聚焦平面 的英文怎麼說

中文拼音 [jiāopíngmiàn]
聚焦平面 英文
focal plane
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
  1. 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,將激光束經第二個振鏡反射後到加工的距離為距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。
  2. The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership

    新的立式無載體線團系統」菲波斯」 ( phoebus ) ,以pecvd方法經濟地鍍膜無定形的和微晶硅吸光體,理想地結合各種證明可靠的真空生產臺的優點來精確的于滿足太陽能電池生產者的需求:工藝的穩定性,生產效率,合格產量率,佔地積和擁有運營的總成本
  3. On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout

    本論文根據目前國內外現狀和發展水,針對自動和端跳動測量的關鍵點和難點,在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動及其測量系統,該系統具有速度快、精度高、動態范圍大、體積小等優點,實現了快速、精確、大范圍的自動和對工件端跳動進行非接觸、在線測量的要求。
  4. 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、泵浦光斑位置等參數的選取依據,以此為依據,設計了自透鏡耦合小功率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,根據泵浦光斑端位置對激光輸出功率的影響規律,提出了ld端泵浦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 。
  5. In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb

    上,中空光束的dss越小,光學勢越大,相應的最佳失諧量越大,這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡,而且還可以減少在中空光束中原子的自發輻射和光子散射效應。
  6. The main research work is shown as below : 1. summarize the focal property and aberration correcting ability of vls plane grating

    主要研究內容: 1 、對變柵距光柵的特性和像差校正原理進行了較全的綜述。
  7. Electrons which pass through the thin specimen are brought to a focus in the back focal plane of the objective lens, this lens, like all electromagnetic lenses, acts as a converging lens and thus forms a diffraction pattern in this b. f. plane

    穿越薄樣本的電子被帶到目標透鏡背的一個點,這個透鏡,象所有的電子透鏡一樣,充當了透鏡的作用,因此,構造了在這個背的衍射模式。
  8. The basic model about a novel plane yoke and focusing performances when electron beam is making a large angle deflection are discussed

    摘要討論了新穎的形偏轉線圈的基本結構模式及其在電子束大角度偏轉時所具有的特性。
  9. Due to its wide bandwidth, krf laser beam is ready to be homogenized by a method called induced spatial incoherence ( isi ) to generate uniform illumination on target, which is critical to eos measurements. a long pulse is also preferred to get a " cold " acceleration of flyer in impact experiments

    在激光能量30耳、脈沖長度50ns 、斑直徑300um 、功率密度8 . 5 10 ~ ( 11 ) w cm ~ 2的條件下,考察了激光對飛片的加速效果、飛片的性與激光的性之間的關系。
  10. Sum - of - gradient - magnitude measure is chosen to adapt all images with different enlargement according to analysis of focusing measures ’ character. for 3d bond targets, it is explained that why focusing window should be placed accurately. efficiency of the whole system is ensured by analyzing shift of focal plane when enlargement ratio is changing

    為了保證快速採集到鍵合器件的清晰圖像,通過對調評價函數特徵的分析,選擇能夠適應各個放大倍數顯微圖像的梯度作為系統的自動調評價函數;針對三維器件說明了調窗口正確放置的原則和必要性;分析了變倍過程中聚焦平面位置的變化規律,提高了自動調的效率。
  11. Emphasized on the influence of planar reflector on focusing beams, the model of immersion focusing ultrasonic field based on focusing beams reflected by planar reflector is given. and it has been studied on immersion testing the cylindrical objects with the single focus transducer, which is available for small - diameter pipelines

    分析了反射鏡對聲束的影響,首次建立了超聲聲束經反射鏡反射后的超聲場模型;分析表明,單距探頭經反射鏡反射后可用於小管道的智能檢測。
  12. The interferometric zone plate is the essential of hoes, which is the interference between plane wave and sphere wave, can focus the light beam by diffraction, instead of the way which conventional lens or concave mirrors do

    摘要干涉式波帶板系由波和球波兩道光波干涉而成,為研究全像光學元件的基礎,其可經由繞射作用達到效果,猶如使用傳統凸透鏡或凹鏡所產生的效果。
  13. Now, since the aperture can only be inserted in the one fixed plane it follows that the first image should be formed in this plane and the diffraction lens focused on to it

    現在,由於孔可以僅僅被嵌入所屬的一個指定的,第一成像就應該出現在這個並且衍射透鏡在其上。
  14. Astigmatism is caused by differences in the curvature of the cornea in different meridians, distorts the light rays entering the eye and prevents them from focusing sharply. astigmatism can occur with short - sightedness and long - sightedness

    如果角膜稍有弧度不一,某一弧度較彎,而另一方較扁,光線便不能準確地在視網膜上,這種情況便稱為散光。
  15. Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus

    當時的晶片設計者認為在矽晶圓上加上兩三層金屬有點冒險,會使晶圓表凹凸不,增加光刻過程中的困難。
  16. From the fresnel diffraction equation, we calculated the intensity distribution of the fhb in free space, and found that there is an interested propagation property of the fhb before the focal plane. that is, with the increase of the propagation distance z, the dark spot size ( dss ) of the fhb is first increased, and then decreased, the dss has the maximum value at the position of z = - f / 2

    發現在之前有一個非常有趣的傳播性質,即隨著傳播距離z的增加,這一中空光束的暗斑尺寸( dss )先從另變大然後再變小,最大的暗斑尺寸的位置在z = f / 2處。
  17. Due to the extremely - small dark spot size of the focused hollow beam in the focal plane, it can be used to form an atomic lens with a high resolution

    由於這一中空光束在它的上具有很小的dss ,可以用來原子束以形成原子透鏡。
  18. During the research, we found the loss of auto - port tools is one of the reasons of developing unefficiently. so we focuse on the portability of the embedded system ' s developing platform and realise an auto - porting software

    最後課題于嵌入式開發臺的可移植性問題,實現了源代碼自動移植器的一個原型;在提高嵌入式系統開發過程的自動化方進行了有益的實踐。
  19. Discussions and preliminary experiments are given for some potential applications of left - handed materials. experimental results which are in accordance with expects for the focusing of plane wave using symmetric rings and the focusing of radiate source using rings are obtained. simulation results are also obtained concerning the - like structure based backward radiate antenna and transmission line based left - handed structures

    對稱環結構異向介質凹透鏡的、結構異向介質的點源會等實驗都得到了和預期接近的初步結果;對基於結構全固態異向介質後向波介質天線微波異向介質的實驗研究和基於微帶電路結構單元的異向介質進行了計算機模擬研究,也取得了較好的結果。
  20. Through analysing, he found that on the condition of incidence of the parallel sound wave different reflection regions make effects on energy focus per area in, at the same time he also made a sequence according ti the influencing degree of sound focusing on the different region

    經過分析,發現了在行聲波入射情況下,不同的反射區域內單位積對聲能量的不同作用,同時還做出了不同反射區域對聲的影響嚴重性排序。
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