過聚束 的英文怎麼說

中文拼音 [guòjùshù]
過聚束 英文
overbunching
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  1. Focusing properties of gaussian beams passing through a bifocal lens

    高斯光束通過雙焦透鏡的聚焦特性
  2. When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens, a focused hollow beam ( fhb ) will be generated behind the lens, as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam

    當一束準直的高斯光束通過具有2位相分佈的位相片和一個薄透鏡時，這將導致在入射高斯光束中心的完全和部分相消干涉效應，於是在透鏡后就會形成一束聚焦中空光束（ fhb ） 。
  3. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。
  4. To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design

    為減少打標畸變，採用垂直二維振鏡分佈， f物鏡聚焦，將激光束經第二個振鏡反射後到加工平面的距離為焦距f ，為了避免打標時間過長，溫度過高破壞諧振腔，在設計中加上冷卻系統和自我保護裝置。
  5. At the same time, in order to get adapted to the market change, improve the competitiveness, reinforce the cohesiveness and maintain the upswing trend, cec should take effective measures, such as to accept new idea and develop the managers " awareness of competitiveness ; reform the selecting and appointing mechanism ; establish a sound compensation system ; improve consumption for the position ; break the dominance of state - owned shareholders on the stock market and improve corporate governance structure ; reinforce the financial supervision on the corporation ; make a full use of restraint effect of competitiveness and reputation mechanism ; build various " golden parachutes "

    與此同時， cec在企業經營者激勵與約束方面應採取針對性的措施，通過轉變觀念，樹立市場經濟的競爭意識和產權意識；改革企業經營者的選拔任用方式，積極推進企業經營者管理的市場化進程、建立科學合理的薪酬體系、規范職位消費，實行職位消費貨幣化、調整股權結構，實現投資主體多元化，健全公司法人治理結構、加強企業財務監控和內部制度建設、充分發揮市場競爭機制和聲譽機制對企業經營者的激勵約束作用、設計各種形式的「金色降落傘」等措施的實施，適應市場變化，提高企業核心競爭力，增強企業的凝聚力，保持事業的長盛不衰。
  6. It considers opening up the internal relation of the text as the contents, does the uniqueness and criticism as the precondition, does the emanative thought as the core and does the aggregate thought as the sustainable factor, with such three characteristics : the uniqueness, the volatilization, the restrictive, but for a long time influenced by the traditional teaching thought and cultural mentality, chinese teaching still has such severe malpractice, attaching importance to the commonness, the consult, the interclass, and the impartment, but looking down on the individuality, the process, the extracurricular, and the training

    這種思維方式是以揭示文本中所包含的內在聯系為內容，以獨創性和批判性為前提，以發散思維為核心，以聚合思維為支持性因素而展開的。但是長期以來由於受傳統教學思想、文化心理的影響，語文教學仍然存在重共性、輕個性，重結果、輕過程，重課內、輕課外，重傳授、輕訓練的嚴重弊端，忽視了學生的創新意識的形成、創新能力的培養，束縛了學生人格的發展。
  7. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  8. 3. introduced the principle of phase - match and the optics characters of ktp 、 lbo and other nonliner crystrals, demonstrate the optimal focusing conditions. based on a detailed analysis, ktp and lbo are selected as shg and thg cystal, respectively

    3 .簡單介紹相位匹配原理和非線性晶體的選擇介紹了一些紫外晶體的光學特性，並闡述了光束的最佳聚焦條件，經過分析和綜合評價，選擇了ktp和lbo分別作為倍頻晶體及和頻晶體。
  9. A beam of light ( typically ultraviolet light from a mercury arc lamp ) shines through the chromium mask, then passes through a lens that focuses the image onto a photosensitive coating of organic polymer ( called the photoresist ) on the surface of a silicon wafer

    一束光（通常是汞弧燈發出的紫外光）先穿透鉻光罩，然後通過透鏡把影像聚焦在晶圓表面的有機高分子感光塗料（稱為光阻劑） 。
  10. The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board

    平板蔭罩是彩色顯像管的關鍵部件之一，是一個重要選色元件，其作用是限制電子束直徑和上屏方向，由電子槍發射的電子束在偏轉磁場的作用下進行掃描，掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚，並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上，發出三種基色（紅，綠，藍） ，而無用的電子則被蔭罩板截獲。
  11. By a method for comparing, the conversion efficiency formula of the gaussian wave for second - harmonic generation ( cefgshg ) in general circumstances, which toke accounts of walk - off effect and self - focus effect together, was attained

    通過類比的方法給出了一般情況下，同時考慮走離效應和自聚焦效應時的高斯光束倍頻轉換效率公式。
  12. We call the new quantum phenomenon that ca n ' t be explained by classical theory non - classical feature of cavity field. it has been proved by experiment, that quantum states of cavity field can exhibit three non - classical features, i. e. photon antibunching effect, sub - poissonian statistics distribution, and squeezed states

    在光場與原子相互作用的過程中會出現某些不能為經典理論所解釋的新的量子現象，人們統稱這些現象為光場的非經典效應，目前實驗上所觀測到的非經典現象有光子的反聚束效應、亞泊松分佈和光場的壓縮效應。
  13. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    ）的增大，量子噪聲分別減小和增大；虛光子過程使光場的反聚束效應增強，使光場的壓縮程度明顯加深，並引起了附加的「熵振蕩」 ，這種附加「熵振蕩」的幅度將隨著光場初始平均光子數（ ? ）的增加而增大，隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質，研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  14. Then the c - band simple milo is simulated systematically. the physics of electron bunching and microwave field growing is investigated in detail

    然後，對c波段milo模型進行了數值模擬，研究了其中電子聚束和微波產生的物理過程。
  15. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸，測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強，實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小，且分佈近似貝塞爾分佈，符合無衍射光束的特性;經過聚焦后，呈現三維分佈中空的光束bottlebeam ，實驗結果與理論分析基本吻合。
  16. Through simulation, validate the efficiency of the polar format algorithm, in case of bastatic spotlight - model sar

    最後通過模擬實驗，驗證了雙站聚束sar極坐標演算法成像的有效性。
  17. 3. the paper gave the lens image formula for gassian beams

    給出了高斯光束經過聚焦透鏡的成象公式。
  18. Based on analyse of parameters which used to evaluate laser beam quality at present and according to the main properties which influence on laser manufacturing, beam focus characteristics parameter is put forward as the stander parameter to evaluate beam quality, because the foundmental advantage of laser beam applied in industral field is that laser beam can achieve high energy intensity through focusing

    論文在總結目前存在的評價激光光束質量參數的基礎上，根據對影響激光製造的主要光束特性參數的分析，以光束空間特性為核心，提出用光束聚焦特徵參數值作為評價激光光束質量的參數。因為激光作為能源能夠在工業領域廣泛應用的根本優勢就在於它可以通過聚焦獲得極高的能量密度，而值恰恰表徵了實際光束的可聚焦能力。
  19. Meanwhile it is shown that squeezing of field and photon antibunching can be greatly enhanced via selective atomic measurements

    同時發現通過對原子的選擇性測量，場的壓縮特性和光子的反聚束效應會增強。
  20. Chapter three thoroughly analyzes the imaging principle of frequency scaling algorithm, and deduces some crucial results

    第三章詳細分析了聚束sar頻率scaling演算法成像原理，對成像過程中重要的結果進行了推導。
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