beam space 中文意思是什麼

beam space 解釋
梁的間距
  • 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,...
  • space : n 1 空間;太空。2 空隙,空地;場地;(火車輪船飛機中的)座位;餘地;篇幅。3 空白;間隔;距離。4 ...
  1. The two specimens, which are designed as : main beam - pre - stress beam ? floor ? frame columniation assemble the space specimens. in order to checkout whether the code can be applied for the special structure systems, the structure of the specimens refer to the current gb50010 - 2002 concrete structure design code and gb50011 - 2001 seismic resistant code

    本文試件的各組成構件為:非預應力邊梁預應力梁板框架柱組合空間試件,各組成構件的構造參照了現行《 gb50010 - 2002混凝土結構設計規范》及《 gb50011 - 2001抗震規范》的有關規定,以檢驗規范及設計條例能否適用於該特殊結構形式。
  2. Same beam interferometry instrumentation technology of american deep space network

    美國深空網的同波束干涉測量技術
  3. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷,是其響應速度目前只能達到微秒級或亞微秒級,不過,在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面,液晶器件完全可能進入實用化。
  4. Abstract : the paper probed the analysis on the adding mode of perpendicular load in multistorey building structures, the bending moment of frame side beams and the top, the bending moment of secondary beams, the difference between the tie - beam, plane - frame analysis and the space analysis on the path of conduct force, ect. it can be used as a reference when probing these problems

    文摘:討論了在多項高層建築結構分析中垂直荷載加載模式的選擇,框架邊梁和次梁端部的彎矩計算,連梁問題和平面框架分析與空間分析在傳力路徑上的差別以及單片剪力墻平面外彎矩等問題,可供同類結構內力分析時參考
  5. Effects of the space charge forces and the beam halo in an avf cyclotron with intense beam currents

    型?旋加速器中的空間電荷效應和束暈
  6. Space charge wave revision to the electron beam bunching caused by the radiation wave in the klystron

    在速調管中空間電荷波對輻射波引起的電子束群聚的修正
  7. This occurred as they dragged earth with a tractor beam from their own space craft behind another planet so that earth received no sun for 8 years.

    當他們用自己的宇宙飛船從另一個行星後面發射牽引光線,從而拖動地球使其八年未被太陽照射時,這(冰凍就)發生了。
  8. In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector

    瞬態時間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器接收並轉換光信號為電信號,用通用計算機控制採集並處理光譜數據。
  9. We study the propagation of ultrashort chirped pulse beams in free space. the results show that the chirp influenced on the spatial singularity more than the width of the pulse beam

    但是對于啁啾脈沖光束,啁啾導致的脈沖光譜展寬仍然會導致脈沖光束的空間奇異性,脈沖啁啾比脈沖長度對脈沖空間奇異性出現的影響更大。
  10. As the percentage of flexible space structures and the requirement for control accuracy continuousely increase, the control of flexible space structures is increasingly important. focusing on the problem of vibration control of clamped beam, the thesis studied the application of wave absorbing theory to the vibration control

    隨著空間結構中的撓性結構的比重的不斷增加和軌道、姿態控制精度要求的不斷提高,使撓性結構振動控制日益重要,本文針對懸臂梁的彎曲振動控制問題,研究了波吸收器在振動控制中的應用。
  11. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  12. At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb

    首先在傳統的頻域波束形成演算法的基礎上,提出對寬帶信號的頻率補償,也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償,然後對各陣元輸出求和來得到方位估計;其次將連續小波變換引入到空間?頻率處理中,從而完成對目標方位的估計,並進行了相應地補償。
  13. We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s

    此外,在ce : batio _ 3雙光束干涉光折變光柵的暗衰減實驗中,也觀察到了符合雙deep模型的衰減現象,得到光折變空間電場快衰減時間常數714s ,約12分鐘。
  14. The differences on resolution capability and the performance of estimation between beam - space processing and element - space processing are analyzed. transforming matrices are designed for the consideration of depressing the resolution threshold and estimation variance

    分析比較了波束域處理與陣元域處理的分辨能力以及估計性能,並從降低分辨門限和估計方差角度考慮,給出了轉換矩陣的構造方法。
  15. Secondly, by making use of the features of lattice frame anchor structure which can protect slope and retain stability of landslide together with its small space between beams and light anchor, the calculation model and formulas of slope force are dealt with and the design process of lattice beam and pillar as well as anchor and plate are introduced carefully

    利用格構式錨桿框架結構所採用的小間距、小噸位錨桿及連續格構樑柱,從而使格構樑柱受力較均勻,適合鬆散堆積體滑坡治理的需要,即同時滿足深層抗滑和淺層護坡。
  16. Direction of arrival estimation of wide band sources with small array based on beam - space coherent signal - subspace method

    基於波束域相干信號子空間法的寬帶源小尺度基陣定向
  17. We consider the solid electron beam. the hot dispersion relation including the electron beam space charge effect is obtained in this paper, by series of propagating with using of the boundary condition and combining with the field matching method

    考慮實心電子注,分區求出各區慢電磁波的場方程,然後利用邊界條件,用嚴格的場匹配方法,經過一系列的推導得到了考慮空間電荷效應的「熱」色散方程。
  18. The wideband beam - space high - resolution technique is studied

    研究了寬帶信號波束域處理技術。
  19. Broadband source location method is investigated by using signal - phase - matching principle, and simulations and experiments are carried out to show the validity of the method ; two high resolution algorithms of broadband signals are proposed, which are the dft interpolation algorithm and the frequency invariant beam space algorithm. the proposed algorithms have no requirement for prior information of source locations, so the results of doa estimation can be unbiased ; a method of temporal - spatial averaging, which can improve the performance of doa estimation for uniform linear arrays, is given. this method can be applied in the most narrowband or broadband eigen - structure based high resolution algorithms

    提出了利用信號相位匹配法的寬帶信號方位估計方法並從模擬和實驗兩方面對其進行了驗證;提出了基於dft插值的和基於頻率不變響應波束域的兩種寬帶信號高分辨方位估計演算法,這兩種方法在進行方位估計時均不需要進行方位預估,從而避免了因角度預估可能帶來的估計偏差;最後提出了一種提高均勻線列陣方位估計性能的時空平均法,該方法可適用於多數窄帶或寬帶的特徵結構類高分辨方位估計演算法中。
  20. High - speed doa estimation using beam - space srq

    估計方法的研究
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