aperture surface 中文意思是什麼

aperture surface 解釋
孔經表面
  • aperture : n. 1. 孔，隙縫。2. （照相機的）光圈；孔徑，口徑。
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  1. Every phased - array rader needs thousands of phase shifters, which control the phase of radiator elements in the antenna aperture surface to scan beams fast

    每部相控陣雷達需要上千個移相器，才能控制天線孔徑面上各輻射單元的相位變化進而實現快速掃描。
  2. Phase array radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction. therefore, phase array radar is fit for the necessity of combat readiness

    這種雷達通過電的方式控制天線孔徑面上各輻射單元的相位變化，以實現波束的快速掃描，使其具有靈活、變化快速、多功能等優點，適應戰備需要。
  3. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  4. Its fundamental is that the ray emitted from a focus ( front ) of elliptical will flock together on the other focus ( back ) by the reflection on the elliptical surface. we set a scatter aperture on the back focus

    橢圓柱面的前焦線上是射線源，晶體固定在一個橢圓基底上，其表面構成一橢圓柱面， x射線經晶體衍射后會聚於後焦線上。
  5. The relative aperture 1 : 2 is the limitation of the manufacturing and testing of aspherical surface by using traditional method

    相對孔徑1 ： 2已是傳統非球面加工和檢驗的極限。
  6. The unfocused aspherical surface system is one of the main structure of large emiting system. in the system, the more large the relative aperture of primary mirror, the more small the focal length and the tube of system, and the more light the weigth

    這個系統中的主反射鏡的相對孔徑越大，其焦距就越短，相應地系統筒長就越短，重量就越輕，這樣就越能滿足車載或機載系統的實戰要求。
  7. This paper is a part of the project : research of manufacturing technology for unfocused aspherical surface system of large relative aperture, sponsored by national high technology 863 - 802. the purpose of this paper is deeply research the testing methods of primary and second mirror for unfocused aspherical surface, and to present the testing methods of primary mirror of the large relative aperture and transmission and reflected second mirror. the beam path diagrams and the relative design results are given in this paper

    本文是國家高技術項目863 - 802的子課題「大相對孔徑無焦非球面系統製造技術研究」的一部分，其目的是對大相對孔徑無焦非球面系統的主鏡和次鏡檢驗方法進行深入研究，提出大相對孔徑主鏡和透射式及反射式次鏡檢驗方法，並給出檢驗方案和相關的設計結果。
  8. The results indicated that ( 1 ) " longxianhuosuan " presented more regular and more densely - arranged epidermal cells in its scapes than " gailiangsuan " ; ( 2 ) " longxianhuosuan " showed a lower stomata number but a larger stomatal aperture in its scape surface than " gailiangsuan " ; its scapes had a great number of secretory cells, which had a larger size and appeared earlier ; its scapes presented a smaller number of vascular bundles with smaller diameters ( 3 ) " longxianhuosuan " had polygonal cells in its scape pith with their intercellular space occupying a small proportion while " gailiangsuan " showed elliptical cells in its scape pith with their intercellular space occupying a high proportion

    結果表明： （ 1 ） 「隴縣火蒜」比「改良蒜」蒜薹的表皮細胞形狀規則，排列緻密；角質層較薄； （ 2 ） 「隴縣火蒜」比「改良蒜」蒜薹表面的氣孔數量少，但開張度大；分泌細胞出現早、體積大、數量多；維管束數量少、直徑小； （ 3 ） 「隴縣火蒜」蒜薹髓細胞衛多邊形，髓細胞間隙率小，而「改良蒜」蒜薹的髓細胞呈橢圓形，髓細胞間隙率大。
  9. The aperture terminal surface has such marks as telephone of our company, etc., so that users discern the true and false

    小孔端面有我公司電話等標記，以便用戶識別真偽。
  10. Ultra windband synthetic aperture radar ( uwb - sar ) has a broad applications because it can produce fine images of concealed targets with the capabilty of penetrating the foliage and the surface of the earth. lt has been an important sign for acquiring high - resolution images of uwb - sar for real time processing, and the efficient imaging algorithm is the pivotal and the fundation

    超寬帶合成孔徑雷達（ uwb - sar ）能夠穿透葉簇和地表實現對隱蔽目標的精細成像，有著廣泛的應用前景，高解析度uwb - sar圖像的實時獲取已成為成像雷達發展的一個重要標志，而高效成像演算法又是它的關鍵和基礎。
  11. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  12. The surface roughness of the fabricated micro - optics structure is in the nanometer range ; the feature height of the diffractive phase step is in the sub - micrometer range ; and can be adjusted according to requirements ; and the optical aperture of the microlens can be changed from millimeter to centimeter magnitude

    所制微光學結構的表面粗糙度在納米量級，衍射相位臺階的高度在亞微米量級並可以根據需求靈活調整，通光孔徑在毫米至厘米量級的范圍內可調。
  13. When jointing the board, we should try to joint the dressed timber without glue to confirm the aperture be close, then spread the glue which is mixed up by the gelatinizing machine, to the jointing surface evenly and put the timber on jointing machine and clamp to pressurize and joint

    在拼板時先將刨光的木料進行無膠試拼，待確定縫隙緊密后，用塗膠機將調好的膠水均勻地塗在木料的拼合面上，最後放在專業的拼板機和夾具中進行加壓拼合。
  14. Ecological characteristics of pogonatherum paniceum ( lam. ) hack. indicated that the transpiration was reduced by its small leaf area, and inner rock water can also be up taken because of its strong roots system. therefore, it could grow on rock surface and rock aperture

    金發草生態特徵分析表明，其葉片面積較小，減少了葉的蒸騰，降低水分的散失；根系發達、根厚而平展，可在巖石表面或巖石縫隙生長，根系可吸收巖石表層和縫隙中的水分，對乾旱具有較強適應能力。
  15. When the pumping area cannot approach the disk had aperture, the concentrated tensile stress appears near the edge of disk hard aperture, while the disk is pumped full aperture the surface exhibits compressive stress, and center is tensile stress which is lesser

    當抽運光斑未充滿激光介質時，介質的表面靠近邊緣處會出現大的拉應力集中，並且介質中最大拉應力和表面的最大軸向位移隨抽運光斑尺寸縮小面增大；而當抽運光充滿介質時，表面是壓應力，較小的拉應力存在於介質內部。
  16. Shibin wu ( optical engineering ) directed by yapei yang ， jiahu yuan manufacturing technologies for large - aperture lightweight mirror are one of the development directions in advanced optical manufacturing technologies. the lightweight mirror has the incomparable advantages than that of the solid mirror. the lightweight mirror has overcome the mirror surface deformation caused by selfweight of the solid mirror, reduces or eliminates the deformation of thermal expansion in solid mirror surface induced by environmental temperature variations and temperature gradient appeared on mirror body. mechanical weight - reduction is one of the three lightening technologies for large - aperture mirror. the technology has the advantages of simple process, small technical difficulty, common equipment conditions and wide material selection range. the technology has been extensively investigated and applied in the technical field of optical engineering at home and abroad

    它克服了實心反射鏡因自重而引起的鏡面變形，降低或消除了實心反射鏡因環境溫度變化及鏡體溫採用機械鉆銑輕量化技術的輕型鏡研製度梯度的出現而產生的鏡面熱膨脹變形。機械減重輕量化技術是大口徑反射鏡輕量化技術的三種方法之一。它具有工藝簡單、技術難度較小、設備條件要求不高和選材范圍廣泛等優點，在國內外光學工程技術領域得到了廣泛的研究和應用。
  17. First, the method of aperture integration - surface integration, which is based on physical optics theory, is used to study the radiating property of the 3 - d radome - enclosed antennas. secondly, the moment method is employed to analyze the electromagnetic radiation from radome - enclosed antennas with axi - symmetric revolving radome

    然後應用矩量法針對具有回轉體結構天線罩的帶罩天線輻射進行分析，分析過程中利用回轉體特點，採用適當的基函數將三維問題轉化成二維問題解決，以降低計算量提高計算效率。
  18. The quantitative expression for speckle correlation function is formulated, in which the scattered intensity profile reciprocated on the surface plane acts as the aperture function in van cittert - zernike theorem

    我們首先得出了散斑相關函數的定量表達式，該式表明散斑相關函數實際上是在vancittert - zernike定理中等效地將散射輪廓函數反演到散射體平面內作為散射孔徑函數的結果。
  19. 3. a ~ vaveguide h - t coupler with a large aperture and an inductive post is analyzed where the magnetic current distribution is assumed on the aperture and the current on the surface of the post

    將窗口等效為等效磁流源，而把匹配圓棒等效為電流源來處理，分析計算了這種耦合器的耦合特性。
  20. In this part we start form the magnetic field integral equations ( mfie ) and then establish the matrix equations for the unknown magnetic currents on the surface of slot aperture. to solve this problem, piece - wise sinusoidal basis and galerkin ' s method are used

    首先，利用理想縫隙假設建立關于縫隙內外口面磁流密度的磁場積分方程，然後採用分段正弦基galerkin方法將積分方程離散為關于展開系數的矩陣方程。
分享友人
分享到 Line

分享到臉書