正位移 的英文怎麼說

中文拼音 [zhēngwèi]
正位移 英文
positive displacement
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  1. The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer.

    電流的機理只對反向偏壓或要維持空間電荷層所需要的非常弱的向偏壓條件下的電容器才有用。
  2. The debonair 74 - year - old turns over power wednesday to tough - talking fellow conservative nicolas sarkozy, who won election on pledges of a break with the past

    74歲、溫文爾雅的法國總統昨天向新當選的總統尼古拉斯?薩科奇交了政權。同為保守人士的薩科奇作風果敢,憑著重振法國的競選宣言贏得了大選。
  3. The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave

    實驗選取了不同電壓幅值,不同頻率的方波、三角波、弦波三種波形作為電激勵信號,利用高速攝像記錄ipmc的變形,並通過力傳感器實測了ipmc試樣末端的輸出力。
  4. Ocean tide displacement corrections in high precision geodesy

    高精度大地測量中的海潮
  5. It has found that section dimension deviations yield with normal distribution ; axis line deviations yield with lognormal distribution

    通過調查分析認為;混凝土截面尺寸偏差服從態分佈,軸線偏差服從對數態分佈。
  6. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相空間中給出了和內力的表達式。再利用laplace逆變換,得到交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。
  7. The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former

    結果表明:垂直入射時,小深寬比軟夾塞上方地表幅值有較大的放大,小深厚比軟夾層的地表幅值也有一定的放大,且後者為前者的下限;波接近掠入射時,軟夾塞上方地表點和軟夾層的中國地震局工程力學研究所碩士學論文一地表幅值都沒有放大,而軟夾塞迎波面一側地表點的幅值會有一定的放大;軟夾塞上方的地表運動有較強烈的扭轉效應,且此扭轉效應隨入射波頻率的增高而增強。
  8. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究,為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修的線性連續控制策略,基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。
  9. 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、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。
  10. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛原理和更新的拉格朗日方法,導出了大彈塑性梁單元剛度矩陣的顯式表達式,在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各自的二階效應會相互抵消,因此忽略其中的任何一項都可能導致不確的結果。
  11. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工點路塹土質邊坡的各類變形的監測成果驗證了該程序的確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限平衡理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。
  12. It is found that flat and wideband sc ca n ' t be obtained in common dispersion - shifted fiber, and dispersion - flattened fiber with small normal gvd is most suitable for flat and wideband sc generation ( 2 ) sc generated in dispersion - flattened / decreasing fiber is studied profoundly

    結果表明,利用自相調制效應在常規色散光纖一般不能產生平坦、寬帶的sc譜。具有較小常色散的色散平坦光纖有利於平坦、寬帶sc譜的形成。 ( 2 )研究了色散平坦漸減光纖中sc譜的產生。
  13. In the state of galvanic couple, the couple potential of the bare metal quickly shifts towards positive direction, and to approach the stable natural corrosion potential of aluminum alloys after 40 seconds

    耦合狀態下,新鮮金屬的耦合電動的速率極快,在40秒鐘后已接近於鋁合金穩定的自腐蝕電
  14. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的長圓形主鏡,採用六邊形輕量化孔,鏡體結構剛性品質最好,方形次之,三角形最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但同時主鏡組件的剛體增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。
  15. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的信息,從而大大提高了演算法的效率:與通常的向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性質,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學論文基於圖象的快速繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視點目標圖象。
  16. Rebounding displacement of slope and axial force of anchor bars increases as the increment of the included angle of the rebounding displacement vector and x positive axis will reduce as the increment of horizontal tectonic stresses. the reduction of lithologic characters and weak interplayer have unfavorable influence on stability

    支護錨稈軸力也增大;隨著水平構造應力的增加,回彈矢量與水平x軸方向所形成的角度將減小;邊坡巖體巖性參數的弱化和軟弱央層的存在都對邊坡的穩定造成不利的鍘惻。
  17. By means of the calculation results of interlaminar stress distributions, the influence of delamination growth on the resultant fatigue lives is qualitatively discussed, realizing that a more comprehensive analytical model is essential to include the effect of stacking sequence and the arosing interlamina stresses on fatigue behaviors of laminates. the recommended scheme was also used to calculate the fatigue lives of specimens with central holes subjected tensile - compressive cyclic loadings and has got comparable estimations with experimental results

    發現和修了有關文獻中的一些錯誤,重新建立了斷裂筋條彎曲修的公式和協調方程,編制了相應的計算程序,根據計算結果探討了斷裂筋條和筋條彎曲對蒙皮裂紋的影響,指出了有的文獻上給出的計算曲線存在的謬誤。
  18. _ _ _ _ uncertain factors of macroscale inversion analysis of displacements are summed up. associated inversion model containing non - deterministic factors is proposed, i. e. " deterministic inversion of differential equation + systematic optimization technique = non - deterministic inversion ". the systematic optimization technique includes direct operator optimization, direct numerical analysis optimization, measurement design optimization, measured data processing, in - ersion algorithm optimization, and inverse operator regularization, etc. when this associated inversion technique is used in displacements back analysis, uncertain factors can be processed quantitatively

    歸納了宏觀尺度反演分析的不確定性因素,提出了容納不確定性因素的反演分析的聯合反演模式,即「微分方程確定性反演+系統性優化技術=非確定性反演」的模式,並具體論述了聯合反演模式的系統性優化技術,包括演運算元的優化、演數值分析的優化、測量設計優化、觀測數據處理、反演演算法優化、反演運算元處理等六個優化方法。
  19. Slight displacements of atoms relative to their normal lattice positions, normally imposed by crystalline defects such as dislocations, and interstitial and impurity atoms

    原子相對於它們常點陣置的輕微,通常是由晶體的缺陷,如錯、間隙原子、雜質原子存在引起的。
  20. This paper presents the displacement solution to mine elevator viscoelastic vibrating equations and the kinetic tension calculation method, discusses kinetic tension characteristics under rectangular, ladder shaped, sinusoidal and parabolic acceleration curves, provides ways to limit or even avoid lifting rope viscoelastic vibration

    摘要給出了礦井提升機粘彈性振動方程的解及動張力的計算方法,研究了採用矩形、梯形、弦形、拋物線形加速度時銅線繩的動張力特性,給出了限制和消除提升鋼絲繩粘彈性振動的方法。
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