space velocity 中文意思是什麼

space velocity 解釋
空間速度
  • 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 ...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. Motion - detector of fly ' s compound eyes and determination of velocity of moving image. this paper describes the algorithm of elementary motion - detector and motion - detector arrays, including the characteristic and space conformity

    蠅復眼運動檢測器及圖像運動速度估計研究了初級運動檢測器和運動檢測器陣列的演算法、特徵及空間整合。
  2. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數,在給定兩種球狀星團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀星團系統的初始速度分佈函數(愛丁頓速度分佈函數和常數的速度彌散度)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  3. The body appears to remain suspended in space if it has no initial velocity relative to the elevator.

    如果物體相對于升降機沒有初速度的話,這個物體看起來就好象是一直懸在空中不動。
  4. A space navigator wishes to determine his velocity of approach as he nears the moon.

    一個宇宙飛行員希望確定出他接近月球時的逼近速度。
  5. This dissertation emphasizes on the creation of image space, the author present a display system in which screen moves with a sinusoidal velocity profile to create image space. this paper uses linear approximation to make the system display homogeneous graphic and analyzes worst - case positional error due to linear approximation

    本論文重點分析了顯示單元中成像空間的構造,提出屏幕按正弦曲線運動的方式來構造成像空間,用線性近似的方法得到均勻的圖像,並分析了由於線性近似帶來的最大屏幕位置誤差。
  6. First in an 150 - 550 temperature range, the influence of oxygen concentration, space velocity and propene concentration on the no conversion was investigated and then also the macro kinetics of propene oxidization and no reduction

    本文研究了在pt al _ 2o _ 3催化劑上進行的hc - scr反應,用以稀燃發動機尾氣的治理。首先在150 - 550溫度范圍內考察了氧氣濃度、空速及還原劑濃度對no轉化的影響。
  7. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同時進行了運動學分析,用d - h方法建立了坐標變換矩陣,推算了運動方程的正、逆解;用矢量積法推導了速度雅可比矩陣,並計算了包括腕點在內的一些點的位移和速度;然後藉助坐標變換矩陣進行工作空間分析,作出了實際工作空間的軸剖面。
  8. Effects of weight hour space velocity on the aromatization reaction of fcc gasoline

    空速對催化汽油芳構化的影響
  9. In this article, the shp measure system based on the hardware of pci - 9114 ( daq ) and coordinator u511 is developed in vc + +. this system is good at getting the pressure data in the space mesh and processing it into velocity, total and static pressures and the field picture

    本文通過vc + +開發了數據採集和處理一體化的基於pci - 9114數據採集卡和u511坐標控制器的七孔探針測試系統,該系統能自動採集空間網格點上的壓力數據,然後處理成所需的速度和總靜壓數據,並完成初步的流場繪圖。
  10. Abstract : based on the objectivity of space, time and their measuring, the author gives a ideal experiment of space and time measuring, educe the difference between true time and metrical time ( this difference results from the finity of light speed ), thus proves the relativity between metrical time and true time and the relativity between given reference points, gives the express formulas of relative velocity

    提要:從時空及時空度量的客觀性、絕對性出發,通過具體的空間、時間測量理想實驗,導出測量時刻、時間與客觀時刻、時間的差異(這種差異的根源在於光速傳播的有限性) ,從而說明測量時刻、時間對于客觀物理量及不同參照點的相對性,給出了客觀勻速直線運動的相對速度表達式。
  11. A chirp scaling algorithm for airborne bistatic sar is proposed, which is suitable for the flight configuration that transmitter and receiver follow parallel path with equal velocity in broadside looking mode. airborne bistatic sar echoed signal model of this particular flightpaths is derived. the model is converted into the range doppler space and is mapped from double range variables to single range variable domain

    本文建立了這種特殊飛行模式下雙基地sar的回波信號模型,推導了它在距離多普勒域的表達式,解決了信號模型從雙距離變量域向單距離變量域轉化的問題,並推導了cs因子的線性近似表達式,分析了演算法中各種近似造成的誤差。
  12. Secondly, in order to solve the difficulties on program - making, based on linear acceleration assumption, a group of space - time formulae are derived solving displacement, velocity and acceleration

    為解決因對剛度矩陣二次求逆而帶來的程序設計困難,作者還基於線性加速度假設,得到一組求解位移、速度和加速度的時空有限元遞推格式。
  13. At first, the general theory of synthesis angular acceleration and velocity with linear accelerometers is researched and proved in this paper. on the foundation of analyzing the applied barrier in platform stabilized system of angular locomotion, a new method that changes the installation structure from alterable space into plane, is put forward to solve the problems, so that the application of this theory in moep becomes possible

    本文首先對線加速度合成角速度、角加速度的一般理論進行了研究,從理論上證明這一方法的正確性,為進一步深入研究奠定了理論基礎;在此基礎上,本文分析了角運動合成一般方法在平臺穩定系統中應用存在的困難,在此基礎上提出了一種改進方法;這種方法的特點是變空間結構的安裝方式為平面結構,使角運動合成理論在工程實踐中應用成為可能。
  14. Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume

    推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組,並同時考慮時間因素和空間變位對波面勢函數的影響,在預設的計算精度下,通過時步內的循環迭代逐一確定每個時步上的波面運動位置,從而建立了一種可適于求解強非線性波浪變形計算的數值模式。
  15. Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2

    我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段在空間上的視向速度場,激發溫度場,視向上處于第二能態的氫原子柱密度場以及湍流速度場。
  16. The paper formulates the dynamic analyses of hydraulic operating mechanism in large space, established mathematical model, presents methods of differential equation system, and corrects its parameters concerned in process of solution. after the unloaded characteristics calculation and test under real condition are developed for type lw - 252 breaker equipped with hydraulic operating mechanism, the time - displacement cures and the velocity - displacement cures are obtained

    本文對液壓機構的速度分析,用了大量的篇幅,建立了數學模型,給出了其方程組的求解方法,並對求解過程中所涉及的系數給予修正,在此基礎上對本課題研製的配液壓機構lw - 252斷路器進行了實際條件下的空載特性計算及實驗研究,獲得了斷路器的時間? ?位移曲線和速度? ?位移曲線。
  17. The quantification indexes that token weathered degree are primary velocity, borehole rqd ( rock quality designation ), joint space, joint number and so on, and the unloading ones are primary velocity, joint opening, borehole penetrability and so on. the compartmentalization of different weathered and load - off zones according to quantification indexes tallies with the slope geo - stress computed by finite element method

    其中研究風化分帶的定量指標有縱波速vp 、鉆孔rqd 、結構面間距與條數等,研究卸荷分帶的定量指標有縱波速度、節理開度與鉆孔巖體透水性,據此劃分的不同程度風化、卸荷巖體與有限元計算的壩區河谷應力場具有良好對應性。
  18. The results showed that instability of operation temperature and increase in space velocity and pressure would cause deterioration of the activity stability, resulting in shorter service cycle

    結果表明,操作溫度的不平穩、空速及壓力的提高均會造成催化劑活性穩定性變差,運轉周期縮短。
  19. Strictly - controlled operating temperature, lower space velocity, atmospheric pressure and necessary pre - treatment of the feed oil containing much bnc would help lengthen the service cycle

    在實際生產中,通過嚴格控制溫度變化,採用低空速及常壓,對含堿性氮化物較多的原料進行必要的預處理可以最大限度地延長催化劑運轉周期。
  20. The catalysts exhibited good adaptability to feedstock at high carbon space velocity, with higher conversion, little pressure drop over the bed, good tolerance to steam hydration, poisoning and coke formation, and good regeneratibility

    結果表明,該催化劑對原料的適應性較強,使用空速高,轉化率高,床層阻力降小,抗蒸汽水合氧化能力、抗毒物能力和抗積炭能力較強,催化劑可還原再生,燒炭速率快。
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