拉曼效應 的英文怎麼說

中文拼音 [lāmànxiàoyīng]
拉曼效應 英文
raman scattering
  • 拉 : 拉構詞成分。
  • 曼 : 曼形容詞1. （柔和） graceful; soft and beautiful 2. （長） prolonged; long-drawn-out
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 拉曼 : jaan karl laaman
  • 效應 : [物理學] effect; action; influence
  1. In particular, they focused on the raman effect, a process in which the wavelength of light lengthens after it scatters off atomic vibrations

    他們的研究重點集中在拉曼效應，也就是當光經由原子震蕩而散射時，光波波長增加的過程。
  2. Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force

    結合丹山橋的結構特點，通過對斜拉橋施工控制及結構計算方法的探討，提出了有效的施工控制系統，實現了對實橋施工數據和技術信息的採集；通過分析理論計算與實際施工狀態的差異，確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法；通過正裝迭代法確定其合理施工狀態，並考慮混凝土的徐變效應，提出了合理的預留拱度和索力調整方案。
  3. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型，通過新近建立的mnls孤子直接微擾理論，研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移，以及通過頻率濾波對自頻移的抑制。為此，首先給出描述mnls孤子的各物理量，然後用mnls孤子直接微擾理論，解析地得到這些問題絕熱近似下的孤子參數演化，並由此選擇頻率濾波的參數，最後用分步傅里葉方法，在對非線性項微商的演算法做出了適合於mnls孤子的改善後，對拉曼效應及頻率濾波進行了直接數值模擬，其中頻率濾波參數用微擾理論確定。
  4. Red shift of the plasmon absorption band was observed after gold particles were assembled into multilayer thin films, and the resulted gold films exhibited a strong surface enhanced raman scattering ( sers ) effect

    金納米粒子組裝成膜之後，其表面等離子體共振吸收峰發生紅移，薄膜具有明顯的表面增強拉曼散射（ sers ）效應。
  5. Research on application and effect of optical fiber raman scatter

    光纖拉曼散射效應及其應用研究
  6. The application of optical fiber raman scattering in sensors and communications

    光纖拉曼散射效應在傳感和通信技術中的應用
  7. Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )

    （ 3 ）研究不同色散遞減類型（拋物線遞減、線性遞減、指數遞減）光纖構成的環形腔中傳輸的特性，發現其色散曲線為指數遞減型光纖有利於皮秒光脈沖的傳輸與壓縮；而對于飛秒脈沖，由於三階色散（ tod ） 、脈沖拉曼自散射（ srs ）及自變陡（ ss ）等高階非線性效應的影響，情況恰恰相反；色散曲線為拋物線遞減型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。
  8. The propagating characteristics of femtosecond pulse in this type of nolm are also investigated. the result shows that the optical switching is valid only under certain condition for femtosecond pulse due to the higher - order dispersions and nonlinear effects, especially the stimulated raman scattering ( srs ). moreover, analysis of the higher - order effects shows that srs enhances the pulse compression in some conditions

    研究結果表明，由於受到高階色散及高階非線性效應的影響，特別是在受激拉曼自散射效應的影響下， nolm的開光特性只在一定條件下存在；並且通過對高階效應的分析比較，發現受激拉曼散射在一定條件下增強了飛秒脈沖的壓縮。
  9. An abnormal phenomenon in the raman spectrum of yb2o3 is found. it is supposed that the special raman spectrum may be the mixed or coupled spectra of the electronic raman spectrum of yb3 + and the vibrational raman spectra of yb2o3. the special raman effect of yb2o3 may be related to some key questions about the theory of the electronic raman spectra

    作者認為， yb _ 2o _ 3特殊的拉曼光譜可能反映的是yb ~ （ 3 + ）的電子拉曼光譜與yb _ 2o _ 3的振動拉曼光譜的混合譜或耦合譜， yb _ 2o _ 3特殊的拉曼光譜效應，可能涉及電子拉曼光譜理論的關鍵問題。
  10. Stimulated raman scattering in standard single - mode fibers pumped by 1 480 nm

    激光泵浦單模光纖受激拉曼效應實驗研究
  11. Third, the paper states that the current rmb exchange rate regime basically conforms to the goals of economic development and the requirements for adequate employment, through the analysis of krugman " trilemma " and balassa samuelson " balassa - samuelson hypothesis " in combination with the study of chinese economic development

    第三，從分析克魯格曼的「三元悖論」到巴拉薩-薩謬爾森的「波及效應」 ，結合中國自身的經濟發展狀況，指出我國現行的人民幣匯率機制基本上是順應中國經濟增長目標和就業的需要。
  12. Surface - enhancement of raman scattering of adsorbed molecule on inversed spherical nickel nanostructure

    鎳納米球腔陣列上吸附分子拉曼散射的表面增強效應
  13. We also compared the effects of positive and negative third - order dispersion working with srs. the result shows that the effect of negative third order dispersion working with srs is more suitable for pulse propagation and compression. as a result, we proposed two methods to facilitate the propagation of optical pulse in nolm, and hence provided a theoretic guidance to the better design of eight - figure fiber laser

    並且通過比較正、負三階色散分別與拉曼散射效應的相互作用對飛秒脈沖傳輸特性的影響，發現脈沖拉曼散射與負的三階色散相互作用更有利於飛秒脈沖的傳輸與壓縮，從而提出了改善了飛秒光脈沖在環形腔中的傳輸特性的兩種方法，進而為「 8 」字形光纖激光器的優化設計提供了理論指導。
  14. In part four, the results of cryogenic raman spectra investigation show temperature dependence of rbm and gm at low temperature is greatly different from at high temperature, and the intensity of most feature is not reversible at low temperature

    在單壁碳納米管的低溫拉曼光譜測量過程中，發現rbm和gm的拉曼頻移在低溫下的溫度效應和在高溫時的溫度效應存在著很大的區別，且特徵峰的強度的變化是不可逆的。
  15. The principal work in this paper is to investigate the third - order nonlinear optical properties of three new organometallic complexes with z - scan technique, and study the molecule structural vibration of these complexes. in order to further understand their nonlinear optical characters there are six chapters in this paper, which can be divided into three sections : in the first section, i. e. chapter one, the current status of the development and practical applications of nonlinear optics are introduced briefly the third - order nonlinear optical effect is introduced particularly

    本文的工作主要是利用單光束z掃描技術研究了三種新型金屬有機化合物的三階非線性光學特性，並且利用拉曼光譜技術探索了這些化合物的結構振動信息，試圖從結構方面更深入的了解其非線性光學性質。論文共分六章，其主要內容概括為三個部分：第一部分，即論文的第一章，簡單介紹了非線性光學發展的現狀以及非線性光學的現實應用和意義，著重介紹三階非線性光學效應，用z掃描方法測量三階非線性光學系數的方法和理論。
  16. Stimulated raman scattering and thermal effect in high power double clad fiber laser

    高功率雙包層光纖激光器受激拉曼散射和熱效應的理論研究
  17. For ultrashort pulsed beam propagation, to study the spatiotemporal instability. consider the time delayed response, a new instability region appeares. the position of this region and the magnitude of the gain depend on the characteristic raman response time

    對于超短脈沖而言，介質的響應也不能看做瞬時的，如果考慮拉曼效應產生的響應的延遲，會產生一對增益邊帶，其位置和大小由響應時間決定。
  18. This paper has studied and set up a supervision and control system based on the backing item of jinzhou yangtze river bridge with main span of 500m, by analyzing the development of construction control of cable - stayed bridges in china and abroad, foreword calculation of 250 work cases of plane bar fem, adoption of advanced equipment and devices, quick analysis of gathered data research of karemen filtering method, least square and gray model gm ( 1, 1 ) into the identification of the real state and precuts and effective manage mechanism

    本文以荊州長江公路大橋主跨500米的混凝土斜拉橋施工為應用背景，通過分析目前國內外大跨度混凝土斜拉橋施工控制現狀，結合該橋施工實踐，運用平面桿系有限元計算理論對大橋250個工藝進行正裝計算，採用先進測試設備和儀器，利用計算機快速分析處理技術對現場監測系統收集的數據進行誤差分析，系用卡爾曼濾波法、最小二乘法和灰色理論gm （ 1 ， 1 ）進行結構真實狀態的識別和後期預測，通過科學高效的監控管理機制的運行和監控實踐，探索並建立了一套適合於大跨度混凝土斜拉橋的施工監測監控體系。
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