動作光譜 的英文怎麼說
中文拼音 [dòngzuòguāngpǔ]
動作光譜
英文
action spectrum-
Because of this, rempi technique can be used to study molecular spectrum, analytical chemistry, state - resolved detection, photoionization and photodissociation dynamic, laser isotope separation and combustion diagnose
Rempi技術在分子光譜、分析化學、態分辨探測、光電離解離動力學、同位素分離、燃燒過程的診斷和分析等研究領域中發揮著重要的作用。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth
隨著激光技術的發展,諧振腔由於其腔內損耗小、精細度高、線寬窄等特點,使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。The reflected light spectrum from interaction of uv laser with solid plasma was measured to investigate the frequency shift due to doppler effect of expanding critical density
測量了紫外超短脈沖激光等離子體中的光譜頻移,分析表明是有質動力和等離子體熱壓力共同作用的結果。In chapter five, the structure and principle of hadamard transform imaging spectrometer are deseribed. method of manufacturing marks, the key element of the spectrometer by applying computer technology lithography is given, practical masks are obtained by this method, errors of the mask that affected the measurement result are modulaton, finally discusses the limitation of hadamard transform imaging spectrometer ' s application
阿達碼變換成像光譜儀的關鍵元件是編碼模板,給出了應用計算機技術、光刻技術等先進技術製作編碼模板的方法,並應用該方法製作了31x33碼元二維移動方式下的空間編碼模板, 31x33碼元一維移動方式下的空間編碼模板,以及63碼元的光譜編碼模板等。The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models
本文選用銀河系中29個累積光譜型為f型的球狀星團作為樣本(這些樣本星團的空間分佈和運動特徵都沒有被詳細地討論過) ,根據它們的基本資料:方位坐標、日心距、視向速度,絕對自行等參數,歸算處理得出了各樣本星團的空間分佈和運動速度。Ticket reading and printing operations are finished automatically by lottery - progress. message is read using a matrix method which is extremely reliable by broadband optical fiber. the printer is a thermal printer, the print head lifespan is as long as 100 kilometers
[讀票、列印操作一次走票自動完成]信息閱讀採用寬光譜電管按點陣讀取,可靠性高,印表機採用熱敏列印,列印頭壽命長達100公里。This paper introduces the research and application of the wearing fault diagnosis for vehicular power transmission systems with its focus on the introduction of the threshold value defining method and its application effect, which has been developed by the authors with the oil spectroscopic analyzer
本文介紹了車輛動力傳動系統磨損類故障診斷的應用研究,重點介紹了作者研究的油液光譜分析界限值制定的方法和應用效果。Raman spectroscopy ( rs ) is a kind of molecule scattering spectroscopy, which is characterized by the frequency excursion that caused by interactions of molecule and photon to show the information of molecule. the frequency excursion reflects the margin between some certain vibrational or rotational energy states
拉曼光譜是一種分子散射光譜,通過與分子相互作用的光子產生的表徵分子振動或轉動能級差的特徵頻移,來反映分子結構或成分的信息。Our group has prepared nanometer - scale metal films in layer structures on glassy carbon ( gc ) substrate by cyclic voltammetric deposition. by using co as probe molecule, we have revealed for the first time, abnormal ir effects ( aires ) on these layer nanostructured films. the alres consists of several abnormal ir features including the enhancement of ir absorption, the inversion of ir band direction ( anti - absorption ), and the increase of fwhm ( increase of the number of different adsorption sites )
本研究小組採用電化學循環伏安電沉積法在gc基底上制備層狀納米結構金屬薄膜,以co作為分子探針,觀察到異常紅外效應( aires )光譜特徵,即co等探針分子發生紅外吸收增強、紅外譜峰方向倒反(反吸收)和譜峰變寬(振動能級離散程度增加) 。The result shows, after the ameliorating, the spectrometer 6 - 6104 can be used conveniently, and it can work stably, and the errors has controlled in the minimum. its differentiate rate and light power collecting sensitivity approached the guideline of top grade spectrometers but its cost was less than the top grade spectrometers
實驗結果顯示,手動調節式實驗光譜儀經過改造后使用方便,工作穩定性較好,誤差控制在允許范圍內,自動化程度高,光譜解析度和光功率探測靈敏度都接近了高檔光譜儀的指標,具有質優價廉的特點。At the same time, we show that under a proper nitrogen doping concentration, due to the " concentration quenching " effect, the full spectrum of the nn3 center ( i. e., its zero phonon line and various phonon replicas ) is revealed without the interference from the spectra of other higher energy centers ( especially nn4 - nn6 )
Gapi . xn :的發光譜在低組分下由尖銳的nn 。線及其聲子伴線組成,隨著組分x的提高,這些尖銳的的譜線逐漸展寬,並向低能端移動,在這個過程中,激子的能量傳輸起著重要作用Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。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。The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k
( 1 )對于光譜標鋼準樣品,當激光器工作電壓為1600v 、氬氣壓力為600乇時,譜線強度達到最大,並且在相同壓強下,氬氣中的等離子體與空氣中的等離子體相比,其輻射強度明顯增強;氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫度卻下降了近1000k ,即等離子體溫度隨環境氣壓的增大而增大;當激光束的焦斑在樣品表面上下移動時,激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。Fiber gratings have several distinguished advantages, such as compare with fiber, low loss and high responsibility. as sensing element, they encode the sensing information in a wavelength form, which are their distinguished advantages over other transducers. that not only make the sensing information does not depend on loss of the system or fluctuation of then source power but also decrease the cost of sensing system and realize multipoint and distributed sensing
光纖光柵與光纖之間存在天然的兼容性,它不僅具有易與光纖連接、低損耗、光譜特性好、可靠性高等特點,而且作為傳感元件,它具有其它傳感器無可比擬的優點,即感應的信息用波長編碼,而波長這個絕對參量不受光源功率的波動、連接或耦合損耗的影響。Ar n2 ) are exhibited. we obtain the complete information and a whole microscopic picture of the intermolecular actions and relative motions of these complexes. all observed bands are rationally assigned by isotope effect and calculated at the internal rotational levels and external vibrational levels are obtained
由理論計算和同位素效應對光譜的分析作了合理的歸屬,獲得了復合物c _ 6h _ 5ch _ 3 … n _ 2 、 ar的分子間相對振動模式和內轉動的能級躍遷完整信息。The topics are as follows : first, the sources and kinds of vibration in optical intersatellite communication are discussed, and base on actual vibration spectrum measured on the communication satellites, some rules are summarized
具體工作包括:首先,探討了星間光通信中衛星平臺振動的來源與種類,研究了國外幾顆光通信衛星上實測的振動光譜,總結出振動所遵循的幾個規律。With the addition of kc1, infrared cut - off wavelengths almost remained constant, but the short - wave absorption edges shifted towards shorter wavelength next to the visible transmission spectra
隨著kcl的加入,玻璃的透紅外截止波長沒有變化,短波吸收限向短波移動。拉曼光譜表明: kcl與ges _ 2不發生相互作用。The research work presented a large quantity of debris characteristics parameters, and especially made a thorough study on the characteristic description of sediment chain graph ; meanwhile, the sensibility, differentiation and information redundance analyses of the characteristic parameters also supplies the quantitative indexes for the filtration and optimization of the debris characteristic parameters ; in addition, the debris fusion decision recognition method based on the proof fusion theory and the comprehensive debris recognition flow provide reliable recognition arithmetic for debris recognition ; and lastly, the fault fusion diagnosis judging method based on ferro - graph and spectral analysis provides the basic diagnosis method in theory for multi - fault premonitory diagnosis system of aero - engine
本文研究工作提出了大量磨粒特徵參數,尤其深入研究了沉積鏈譜片的特徵描述問題;同時,特徵參數的敏感性、區分度與冗餘度分析為磨粒特徵參數的篩選優化提供了量化指標;另外,基於證據融合理論的磨粒統計融合決策識別方法以及磨粒綜合識別流程為磨粒識別提供了可靠的識別演算法;最後,基於光譜和鐵譜信息的磨損故障融合診斷決策方法為發動機多故障徵兆綜合診斷系統提供了基本的診斷理論手段。分享友人