focal position 中文意思是什麼

focal position 解釋
焦點位置
  • focal : adj. 1. 【物理學】焦點的，（集中）在點上的，有焦點的。2. 【醫學】病灶的，病灶性的。adv. -ly
  • position : n 1 位置；方位；地點。2 處境，情況；狀態，形勢，局面。3 姿態，姿勢。4 地位，身份；職位；職務。5 ...
  1. Centroid position of focal spot of laser beam with aberration

    畸變光束的焦斑質心位置
  2. Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna

    單波束點聚焦透鏡天線是多波束聚焦透鏡天線的基礎和關鍵，只有充分精確地分析了單波束點聚焦透鏡天線解析度大小和焦斑位置，以及單個波束的偏移產生的相應影響，才能設計多波束聚焦透鏡天線。
  3. The excursion of centroid position of focal spot may be easily acquired with the centroid position expression of focal spot

    利用焦斑質心位置表達式，可分析和確定由於振幅調制和相位畸變導致的質心位置偏移。
  4. The centroid position of the focal spot directly depending on intensity distribution and phase slope distribution of near field is derived, and its physical meaning is described

    進一步推導了焦斑質心位置對光束近場強度分佈和相位斜率分佈的依賴關系式，並對該式清晰的物理意義進行了闡述。
  5. In order to analyze the effect of aberration of amplitude and phase of laser beam on centroid position of focal spot, based on the fraunhofer formula for light wave scaler diffraction theory, according to the definition of first order moment centroid position, the general expression of focal spot centroid position directly depending on the complex amplitude of near field is derived

    摘要為分析振幅和相位發生畸變情況下光束焦斑質心位置所受的影響，以光波標量衍射理論中的夫瑯和費衍射公式為基礎，根據光斑強度分佈一階矩質心位置的定義，推導了直接依賴于光束近場復振幅分佈的焦斑質心位置的一般表達式。
  6. Product characteristic : vmate entire, function table model keyboard ; peleco " d p " agreement, baud rate 4, 800, peleco " p " agreement, baud rate 2400rj - 45 connection ; the three dimensional rocking bar may carry in the accuracy control keyboard to quick ball each kind of speed the pressed key to be allowed to choose the camera the address ; transfer ball machine function menu ; processing pre - placed position ; opens and closes the small aperture ; focal variation and focusing lens ; the start stops automatic and the random scanning function

    三維搖桿可對快球的各種速度進行精確控制鍵盤上的按鍵可以選擇攝像機的地址碼調用球機功能菜單處理預置位打開及關小光圈變焦及聚焦鏡頭啟動停止自動及隨機掃描功能
  7. At local economic development level, position advantage and resources, " in chapter ten points out " agricultural law " that will be implement on march 1 2003 ", at rational overall arrangements, science plan, economize on the principles of ground, have focal point advance small cities and towns of countryside construction "

    2003年3月1日開始實行的《農業法》中第十章指出「根據當地的經濟發展水平、區位優勢和資源條件，按照合理布局、科學規劃、節約用地的原則，有重點地推進農村小城鎮建設」 。
  8. Manufacturing industry walks on the forward position all along in enterprise informationization. how to utilize already existing information resource and make them cooperate effectively and offer expansibility for system integrations between the enterprises at future become key and focal point of new affair integration of the enterprise

    我國製造型企業在企業信息化方面一直走在時代前列，如何有效的利用原有的信息資源並使電子商務與erp能夠協同工作，以及為企業之間的未來系統集成提供良好的擴展性就成為了企業新一輪業務整合的關鍵和重點。
  9. The results show that radius and position of focal beam waist, focal angle and focal depth describe focal beam properties. they are determined by waist and rayleigh length of beam before focusing, the position and focal length of focus mirror

    聚焦光束束腰位置和半徑、聚焦角、焦深、焦點偏移量以及焦點漂移量是描述光束聚焦特性的主要參數，它們由四個參量共同決定，分別為聚焦前光束的束腰半徑、瑞利長度和聚焦鏡的焦距以及聚焦鏡到光束束腰位置的距離。
  10. As the concrete members are vibrated from 12 to 72 hours, the difference of its strength between vibration members and normal ones is not obvious. the interface of post - casting section is both the most dangerous position of the structure and focal point of quality control. in addition, the leaking of cement paste out of the formwork of vibration member is of no permission

    試驗表明振動持續時間從12小時到72小時的變化，對混凝土強度沒有明顯差別；濕接頭的界面是最薄弱部位是施工質量控制的重點，振動構件模板應做到務必不漏漿；當振動幅值較大，必須採取隔振、減振措施。
  11. 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

    發現在焦平面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，這一聚焦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。
  12. At the position of the zeroth order, all wavelengths from each slit add constructively ; this produces the bright white light you see as the zeroth order at the center of the back focal plane of the objective ( figures 3 and 4 )

    在零級位，從柵格標本的各個窄縫中發出的所有波長會產生相加的干涉，在物鏡的后焦面中心會看到明亮的白色像。
  13. When the laser facilities are in operation, the position and direction of all the beams are subject to change due to the optical structural drifts excited by multiple input sources. these changes will influence the precision of the beam propagation and finally the focal spot positions on targets which are strictly dictated by the requirements of plasma physics experiments

    這些激光裝置在運行過程中，光學元件結構在外界激勵因素作用下容易產生漂移，使光束位置和方向發生改變，影響光束打靶定位精度，無法滿足精密物理實驗要求。
  14. The optimum position of focal spot of pumping laser through coupling system is calculated. in the fifth chapter, the optical characteristics of nd : yvo4 and lbo are studied. the astigmatism problem of resonant cavity is explored thoroughly under the condition of thermal lens effect

    第五章分析了nd ： yvo _ 4和lbo晶體的光學特性，深入分析了在引入熱透鏡效應的情況下諧振腔的像散問題，設計了四鏡z型折疊腔，應用abcd定律計算優化選擇了一組腔參數。
  15. ( 3 ) properties of yag laser q - switching by sbs were experimentally investigated, and the laser without back reflective mirror was devised, and laser pulse was obtained at repetition rate ihz and 5hz by optimizing lens focal length, length of cell and position of lens focal. point, resulting quality of pc is ideal

    （ 4 ） 、實驗研究了sbs的yag激光器，設計了無後向反射鏡的sbsyag激光器。在泵浦能量17j 、重復頻率分別為1hz 、 5hz時，得到穩定輸出的能量為19mj 、脈寬為10 . 7ns 、光束質量很好的激光脈沖。
  16. All or different levels ship repair enterprise carry on regulating structure, rearranging resources, strengthening dock construction and transforming ship maintenance equipment one after another, in order to capture favorable position in market competition. the focal points research and bring forth new ideas in the ship maintenance technology and skill

    各級修船企業為了在市場競爭中占據有利地位，紛紛進行結構調整和資源重組，加強船塢建設和修船設備改造，重點進行了船舶維修技術和工藝的研究與創新。
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