激光及其應用 的英文怎麼說

中文拼音 [jīguāngjíqíyīngyòng]
激光及其應用 英文
laser and its application
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 及 : Ⅰ動詞1 （達到） reach; come up to 2 （夠得上; 比得上） can compare with; be comparable; be up to ...
  • 其 : 其名詞[書面語] （周年） anniversary
  • 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...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  1. Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally

    因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動，國際上高功率二極體泵浦固體激光器（ dpsl ）的研究進展迅速，作為dpsl的一個重要應用，內腔倍頻一直得到大家的重視，但仍有許多未徹底解決的問題和理論上的不完備之處，本論文擬對其中的一些問題作一初步的理論和實驗研究。
  2. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  3. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  4. Methodology for absolute measurement is proposed by using an outside installation mechanism in laser tracking measurement system, which has an important reference value in practicality in high accuracy assembly and inspection of large - scale mechanical field. spherical tracking servo mechanism " s model described in this paper not only is a new thought but also have much reference value in the mechanical design and other industrial machines design

    本文提出的外置式激光跟蹤測距系統應用於無導軌曲線測量的設計方法在大型機械現場組裝與安裝中具有較高的參考價值和實用價值，提出的球形跟蹤伺服機構的設計思想，不僅簡化了伺服機構，對跟蹤伺服機構的設計提供了新思路，而且對機器人設計及其他工業領域機構設計都具有一定的參考價值。
  5. The system of laser microbeam and optical tweezers and its application in the biology

    激光微束與光鉗系統及其在生物學中的應用
  6. Depict the naissance, content, the infection to laser physics of microwave spectroscopy. clarify the innovation, breakthrough and accomplishment of c. h. townes ( the outrunner of laser physics ) in his maser invention

    第三部分綜述了激光物理在創立的前二十年（ 60年代? 70年代）里的發展和主要的應用情況及其影響。
  7. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  8. Laser raman spectroscopy and the advance of its application

    激光拉曼光譜及其應用進展
  9. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  10. Twophoton laser scanning fluorescence microscopy and its applications

    雙光子激光掃描熒光顯微鏡及其應用
  11. Development and application of ultrafast pulse fiber laser

    超短脈沖光纖激光器新進展及其應用
  12. Laser precision process technology and it s applications

    激光精密加工技術及其應用
  13. Superpower semiconductor laser array and its application

    高功率半導體激光器陣列及其應用
  14. Therefore, the waveguide optical modes in the semiconductor lasers with different waveguide structures are investigated by means of optical waveguide theory. with the development of fabrication and packaging techniques, the dimensions of optoelectronic and photonic systems have become smaller and smaller. the far - field radiation models are no longer suitable for the near - field distribution of semiconductor lasers

    隨著製作工藝和封裝技術的發展，光電系統和光子系統的尺寸越來越小，半導體激光輻射的遠場模型不再適合其近場特性的分析；而且，半導體激光器可以作為近場虛擬光探針，應用於近場光學高密度存儲、納米光刻、近場光學成像以及光譜探測等領域。
  15. In this paper, the history, basic process and characteristic of the sol - gel theory and technology are first introduced in brief. then it presents the newly research progresses and the applications of the sol - gel method in preparing bulk, fiber, coatings and films, powder and complex materials. then the kind of sio2 - zro2 gel bulk glass - ceramic is prepared by using sol - gel method and the water - exchanging method

    本文首先簡要介紹了溶膠?凝膠理論和技術的歷史背景、基本工藝過程及特點，並著重評述了溶膠?凝膠技術在制備塊狀、纖維、薄膜與塗層、粉末和復合材料方面的最新研究進展及其應用；採用溶膠?凝膠法與水置換法制備了尺寸較大的sio _ 2 - zro _ 2系玻璃-陶瓷，採用分步水解法制備了摻釹sio _ 2 - al _ 2o _ 3激光玻璃-陶瓷。
  16. Mastersizer 2000 laser particle size analyzer and its applications

    2000激光粒度分析儀及其應用
  17. So far the researches on ultrashortpulse laser - matter interaction concentrated on infrared regime, yet ultraviolet laser has the advantage in intense field physics and icf researches for its short wavelength and less nonlinear effects

    迄今為止，超短脈沖激光及其與物質相互作用的研究大都集中於紅外光譜范圍，而紫外準分子短脈沖激光系統由於其波長短、非線性效應小而具有良好的聚焦性能。
  18. ( 3 ) ln the fourth chapter of this dissertation, a tunable single - longitudinal - mode erbium doped fiber ring laser is achieved by using the very narrow bandpass characteristics of the self written grating formed in a section of erbium doped flber withoat undergoing pumping by stable standing wave in it. tl1e tunable laser ' s wavelength tuning range is 40nm, from l 523. 79llm to l563. 92nm

    三、在本文第四章，利用駐波干涉和飽和吸收誘發的自寫入光纖光柵的窄帶濾波特性及反射波長自適應特性，研製成可調諧摻鉺光纖環形腔單頻激光器，其波長連續可調諧范圍達40nm （ 1523 . 79nm ?安激大學碩士學位論文摘要1563
  19. Mutagenic effects of ar, fir laser and gamma - ray radiation on rice

    射線與激光復合處理對水稻的誘變效果及其應用
  20. In this paper, we aim at the subject of color microscopic image processing and its applications obtained by the laser confocal scanning microscopy ( lcsm ) and digital microscope

    本文以激光共焦掃描顯微鏡系統（ lcsm ）和數碼顯微鏡為研究對象，對彩色顯微圖像處理及其應用這一課題展開研究和討論的。
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