parametric down-conversion中文是什么意思

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中文翻譯
造句

參量下轉(zhuǎn)換

parametric adj. 參(變)數(shù)的；參量的。
down down3 n. 1.(裝被、褥等用的)鴨絨 ...
conversion n. 1.變換，轉(zhuǎn)化，轉(zhuǎn)換；換算，換位。 2.(意見、信 ...
parametric conversion 參量轉(zhuǎn)換
optical parametric conversion 光參量變換
parametric frequency conversion 參數(shù)頻率變換
parametric image conversion 參量圖像變換
parametric up-conversion 參量上轉(zhuǎn)換
down conversion 降頻轉(zhuǎn)換; 下變換
parametric down converter 參數(shù)向下變換器; 降頻參量變換器
a conversion a轉(zhuǎn)換
conversion n. 1.變換，轉(zhuǎn)化，轉(zhuǎn)換；換算，換位。 2.(意見、信仰等的)改變〔特指改信基督教〕；(車身，設(shè)備等的)改裝，改造。 3.【法律】變更；強(qiáng)占；【數(shù)學(xué)】換算法；【邏輯學(xué)】換位(法)；【心理學(xué)】(心理沖突轉(zhuǎn)化為生理病態(tài)的)變形表現(xiàn)，變形發(fā)泄;【軍事】改換裝備；改裝；【商業(yè)】?jī)稉Q；更換(字據(jù)等)。 4.【橄欖球】觸地得分，(籃球)罰球得分。
measurement parametric 參數(shù)式測(cè)量
parametric abscess 子宮旁膿腫
parametric amplification 參變放大; 參量放大; 參數(shù)放大; 生代
parametric amplifier 參考放大器; 參量放大器參數(shù)放大器; 參數(shù)式放大器
parametric analysis 參量分析; 參數(shù)分析; 生代
parametric array 參量陣
parametric borehole 參數(shù)井
parametric channel 變參通道; 變參信道
parametric classification 參數(shù)分類
parametric coding 參數(shù)編碼
parametric combination 參數(shù)組合
parametric command 參數(shù)命令
parametric communication 參量通信; 參數(shù)通信

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例句與用法

Experimental results of four - photon de broglie wavelength measurement are analyzed based on a local description for the quantum state and optical field of photon pairs generated from spontaneous parametric down - conversion ( spdc )
摘要采用對(duì)自發(fā)參量下轉(zhuǎn)換過程產(chǎn)生的光子對(duì)的量子態(tài)和光場(chǎng)的非糾纏態(tài)描述，分析了由自發(fā)參量下轉(zhuǎn)換過程產(chǎn)生的四光子的德布羅意波長(zhǎng)測(cè)量的實(shí)驗(yàn)，得到了與實(shí)驗(yàn)觀測(cè)相一致的結(jié)果。
There are many ways to generate single - photon state , e . g . attenuated laser , quantum dot , pulsed excitation of a single dipole , single nitrogen - vacancy color center in a diamond nanocrystal , cavity - qed and spontaneous parametric down - conversion ( spdc )
目前有多種方案可以制備單光子態(tài)，如直接將激光衰減至單光子水平、量子點(diǎn)、單熒光分子以及金剛石納米顆粒中的n - v色心、腔qed及自發(fā)參量下轉(zhuǎn)換等。
A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down - conversion ( spdc ) biphoton field is described . the process of spdc is studied theoretically . the single photon detection probability and two - photon coincidence probability are derived and the calibration principle for photodetectors is explained . an experimental system has been set up . the sensitivity of a photon - counting photomultiplier tube was measured , and the results were compared with those obtained using conventional method
討論了一種基于自發(fā)參量下轉(zhuǎn)換雙光子場(chǎng)絕對(duì)校準(zhǔn)光電探測(cè)器靈敏度的新方法，著重推導(dǎo)了對(duì)自發(fā)參量下轉(zhuǎn)換過程中產(chǎn)生的單光子的探測(cè)概率和雙光子的符合速率，從而闡明了絕對(duì)測(cè)量光電探測(cè)器量子效率的原理.基于這一方法對(duì)光子計(jì)數(shù)型光電倍增管的響應(yīng)靈敏度進(jìn)行了測(cè)量，并將實(shí)驗(yàn)結(jié)果與常規(guī)方法測(cè)得的結(jié)果進(jìn)行了比較

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