激光引發 的英文怎麼說

中文拼音 [jīguāngyǐnfā]
激光引發 英文
laser activation
  • 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） ...
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  • 發 : 名詞（頭發） hair
  • 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. 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。
  2. Theoretic study on nuclear fusion induced by multiple explosions of deuterium clusters in strong laser field

    強激光場中氘團簇引發核聚變的復合膨脹機制
  3. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式理論的基礎上，引入某一方向的束寬、發散角、曲率半徑和品質因子等光束傳輸參數來表徵橫向勢能滿足x和y分量相互獨立的原子激光的傳輸。
  4. In this work of part 1, as a main body of this dissertation, multiple experimental methods are applied to investigate the optical properties of gap1 - xnx alloys with the n composition varying from 0. 05 % to 3. 1 %. in part 2, the transient photoluminescence of iii - v semiconductor gainp and algainp alloys are studied

    隨著與氮有關的化合物半導體在短波發光器件（如藍色發光二極體和紫色激光器件等）方面的巨大應用潛力和發展， gapn作為一種新型的含氮-族化合物半導體材料，其光電性質引起了人們的關注。
  5. Secondly, by using the scattering characteristics of rough surface, the relation formula between received power and transmitted power of remote system for a facet is derived. finally, the scattering power for a conductor sphere is computed. 4

    根據有關測量數據，提出了激光引信的發射波束模型，並結合粗糙面散射理論，導出面元散射功率方程，給出導體球的激光近場散射功率結果。
  6. Even today, renewed talk of deploying anti - missile missiles or lasers in orbit rekindles the debate

    甚至在今天，舊事重提的在軌道上部署反導彈導彈或激光也會重新引發辯論。
  7. Excimer laser corneal refractive surgery and wavefront technology have developed rapidly these yeas. now, wavefront - guided laser vision correction becomes the hotspot in corneal refractive surgery. applying the technology of cad / cam, this paper has studied modeling technologies in excimer laser vision correction

    近年來準分子激光角膜屈光手術、眼波前像差的測量技術迅速發展，當前波前像差引導的個體化切削技術成為研究的熱點問題。
  8. It is found that the exciting spectra is moving to long wave with the increasing of eu concentration, emission intensity is rising, the properity of red homochromy is becoming better because of the different quench concentration of emission levels 5do, 5dj and 5d2 - when the concentration of eu is up to 1. 2mol %, the emission levels 5di and 5d2 is quenching

    研究發現，隨著eu濃度的增加，熒光體y2o2s ： eu激發光譜發生紅移，發射強度增大，紅色單色性變好，這是因為eu的5d0和sdl 、 5d2發射能級躍遷發光的淬滅濃度不同，當濃度1 . 2mol時，后兩者因交叉弛豫引起濃度淬滅。
  9. The laser heats up the diamond and causes the temperature rises on the surface of diamond film. at the different temperature, the different physical and chemic change will happen. the rules of the laser ablating diamond were researched by experiment

    從激光加熱和熱傳導的理論出發，研究了激光傳熱及其在金剛石表面引起的溫度分佈情況，以及在不同的溫度和激光功率下，金剛石膜發生的不同的物理和化學變化。
  10. The extension of building which is planned to do in 2004 has to be advanced in this year. for the last two - time building, shiliang beer factory adopts the stainless steel ammonia - cooling fermentation tank made by lehui. the president of shiliang beer factory select the fermentation tank with laser welded dimple jacket at first sight for this time

    原計劃在2004年進行擴建的20萬噸項目不得不提前開始，由於石樑啤酒在前兩次擴建均採用樂惠高品質的不銹鋼氨冷發酵罐，這一次石樑的老總一眼就看重了樂惠公司剛剛去年從德國引進的中國第一臺激光焊機製造的具有世界先進水平的蜂窩夾套發酵罐。
  11. And so here we have thousands of companies, not just computer companies, but cable tv channel companies or textbook publishing companies, or companies that print mail - order catalogues, all trying to use the cd to come up with a way that they can work their application using this new breakthrough

    而且如此這里我們有數以千計公司，不正直的計算機公司，但是有線電視引導公司或教科書出版公司，或公司以致於版郵購目錄，所有的嘗試使用激光唱碟提出正在使用這次新的突破性的發展一個他們能工作他們的申請方法。
  12. The jacket is made via the first and only one laser welder in china imported from german by we lehui group. lehui group invest large quantities of capital to introduce this laser welding system with the most advanced technology of fabricating fermentation tank

    樂惠公司斥巨資引進的激光焊機系統是世界上最好的發酵罐製造技術，目前在歐洲和美國、日本等國家已經有85 %以上的發酵罐採用激光焊接技術。
  13. With time - evolution - operator, it is proved that the population of upper level is in circumstance of cyclic oscillation by laser pulses pair of gaussian line - shape in a homogeneous broadening two - level system. the oscillatory time oxide is the delay time between the laser pulse pairs and the oscillatory frequency equals the one of transition between the lower and upper level

    引入時間演化算符，證明均勻增寬二能級體系在飛秒激光脈沖對作用下上能級激發態布居是周期性變化的，它以飛秒脈沖對之間的延時為時間軸，以該原子能級之間的躍遷頻率為振蕩頻率
  14. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。
  15. The photo - induced phase transition of the different light intensities, photo - energies and directions of the polarized light is investigated. it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films. the relation between the he - ne laser reflectivity of the thin film, applied current and resistance was analyzed by the optics theory of solid state physics

    光子通過激發e _ g向下電子的躍遷，從而改變材料自旋極化方向，影響體系的輸運行為；首次研究了cmr薄膜的激光反射率和偏置電流的關系，並用固體光學理論對其定性分析，表明反射率的變化是由於電場引起材料的晶格畸變，改變了極化率，從而導致材料的折射率和反射率發生改變。
  16. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次，由於一直以來藍光oled器件的研究處于相對落後的狀態，其發光亮度、效率、穩定性和色純度都無法綠光器件相比，所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 ）研究了雙異質型藍光oled器件，由於本研究引入了空穴阻擋層，使得載流子的復合和激子的擴散被限定在發光層內，器件的發光效率達到了1 . 90lm / w ，最大亮度達到了10000cd / m2 ，比傳統結構器件的效率和亮度提高了約一個數量級; 2 ）制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件，研究發現，當改變各有機層厚度時，器件的電致發光光譜發生了從綠光到藍光的移動。
  17. Research also leads to some directions for future in vestigation. in the dissertation the development actuality of correlative tracking technology around the zenith are summarized by the numbers. three solutions are presented, that is, tilt azimuth axis design, three - axis design, program steering

    本文以測星精密光電望遠鏡和地基激光反衛星跟蹤望遠鏡項目為課題背景，在系統的總結國內外過天項目標跟蹤技術發展現狀的基礎上，歸納出三種解決方案：方位軸傾斜方法、增設次俯仰軸方法、程序引導方法。
  18. Intralase uses extremely short pulses of laser to create thousands of small bubbles, all at the same depth inside the cornea. the net effect is a flap cut, but without any of the complications associated with a microkeratome

    Intralase激光利用極短脈沖激光來製造成千上萬的小氣泡，全數在同一深度之內存於角膜中，這樣，其實質效果是切割成瓣，而並沒有使用角膜刨刀所可能引致的並發癥。
  19. We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band

    另外，我們還對薄膜光致發光性質進行了分析和研究，結果表明：納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光， pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小，使薄膜的有效帶隙增寬； zno薄膜的紅色發光，一方面是zno顆粒尺寸的減少，帶間的激子發射峰越來越弱直至猝滅，另一方面主要是與zno晶格中的o空位有關，由深能級復合發光引起紅光發射。
  20. Laser induced fusion source

    激光引發的核聚變源
分享友人
分享到 Line

分享到臉書