object beam 中文意思是什麼

object beam 解釋
物光束
  • object : n 1 物,物體,物件。2 目標 (of; for); 目的,宗旨。3 【哲學】對象,客體,客觀 (opp subject); ...
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  1. This paper analyses emphatically the position error and manufacture error of critical - angle prism the position error and aberration of object lens the position error and manufacture error of the polarization beam splitter the position error of the detector, and come out their relations

    著重分析了臨界角棱鏡位置誤差與製造誤差;物鏡的位置誤差與像差;偏振分束棱鏡的位置誤差與製造誤差;探測器的位置誤差等對離焦誤差信號的影響,並給出了理論曲線。
  2. The method can simulate light scattering behavior on the condition of single layer and multiple layers, and preferably deals with reflection and transmission between layers, with a good agreement with literature results. 3. laser beam scattering by an object in near field is studied

    該演算法可用於模擬計算單層和多層塗層,平行平面結構和粗糙表面情況下的光散射行為,較好地處理多層塗層結構中各層間的反射和透射,模擬結果與文獻結果吻合的很好。
  3. A simulative algorithm of laser beam scattering by an object in near field is given. based on the algorithm, a simulative software is worked. and by using geometrical modeling and hiding, the received power of remote system for f16 airplane, as an example, is computed

    4 、提出激光引信目標近場散射特性模擬演算法,編制了模擬軟體,並以f16飛機為例,通過幾何建模和消隱處理,計算了目標不同姿態、不同脫靶量和不同脫靶方位角時,彈目交會過程激光引信接收系統的接收功率。
  4. Acoustic intensity detection can efficiently estimate objective direction, and frequence partition, beam revolving and vector equations can differentiate multi - object

    聲強檢測可以有效地進行目標方位估計,利用頻帶劃分、旋轉波束、矢量方程組可以在一定程度上有效地解決多目標干擾的問題。
  5. A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target

    本文的主要工作是針對彈道靶尾跡微波干涉儀里的點聚焦單波束捕捉目標的有效性能不足,而考慮設計一個具有點聚焦特點的多波束聚焦透鏡天線,以增大捕捉范圍和提高中靶率。
  6. This dissertation is focused on the study of adaptive digital beam forming ( dbf ), two - dim spectrum estimation and the determination of the highness of the object. main work include : 1 a method of adaptive dbf in received antenna array

    本文圍繞著自適應接收波束形成、時-空二維譜估計和對目標高度判定等方面進行研究,主要研究工作包括以下幾個方面: 1討論了在接收陣列天線中,自適應數字波束形成( dbf )的方法,引入了采樣梯度矩陣演算法。
  7. With compensation of signal ’ s time delay from different radiating element by phase shifters, phased - array antenna can control array beam easily. because there are no mechanical devices for rotating beam, the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters. it improves the tracking velocity of antenna towards the object, and becomes the development trends of weapon system antennas

    相控陣天線利用移相器補償信號到達輻射單元時間的差異,從而控制波束方向;天線沒有機械旋轉問題,只需改變移相器的設定值,波束便可以在毫秒級內掃描其覆蓋空域內的任何地方,提高了天線對目標的跟蹤速度,是目前武器系統天線的發展方向。
  8. The research object in this text is the actual project - - the mansion of yatingyuan ( 40 layers above the ground, 125. 4 meter high ). the structure - design is by satwe and the analysis of the structure dynamic characteristic and earthquake response by sap2000, whose calculation models are set up according to the actual size of the structure. in satwe, the analysis model of beam and column is simulated by frame - element, slab is plane - element, shear - wall is wall - element and slab is infinitely rigid in the internal and zero in the external ; in sap2000, beam and column is frame - element, slab and shear - wall is shell - element and slab is elastic floor

    本文以實際工程項目? ?雅庭園商業中心大廈(地面以上40層,建築總高度為125 . 4米)為研究對象,結構設計採用satwe ,結構的動力特性和地震反應分析採用sap2000 。結構satwe和sap2000分析的計算模型均按結構的實際尺寸建立, satwe分析模型的樑柱採用桿元模擬,樓板用薄壁殼元模擬和剪力墻用墻元模擬,樓板平面內無限剛、平面外剛度為零; sap2000分析模型的樑柱採用桿元模擬,樓板和剪力墻用殼元模擬,樓板為彈性板。
  9. Imaging formula and object - image scale formula of laser beam transferred by focus lens are deduced according to the abcd law of matrix optics, and the factors that effect on beam focus properties are analyzed based on these two formulas

    根據矩陣光學變換的abcd定律,推導出激光束經過單聚焦鏡變換后的成像公式和物像比例公式,並在此基礎上討論光束質量和聚焦系統特性對光束聚焦性能的影響。
  10. Ccd ), light signals from the object is covered by relay scattering when laser beam penetrates through the atmosphere. so the technique of range gate has been used in such system

    當激光通過大氣時,瑞利散射將使得ccd器件接收到的目標回波信號淹沒在噪聲信號之中,因此系統中採用了距離選通技術。
  11. The experiment results show that there are optimal defocus distance and exposure for the given system and recording material, and to obtain the best snr different reference - to - object beam ratios are also needed for black - white digital images of different space frequencies

    實驗結果表明,對于給定的系統及記錄介質存在一定的最佳離焦量和曝光量,而對于不同空間頻率的黑白二值條紋圖像還需要採用不同參?物光比以最終獲得最佳的信噪比。
  12. Also the modeling of the super - length tall buildings is provided. the whole structure of super - length tall buildings is chosen as an object of study, and a worldwide used large - scale structural analyzing program named super sap93 is also chosen to decentralize the structure into elements. the beams and columns of the structure are modeled as dimensional beam components, and the floor slabs and sheer walls are modeled as dimensional slab components

    本文以超長高層建築整體結構為研究對象,採用國際通用的大型結構分析程序supersap93對超長高層建築結構進行有限元離散,結構的梁和柱採用空間梁單元模型,樓板和剪力墻以及筒體結構採用空間板單元模型,建立實用的超長高層建築結構整體結構分析模型。
  13. The reference beam comes from the object wave itself and image of the object is formed by a lens on the plane of the holographic plate, therefore the hologram is named self reference image hologram

    用透鏡將物體的像成在記錄干板平面附近,參考光來自物光本身,因此稱之為自參考像全息圖。
  14. This thesis fetches cold - formed thin - walled c steel beam - to - column connections with self - drilling screw connecting for being researched object in cold - formed thin - walled light steel structure system, have done the following three parts of research work to the performance of beam - to - column connection : ( 1 ) the resisting shear strength experiments of 20 pieces of jointing connected by self - drilling screws

    本文取冷彎薄壁輕鋼龍骨住宅鋼結構中用自攻螺釘連接的c型鋼樑柱節點為研究對象,對節點的連接性能作了如下三部分研究工作: ( 1 ) 20個自攻螺釘連接試件的抗剪承載力試驗。
  15. In order to investigate the phenomenon that holograms tend to be deteriorated on baing recorded in photopolymers with shrinkage, a fourier hologram is taken with slant gratings formed by the reference beam and object beams of different space - frequency

    摘要為了分析光致聚合材料記錄的譜面全息圖在再現過程中發生「擦除」現象,將譜面全息圖看作由不同角譜的物光與參考光在光致聚合材料內形成的不同傾斜角度的光柵總和。
  16. The present paper based on the mechanism of the vibration ' s production and transmission, simplifying the track system as elastic foundation beam model, and using a moving load which act on the beam to simulate the train, regarding four sorts of track system as research object, to evaluate the model of the vibration propagating of the track system under the moving load

    本文基於振動產生及傳播的機理,將軌道系統簡化為彈性地基梁模型,將運行的列車模擬成一個作用在樑上的移動荷載,以新干線、 tgv 、在來線以及國內的武漢輕軌等四種軌道系統為研究對象,對移動荷載作用下軌道系統的振動傳播模型進行了評價。
  17. In order to eliminate the beam - hardening artifacts, most current correction algorithms have to assume that the x - ray beam spectra are known and the mass attenuation coefficients of the detected object related to different energy are given

    目前的多數射束硬化校正演算法需假設已知ct系統的x射線能譜,並已知構成被測物體的物質關于不同能量的光子的質量衰減系數。
  18. During adjusting beam paths, the co - beam, a combination of the measuring beam and the reference beam, is not restricted to being perpendicu lar to the light sensitive surface of the object, but keeping the measuring beam and the reference beam co - axial proved to be crucial

    在光路調整中,它對測量光與參考光的合光光束是否垂直於探測器光敏面要求不高,但對兩光束合光同軸度則有嚴格要求。
  19. The simulation data of the flexible projecting beam with different crack flaw is different. so we can build bp neutral - work to identify the position and the length of the crack in the flexible projecting beam by the simulation data. the input vector of bp neutral - work is the simulation data becomes, the training object is the position and the length of the mapping crack

    Bp神經網路是一種多層的前饋型人工神經網路,可實現從輸入到輸出的任意非線性映射,所以選取bp神經網路可以有效地實現從觀測信號到裂縫所處位置以及裂縫長度的非先行映射,以達到對柔性懸臂樑上裂縫缺陷的智能診斷。
  20. Rock anchor beam is selected as the studied object, the parameter of blasting and its parameter selection are studied in the paper

    本文以水電站地下廠房巖錨梁爆破開挖為研究對象,重點研究了影響爆破效果的參數及其選擇。
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