相位移系數 的英文怎麼說

中文拼音 [xiāngwèiyíxìshǔ]
相位移系數 英文
coefficient of phase displacement
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : 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...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper

    摘要將原子間相互作用勢的非諧項作為微擾，運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式，推導了納米晶體線的熱膨脹系數公式，並進行了數值計算。
  2. Multiresolution wavelet is widely used in antinoise application because of the correlation of different layer wavelet coefficients. this paper presents a method called " shifting different layer coefficients " to suppress noise and pick - up the edge

    多尺度小波系數由於其相關性而在去噪中得到應用，本文提出利用多尺度小波系數的移位相關的性質來最大限度的抑制噪聲，提取邊緣。
  3. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因，推導了波動電流、阻尼系數的計算公式，並通過實驗展示了被動式電磁阻尼器的阻尼效應。
  4. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法，使其可應用於變形體連接的多體系統，並以此理論為依據建立人體整椎脊柱沖擊動力學模型，此時考慮脊柱的大位移運動，每個椎骨的變形相對椎間盤的變形小得多，把脊柱看成由剛體（椎骨）和變形體（椎間盤）組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合，最後得到腰椎間關節剛度系數因子和阻尼系數因子
  5. Relaxor ferroelectric single crystals, such as pb ( mg1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pmnt ) or pb ( zn1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pznt ), have been reported to exhibit an extremely large piezoelectric constant and excellent electrostrictive properties. such excellent performance makes it fully substitute the traditional piezoelectric ceramics and points to a revolution in ultrasonic transducers, actuators and micro - positioners, making relaxor - based piezocrystals the most promising materials for a broad range of advanced applications. however, it is difficult to grow the high quality single crystals because of the lack of valid thermodynamic data

    新型弛豫鐵電單晶鈮鎂酸鉛（簡稱pmnt ）或鈮鋅酸鉛（簡稱pznt ）是一類新興的功能材料，其在準同型相界附近具有優于傳統壓電陶瓷的較高的壓電常數和電致伸縮系數，可完全代替傳統的壓電陶瓷作為超聲換能器、致動器、微位移器等，使其成為鐵電領域的研究熱點，但如何生長出滿足應用要求的單晶材料卻一直是一個困擾的問題。
  6. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果，選取結構邊緣部分的兩個節點，對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的，在進行工程設計時應該考慮這種因素，並可採用乘以風振系數等相應方法來加以體現。
  7. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  8. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點，運用數力學中矢量分析理論和方法，推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  9. 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位移變形的監測成果驗證了該程序的正確性及適用性； （ 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。
  10. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議
  11. It is found that " phase produces coplanar slip and reduces the number of movable slip systems because its particles are cut by moving dislocations in deforming process, for its large critical size of cut - bypass, accordingly its strengthening contribution is anisotropic. and strengthening contribution of t1 phase is also anisotropic because it distributes on the four { 111 } slip planes while its critical size is small

    研究表明，相由於顆粒的切過-繞過臨界尺寸較大，在變形過程中被運動位錯切過，由此產生共面滑移，減小可動滑移系數目，所以其強化具有各向異性； t _ 1相的臨界尺寸較小，但分佈於四個{ 111 }滑移面上，故其強化也具有各向異性。
  12. In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically

    在超屏幕尺寸測量技術中，關於二維光學顯微工作臺位移信號採集，採用了光柵尺來實現超屏幕尺寸測量，設計了光柵信號採集電路，分析研究了採集電路中的關鍵性問題，提出相應的解決方案，並討論了工作臺位移信號、圖像數據與實際尺寸的關系;同時設計了電機驅動介面電路，為二維工作臺自動測量奠定基礎。
  13. Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads

    第四章介紹了多執行器復合控制實驗系統和實驗方法；介紹了實驗採用的流量控制的pid演算法；並測定了執行器控制閥和閥芯位移相關的系數；做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗；通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。
  14. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的基礎上，深入分析混凝土在輸送管道內的流動狀態，得出混凝土泵的負載特性方程；然後根據功率鍵合圖的建模方法，建立泵送迴路和分配迴路的數學模型，並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬，分析了在不同的輸入流量（泵送頻率）和換向時間下，活塞桿的位移和系統的液壓沖擊情況，找到了引起液壓沖擊的根本原因（即分配迴路的響應時間（固定值）與活塞桿的運動時間（變化值）不相匹配） ，並提出了相應的改進方法。
  15. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交設計表l9 （ 3 ~ 4 ）分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數的拉拔試驗數據，獲悉： 1 ）拉拔試驗位移特性主要取決于影響因素中拉拔速率；通過分析並獲取影響因素對筋土界面相互作用參數的影響程度及其在拉拔試驗過程中的變化規律，提出了當量拉拔位移（ x ）的概念，並據此將拉拔試驗全過程劃分成「主過程（ x 1 . 0 ） 」和「殘余過程（ x 1 . 0 ） 」 ；且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段（靜摩擦阻力階段、滑動摩擦阻力階段，殘余摩擦阻力階段） ； 2 ）不同（規范）定義的筋土界面摩擦阻力系數數值相差較大，但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同（規范）定義而受到影響。
  16. On basis of fractal theory and the principle of fractional brownian motion, this paper puts emphasis on the following parts : firstly, the determination of fractal non - scale range on calculate fractional dimension is discussed, which adopts method associated artificial cognition with track decision. secondly, primeval data are segmented into blocks to evaluate their sub - fractional dimensions. in this process, the maximal value of sub - fractional dimensions in different directions is prioritized

    本文利用分形幾何理論與分形布朗運動原理，重點研究和分析了以下的幾個問題：分形維數計算時無標度區的確定，使用了人工法與軌跡法相結合的方法；對原始數據進行分塊分別計算其子分形維數，考慮了實際地形特徵的方向性，計算得到的子維數為局部的最大坡度方向上的方向維數；改進了傳統的隨機中點移位（ rmd ）內插技術，使用不同的插值比系數進行插值。
  17. The effect of car body elastic vibration on the ride comfort is analyzed. the ride comfort and acceleration responses of the car system with rigid car body model or elastic car body model are studied and compared. finally by using ansys / ls - dyna software, the finite element impact models of car body with a rigid wall have been set up, then the displacement, velocity, acceleration and energy variation of the car body are analyzed and compared for before and after lightening cases under the condition of impact speed 5. 8m / s and 11. 8m / s

    本文利用ansys軟體建立了25k硬臥客車車體輕量化前後的有限元模型，計算了車體的強度、剛度和模態，並對輕量化前後的車體作了對比分析；然後，用nucars動力學分析軟體建立了25k硬臥客車系統的數學模型，分析了彈性振動對平穩性的影響，並對剛性車體和輕量化前後的彈性車體對平穩性和加速度響應的影響作了對比分析；最後用ansys / ls - dyna軟體建立了25k硬臥客車車體輕量化前後的動態顯式有限元模型，分別在5 . 8m / s和11 . 8m / s的速度下碰撞剛性墻，得到了車體的相對位移、速度、加速度和能量的變化過程，並作了對比分析。
  18. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。
  19. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。
  20. Meanwhile, the influence of overlapping area on the beam foundation is modified by means of load amendment, and the influence of overlapping area on the pile - beam foundation is modified by means of stiffness amendment. by applying the model of stress - spread in shear - displacement method to describe the stress spread between piles and the geddes hypothesis to determine the stress distribution of pile, a displacement coefficient is deduced to calculate the flexibility matrix and the coefficient for load distribution of pile. considering the stiffness of foundation beam, the equation of the interaction of pile - beam - soil is established and an analysis program is developed related to the interaction

    本文通過採用剪切位移法中的應力擴散模型考慮樁與樁之間的應力傳遞作用；採用geddes假定確定樁身和樁端的應力分佈，推導位移系數，並以此為基礎求得柔度矩陣；樁身和樁端的應力分佈大小由樁的荷載分配系數控制，通過迭代法可以求出樁的荷載分配系數；在考慮基礎梁對樁?梁?地基土共同作用的剛度貢獻基礎上，提出了樁?梁?地基土共同作用方程，並通過本文作者開發的相應計算程序，經實例計算驗證了本文方法的正確性。
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