極光散射 的英文怎麼說

中文拼音 [jíguāngsǎnshè]
極光散射 英文
auroral scatter
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 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） ...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 極光 : [地球物理] aurora; aurora polaris ; [天文學] polar light
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  3. The optical - limit glauber theory has been of great success in describing the stable nucleus scattering at high energies. as it is extended to the nucleus scattering at low and intermediate energies, the modification of the coulomb field to the effective impact parameter and the diffuseness of the nucleon - nucleon ( n - n ) scattering in the forward direction has to be taken into account

    其中光學極限近似的glauber模型能很好地描述高能小角度的穩定核散射，進一步推廣應用於研究中低能穩定核散射時，需要考慮庫侖相互作用對有效碰撞參數的修正和核子?核子兩體散射在朝前方向的彌散。
  4. Based on the structure and emission characteristic of the diode bar, a numerical calculation. model of the thermal dissipation was proposed and a related simulation of the effects of heatsinks parameters on the performance of the packaged laser was carried out

    根據二極體條結構及輻射特性，建立了散熱過程數值計算模型，數值模擬研究了熱沉參數對封裝激光器性能的影響。
  5. It ’ s very important to establish the obscuration ’ s model and analyze its influence to the laser propagation

    因此建立散射點的模型，分析散射點對光傳輸的影響對于建設高功率固體激光裝置具有非常積極的意義。
  6. Detector : the most commonly used detector is ultraviolet absorption detector ; other universal detectors are photodiode array detector ( dad ), fluorescence detector, refractive index detector, evaporative light - scattering detector, electrochemical detector and mass spectrometry detector etc

    檢測器最常用的檢測器為紫外吸收檢測器，其他常見的檢測器有二極體陣列檢測器（ dad ） 、熒光檢測器、示差折光檢測器、蒸發光散射檢測器、電化學檢測器和質譜檢測器等。
  7. Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test

    紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器，其響應值不僅與待測物的質量有關，還與化合物的結構有關；示差折光檢測器和蒸發光散射檢測器為通用型檢測器，對所有的化合物結構均有響應；蒸發光散射檢測器屬質量型檢測器，對結構類似的化合物，其響應值幾乎僅與待測物的質量有關；二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜，故可用於待測物的光譜管制和色譜峰純度的檢查。
  8. The precise measurement data can be useful for antenna design and slot coupling studding. this paper gives it ’ s deduction through reciprocity principle and the structure of the optically modulated scatterer system. an applied optically modulated scatterer system is designed and photodiodes are used as modulation module

    本文給出以互易原理為基礎的光調制散射器測量法的理論推導，並用光電二極體光導開關作為散射器中間部分的光調制單元，設計出了實用的光調制散射器微波測量硬軟體系統。
  9. The principle advantages of vcsels over conventional edge - emitting lasers lie in ultralow threshold current, small far - field divergent angle, high modulation frequency, potential for wafer level testing and the ease for single longitudinal mode operation and two - dimension integration. as a result they show considerable promise for applications such as optical fiber communication, parallel optical interconnects, optical information processing and neural networks, etc. a direct coupling theoretical model in quasi - three - dimension for the gain - wave guide vertical - cavity surface - emitting lasers has been created in this paper

    它與傳統的邊發射激光器相比具有更優越的特性，例如，具有極低的閾值、較小的遠場發散角、調制頻率高、易實現單縱模工作和二維集成，無須解理封裝即可進行在片測試等，所以，它被廣泛應用於光纖通訊、并行光互聯、光信息處理、光神經網路等領域。
  10. A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed

    本論文研究了一種質子交換linbo3溝道波導共線式聲光偏轉器，其特點是利用了溝道波導的橫向約束，限制了聲波的發散和衍射效應，使得窄孔徑電極結構得以實現，從而增加了功率密度，使總的聲場驅動功率降低。
  11. Quantum coherence and interference have led to the observation of many new effects and new techniques in quantum optics and atomic physics. examples include coherent population trapping, electrom agnetically induced transparency, lasing without inversion, and enhancement of the index of refraction without absorption

    當應用相干場來驅動光學介質時，可以使得介質的吸收和色散關系發生極大改變，產生許多新的效應，如相干布居捕獲、電磁誘導透明、無反轉激光、無吸收折射率增強等。
  12. In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained

    首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析，在對比了龍格庫塔法和傳輸矩陣法這二種常用的分析方法的基礎上，選擇傳輸矩陣法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反射譜譜寬、反射率極值、時延、色散等特性的相互關系及影響。
  13. According to big bang theory, the early universe is a hot, dense and opaque fluid of electrons and protons. this hot plasma constantly emits, scatters and reabsorbs photons and is the source of the cosmic background radiation

    根據大爆炸理論，早期的宇宙主要由電子和質子組成，是一團高密度極端熾熱不透光的等離子體，它不斷放射散射和吸收光子，是宇宙背景輻射的源頭。
  14. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。
  15. The tuning curve of type - i phase matching of bbo opo are measured with accuracy ; the maximum conversation in total of the system is about 31 % at 615. 6 nm, and it is fitted well with the gtp formula ; in the end we compared the output linewidth and unstable cavity far field beam qua lity of the bbo opo under the condition of type - i phase matching and type - ii phase matching, it is proved that we can obtain the parametric output of linewidth less than 0. 3 nm and the beam divergence angle approaching diffraction limits by take the advantages of type - ii phase matching and unstable cavity designs

    測量了該系統的轉換效率最大為31 ，並能與理論公式極好地吻合，最後比較了在類相位匹配條件下和類相位匹配條件下的bbo - opo的輸出線寬，以及非穩腔的遠場光束質量，實驗結果表明，利用類相位匹配以及非摘要穩腔設計可以獲得線寬小於0 3nlm 、光束發散角接近衍射極限的參量光輸出。
  16. Yet the detection was performed in the atmosphere, and it was an extremely complicated medium composed of many kinds of components, when laser beam penetrates such medium, severe scattering and absorbing will be exerted on the proper beam by the atmosphere molecules or aerosol etc. further more, different extents of absorbing will be exerted on the different laser beam by different qualitative particles

    但由於目標探測是在大氣中進行的，而大氣是一個極為復雜的介質，激光通過大氣時，空氣分子以及大氣中的氣溶膠粒子就會對激光產生嚴重的散射和吸收。而且不同性質的粒子對不同波長的激光會產生不同程度的吸收。
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