. radio 88 ao vivohttp://www.ichacha.net/coherence.html doza na cukr a sul