射影面 的英文怎麼說

中文拼音 [shèyǐngmiàn]
射影面 英文
projecting plane
  • : 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) ...
  • : Ⅰ名詞1 (物體擋住光線后映出的形象) shadow 2 (鏡中、水面等反映出來的物體形象) reflection; image...
  • : 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...
  1. In aerial survey and photogrammetric services, the office is developing a new series of an orthophoto image covering the region

    在航空測量及攝測量服務方,該處正開發一系列涵蓋本港全境的新正像。
  2. On the stage of describing the shape of airplane and extracting feature, we derive five - coplanar - point invariant from the basic projective invariant - cross ratio, and resolve the problem of stabilization of five - coplanar - point when there is three points are nearly collinear

    在對飛機外型提取特徵進行描述的階段,首先從基本的不變量交比不變量出發,推導出了平五點不量,並解決了當有三點接近共線時不變量不穩定的問題。
  3. 4 ^ included the content of single - picture rectification, image enhance, cutaway view of cavity, all kinds of image revelation through mosaic, and dsm collection of tunnels, many image processing method is studied. 5 ^ the paper introduces the method of photogrammetry geology catalog. all kinds of projective graphs in various layers are received

    不同洞型像的幾何糾正;不同邊坡像的幾何糾正;糾正或鑲嵌像片的像增強;洞室編錄縱/橫剖圖;像鑲嵌分別得到洞室像展示圖、坡像圖、坡像鑲嵌圖;基坑的像對定向及dsm生成; 5 、研究了基於像的地質編錄。
  4. To utilize hydraulic soil evaporimeter and supporting meteorology, radiation, the materials on the surface water evaporation, considering the influence of each factor of " soil - plant - atmosphere " system on soil evaporation, we set up calculating model of the soil evaporation which is suitable for the heilonggang region

    利用水力式土壤蒸發器及其配套的氣象、輻、水蒸發儀器觀測資料,綜合考慮「土壤植物大氣」系統中的各個因素對土壤蒸散的響,建立了適于黑龍港流域的土壤蒸散量計算模型。
  5. We make use of a mapping known as stereographic projection.

    我們作一個稱為球極平的映
  6. Developed from the theory of projective geometry, this paper made a detailed research on the basic theory of the image - based plane measurement technique

    幾何理論出發,論文詳細研究了基於圖像的平測量的基本原理。
  7. At the beginning, the basic theory of plane measurement ? some basic elements in planar projective geometry, including 2d protective plane, homogeneous coordinates and homography are introduced. the pinhole camera model and the basic algorithm of image measurement are discussed

    首先介紹了平測量問題的理論基礎? ?平幾何的一些基本元素:,齊次坐標,平單應等,接著討論了攝象機針孔模型以及基於圖象的平測量基本原理。
  8. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投迭代方法( pim )將三維導體目標的阻抗矩陣剖分成小矩陣,通過迭代計算出表電流和雷達散,並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散特性。
  9. In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target

    在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達散便於目標隱身。激光雷達探測目標是根據目標在激光照下,激光散的強度、偏振和相位等的空間和時間分佈特徵來識別目標,目標表粗糙度是響目標激光散特性的重要響因素。
  10. Given dynamic stress concentration factor around the interface circular lining. some examples and numerical results and illustrated, the influence of wave number, incident wave angle and combination of different medium parameters upon dynamic stress concentration factor are discussed

    針對具體算例給出數據結果討論了不同波數條件、不同入角作用、不同的材料常數組合對界襯砌散波遠場位移模式和散響。
  11. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料,對該種激光器進行了深入的研究,通過對yag棒直徑的合理選取併合理地改進反,從而既保證了光束質量又最大限度的增加了吸收長度,有效的提高了泵浦效率;在不響泵浦的前提下,通過有效縮短yag棒的長度減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使激光器體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的極限值。
  12. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    文摘:系統地揭示了翼形幾何參數對機翼的空間散特性、極化散特性的響規律.研究發現,在垂直極化狀態下用理論尖劈公式計算機翼后緣繞的計算結果與實驗結果相差甚遠.提出在垂直極化狀態下機翼后緣繞的計算必須將后緣厚度考慮在內的見解.對於水平極化,前緣散波峰只與前緣半徑有關;而對於垂直極化,前緣散波峰與翼形最大厚度以及最大厚度位置有關.給出前後緣散波峰的工程估算公式,為低雷達散( rcs )機翼設計提供依據
  13. Linguistic subtlety, innuendo, and irony that other nations find delightful puzzle the americans, who take all statements at face value, weigh them for accuracy, and reject anything they don ' t understand

    其他國家的人覺得那麼有趣的連珠妙語、含沙和冷嘲熱諷,卻令美國人迷惑不解。他們只看表意思,只求精確,拒絕他們不明白的任何話語。
  14. In order to represent the six direction shape of the part, according to the national standards, the principle views are the projective views of basic projective planes, putting the part into the three - dimensional box, which six planes as the basic projective planes

    為了表達機件上下、左右、前後的形狀,制圖標準中規定,以正六體的六個作為基本投,將機件置於正六體內,分別向各個基本投所得的圖形稱為基本視圖。
  15. ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals. the dependence of beam diameter at the crystal output face on applied field is presented. and influences of the limiting space charge field of the crystals on the experimental results are analyzed

    ( 3 )初步研究了兩塊不同摻cr濃度的sbn 61 cr晶體中的屏蔽型空間孤子效應,以及不同外加直流電場作用下光束在晶體中的傳輸,給出了晶體出處光斑直徑隨外電場的變化曲線,並分析了晶體中空間電荷場的飽和效應對實驗結果的響。
  16. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    ( 2 )擴展了2d變換矩陣的求解方法,將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個的對應關系;總結了平上基於點、直線元素可求解的多種3d不變量;提出了雙視圖下由點、直線元素的多種對應關系求解2d變換來構造「虛元素」的方法,結合「實元素」和「虛元素」可以提取更多的空間3d不變量。
  17. And based on these findings, we further study the dependence of nuclear stopping on system size, initial n / z, sp and the medium correction of two - body cross sections. it ' s found that the effect of initial n / z ratio and isospin sp on stopping is weak, and the excitation function of stopping depends on the form of medium correction of two - body cross sections and the equation of state of nuclear matter strongly

    在此基礎上我們研究了核阻止本領對系統大小、初始核n / z 、平均場中對稱勢以及兩體散介質修正等的依賴情況,研究結果表明它受初始核n / z比以及對稱勢的響很弱,而受碰撞截介質修正的同位旋依賴效應及核態方程響明顯。
  18. Expatiate the substance of projective reconstruction is solving fundamental matrix, substance of affine reconstruction is solving infinite homography or infinite plane and substance of metric reconstruction is solving absolute conic images

    闡述了重構的實質是求解基本矩陣,仿重構的實質是求解無窮遠平或無窮遠平單應,歐氏重構的實質是求解絕對二次曲線的像。
  19. In the first part, depending on three or more images, the main research work are listed as follows : ( l ) using svd decomposition to realize projective reconstruction ; ( 2 ) realizing camera self - calibration by solving kruppa ' s equation ; ( s ) recovering euclidean reconstruction from projective reconstruction. depending on only two images, the main researches are : ( l ) making out infinite plane homography matrix by using scene structure information, then recovering affine reconstruction from projective reconstruction ; ( 2 ) making out the absolute conic images by using scene structure information, and then recovering euclidean reconstruction from projective reconstruction

    在第一部分中,針對三幅及三幅以上的圖像,主要研究:利用矩陣奇異值分解( svd )實現重構,通過求解kruppa方程實現攝像機自標定,由重構恢復歐氏重構;針對只有兩幅圖像的情況,主要研究:利用場景結構信息求解無窮遠平的單應矩陣,由重構恢復仿重構,利用場景結構信息求解絕對二次曲線的像(等價于標定攝像機) ,由仿重構恢復歐氏重構。
  20. We systemically discuss how to uniquely decide an infinite plane homography matrix by using the structure information in scene and how to evaluate a homography matrix which convert affine reconstruction to euclidean reconstruction by solving absolute conic images. we give three constraints of absolute conic images and use these constraints to evaluate absolute conic images and then to rec

    系統地討論了如何利用場景中的結構信息,來唯一地確定無窮遠平的單應矩陣,進而由重構恢復仿重構,以及如何通過絕對二次曲線的像求解將仿重構變換為歐氏重構的單應矩陣。
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