射影中心 的英文怎麼說

中文拼音 [shèyǐngzhōngxīn]
射影中心 英文
center of projection
  • 射 : 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） ...
  • 影 : 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...
  1. Radial distances from cp or cl are too short.

    從投影中心或投影中線的輻射距離太短。
  2. The glint suppression using high resolution range profile under conical angle measurement is studied, the angle information in signal components of scatters are extracted and averaged to suppress the glint. nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking

    研究了圓錐掃描測角體制下基於距離高分辨的角閃爍抑制方法，利用距離維高分辨像，提取強散射中心反射信號分量，在此基礎上估計出各個強散射中心的角度測量值，採用平均方法減少角閃爍對測角的影響。
  3. Bez developing rapidly will grow into the production and export base of beijing high new technology products, the radiant source of diffusing high new technologies to traditional industries and enterprises outside bez, the collection and distribution base of high new technology products which will exert it influence in the world, the window of the reforming and opening to the outside world of china, and the testing field of restructuring market economy systems

    該基地是一個以電子信息產業為主導，集科研開發生產經營培訓和服務為一體的綜合性基地。迅速發展的北京市新技術開發試驗區，將成為北京市高新技術產品生產和出口創匯的基地向傳統產業和區外產業擴散的輻射中心在國際上具有影響的高新技術產品集散地中國改革開放的窗口市場經濟體制改革的試驗田。
  4. To find out how the polymerase and importin interact, stephen cusack, head of embl grenoble, and collaborators at the uhci, used the high intensity x - ray source of the european synchrotron radiation facility to generate a high - resolution image of the two proteins interacting with each other

    為了揭示多聚酶和輸入蛋白是如何相互作用的格勒諾布爾歐洲細胞生物學實驗室主任及病毒宿主細胞相互作用部門的合作者斯蒂芬.庫薩克用歐洲同步加速器放射中心的高強度x線放射源產生了這兩種蛋白質相互作用的高解析度影象
  5. Numerical examples, two cavities case, are provided to show the effect of wave number, distance between the centers of the cavities and the ground surface and distance between the centers of the cavities upon the dynamic stress concentration around the cavities edge and ground motion impacted by incident steady sh - wave

    通過具體算例，討論了與界面等距離的相鄰二個圓孔對sh波的散射，給出了數值結果，並討論了波數與圓孔至邊界距離和二圓孔中心距離變化對動應力集中和地面運動的影響。
  6. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    （ 3 ）深入分析了2d對稱性目標透視成像的幾何特點，將共點四線交比用於目標輪廓上的關鍵點的特性描述中；利用調和共軛關系，提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法；利用交比關系構造了目標的形心不變量，提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法；進一步利用3d不變量和2d射影變換，實現了一定條件下的對稱性目標的形狀恢復技術。
  7. The band was previously associated with f - type color centers and v - type color centers, as analyzed in x - ray irradiated ysz sample. however, the absorption band observed in our experiments has a shift towards the longer wavelength ( red shift ) as comparing with that in the x - ray or neutron irradiated ysz spectra. this shift may mainly due to large local distortions near the f - type centers and the v - type centers and the presence of multiple color centers

    本文通過光吸收、光熒光、 tem 、 xps測試及trim96計算分別研究了不同注量xe ~ +注入ysz前後光學性能和缺陷形態變化，以及ni ~ +注入對不同摻雜單晶al _ 2o _ 3結構和光學性能的影響，得到以下結果： （ 1 ） ysz注量達到10 ~ （ 16 ） cm ~ （ - 2 ）時，開始出現由f型和v型色心重疊而產生的吸收帶，與x射線、中子輻照相比，重離子輻照產生了更為復雜的缺陷復合體而導致吸收峰紅移。
  8. Phenomena, such as flow field confusion and slagging etc. have occurred in the practical process of cyclone burner for coal - water slurry ( cws ) firing, on this basis a study on aerodynamic field of cws cyclone burners had been carried out through cold state experiments in the laboratory, then the influence of burner ' s structure properties upon the said flow field had been carried out, and expected to find more reasonable structure of the burner was found. in my study the focus is on the affection of cone and cyclone intensity in the condition of infinite and finite fields

    本文著重研究現有水煤漿旋流燃燒器的旋流葉片角度，一次風擴口的長度以及角度對旋流燃燒器出口流場的影響，通過流場的比較，以期得到性能較好的旋流燃燒器。考慮到水煤漿燃燒器中心的水煤漿射流對于其空氣動力場的影響，本文在實驗室冷態實驗研究的基礎上，模擬水煤漿射流，研究其對燃燒器空氣動力場的影響。
  9. Computed tomography ( ct ) and axial magnetic resonance ( mr ) imaging demonstrated an appendiceal mass with central fluid collection, disproportionate wall thickening and prominent infiltrations in the periappendiceal fat simulating a " gearwheel "

    電腦斷層及軸狀面磁振造影顯示闌尾腫瘤，由於腫瘤中心部份有液體存留，中間有不成比例之厚壁及外圍有放射狀侵潤圍繞闌尾之脂肪，構成類似?齒輪?狀。
  10. Finaly, to reduce the reflected volt of the middle element, namely compensating mutual coupling, we may put metal between the elements in its e - faces because in this place the mutual coupling effects is much more serious

    最後，為了減小陣列中心陣元的反射電壓，在陣元間互耦效應大的e面方向加置一層金屬條塊進行互耦補償，討論了不同掃描角下周圍陣元對中心陣元的影響。
  11. Under wide - aperture, the anisotropy of scattering centers become evidence, in this paper, we propose a new algorithm based on sub - aperture and filtered back - projection algorithm to estimate the anisotropy of scattering centers in wide - aperture imaging

    然後針對散射中心方向特性提取問題，結合子孔徑思想和濾波逆投影演算法提齣子孔徑濾波逆投影演算法，模擬結果驗證了演算法的有效性。
  12. Based on the studies in sea - level rise and response of coastal zone by domestic and foreign researchers, integrated with the essential characteristics of jiangsu coast and the radiate sand ridges, laid emphasis on the effects of sea - level rise on the radiate sand ridges and the tiaozini sands in it ' s center region, the following case were discussed in the paper. ( 1 ) the recent relative sea - level rise in the region of the radiate sand ridges found on the structural and sedimentary features of the radiate sand ridges, the rate of regional land subsidence was calculated ( structural, balanced and compressed subsidence were considered respectively ). the latest assessment of global sea - level rise in the past century that was carried out by ipcc was cited

    本論文在總結國內外對海面上升及其對海岸帶影響的研究基礎上，結合江蘇海岸及輻射沙洲區的基本特徵，以相對海面上升對輻射沙洲及其中心部位的條子泥的影響為重點，討論了以下幾個方面的問題： （ 1 ）輻射沙洲區近期的相對海面變化根據輻射沙洲區的構造和沉積特徵，對區內地面沉降速率進行分項計算（包括構造沉降速率、均衡沉降速率和壓實沉降速率） ，並引用ipcc最近對過去100年來全球絕對海面上升速率的評估。
  13. The sighting device of seeing optical system has two kinds of situations which are the main image and the secondary image, the main image which is the indispensable sign of presenting the target but the secondary image is not useful to the target

    摘要視準式光學系統瞄準具的成像有主像和副像兩種情形，主像是對目標瞄準的必要標志，副像則對目標的瞄準產生不良影響，為消除或減弱光學系統所成的副像對瞄準精度的影響，主要分析了光學系統中中心反射鏡的反射和有無平行差時產生副像的原因。
  14. According to the factor analysis of the sample data that contain 7 indexes of 37 central cities in china, three factors including radiation factor, magnetism, and sustaining development factor are extracted, and their scores and sequence are given

    摘要以我國37個中心城市為樣本，選取了7項反映城市競爭力績效的綜合性指標進行因子分析，得出了影響中心城市競爭力績效的3個關鍵因子：輻射力、吸引力和持續增長能力，並計算出樣本城市相應的各因子及綜合競爭力的得分和排序。
  15. The intensity of distinguishable pl peaks increased with the increasing n content in the films, and the central positions of the above two pl bands were influenced by both the content of o and n. it is suggested that these pl were originated from luminescence centers related to si - o and 0 - si - n defects

    分立峰強度隨薄膜中的氮含量增加而升高，熒光帶中心位置受到氧、氮含量的影響，分析表明其熒光起源於si - o和n - si - o等復合缺陷組態能級間的輻射躍遷。
  16. After analyzing the theory of mtdi and setting up the model of moving target echoes, the dissertation discusses in detail the effect of moving target doppler center frequency and doppler rate on the conventional sar image. it also analyzes detailedly the range migration of moving target from time field and frequency field and provides migration model in both fields. after that, it divides algorithms of mtdi into several classes, analyzes the influence of signal - to - noise on the detection results and gives the flow chart of moving target imaging processing

    本文的主要貢獻包括： 1 、建立了運動目標回波散射模型，深入探討了進行常規sar成像時，動目標的多普勒中心頻率和調頻率對動目標圖像造成的影響；從時域和頻域兩方面詳細分析了由於目標運動造成的距離徙動效應，建立了距離徙動模型；然後研究了動目標檢測原理，並對現有的檢測方法進行分類，使之更加系統化；詳細分析了動目標信噪比對檢測結果的影響，給出了sar系統動目標成像流程圖，指出了動目標成像中的關鍵環節。
  17. With the increase of the amount of al, the intensity of the pl peak at 510nm increases. with the aid of ple we can suggest that pl peak at 370nm and 410nm are related to the oxygen vacancies, and 510nm peak originate from a complex co - function of al, si, and o. el devices have been fabricated on three types of silicon based oxide films ( ge - sio2 films, si - sio2 films, and al - sio2 films )

    用不同的方法制備的51一5102薄膜、 ge一510 :薄膜和al一51一5102薄膜，在較低的電壓萬均觀察到了室溫可見電致發光現象，峰位都在510nm左右，其峰位不因薄膜樣品內所含顆粒的種類、薄膜的制備方法、偏壓及后處理的影響，表明電致發光主要來源於電子和空穴在510 、基質中的發光中心的輻射復合發光。
  18. The lounge and recreation service facilities are well provided, including multi - functional lobby, chinese food restaurant, fast food canteen, western food canteen, interior swimming pool, sauna, cinema, children game room, cards and chess play room, table tennis room, disco hall, interior simulation gulf court, shooting ground and bank etc

    會議娛樂休閑服務設施備，計有多功能會議廳中餐廳快餐廳西餐廳全天候游泳池桑拿中心影劇院兒童游戲機房棋牌室乒乓球室的士高舞廳室內模擬高爾夫球場射擊場及銀行等。
  19. Influence of field size on electron beam central axis dose on a radiotherapy linear accelerator

    電子束照射野面積對中心軸劑量和輸出因子的影響
  20. The results show that linear spatial chirp upsets the balance between diffraction and nonlinearity, leading to radiation and thus destroying the condition for the formation of soliton, although it doesn ’ t affect the central

    結果表明:線性空間啁啾雖然對光束傳輸的中心位置沒有任何影響，但它打破了衍射與非線性效應的平衡，導致光束發散，從而破壞了孤子形成的條件。
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