過阻尼的 的英文怎麼說

中文拼音 [guòzǔníde]
過阻尼的 英文
overdamped
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 尼 : 名詞（尼姑） buddhist nun
  • 的 : 4次方是 The fourth power of 2 is direction
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。
  2. 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。
  3. T should not be made larger than necessary since excessive erector damping causes the gyro to overshoot the vertical during erection.

    T也不應該做得比需要的更大，因為修正裝置阻尼過大將使陀螺在修正過程中偏離垂線過多。
  4. Taking into account of magnetic hysteresis of mr dampers, revised bingham model for mr dampers is proposed in this dissertation

    通過該模型得到樣本數據，建立了能夠模擬mr阻尼器逆向工作特性的逆模式神經網路模型。
  5. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明，相對于最小二乘法和阻尼最小二乘法，基於自然權的加權阻尼最小二乘演算法，由於利用了正確的先驗信息，不但使反演過程收斂，而且具有數值穩定、抗噪能力強的優點，其成像結果能真實有效地反映對象內部缺陷，因此更適用於混凝土的超聲波速度反演。
  6. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。
  7. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向運動的體微機械器件，其周圍空氣表現為滑膜阻尼。本文基於滑膜阻尼的兩個模型，通過改變振子與襯底的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等參數，研究了這些參數對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器阻尼特性的影響。
  8. Study on parameters measurement for constant acceleration overdamped - geophones

    加速度過阻尼地震檢波器測量的研究
  9. Suspension fluid - - used inside a shock absorber to create damping when forced through orifices or valving. the fluid is also used for lubrication and should be incompressible

    懸掛用液體用於減震內，當油被迫使通過小孔或閥門時吸收或產生阻尼的。也起潤滑作用，它應該是不可壓縮的。
  10. A study on damping measurement for overdamped - geophones

    過阻尼地震檢波器阻尼系數測量的研究
  11. Overload control for winged missile using intelligent resistance

    採用智能阻尼的飛航導彈過載控制
  12. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎，將框剪結構的剛度、質量、阻尼等結構參數為隨機變量.通過求解隨機有限元的遞推方程，得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參數單獨變異，以及同時變異對框剪結構地震響應的影響.研究結果表明，對框剪結構而言，結構參數的變異對響應的均值變化影響都不大，主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異，質量的變異性影響稍小，阻尼的變異性影響不顯著.結構各參數的同時變異，對框剪結構地震響應的影響，僅比剛度單獨變異的影響稍大
  13. Drawed into the idea of the damped algorithm of inertial navigation system ( ins ), this paper designs a three - order level damped net in the level loops of strapdown ahrs and uses the velocities to obstruct the oscillations

    本文將傳統的平臺內阻尼的思想引入到捷聯慣性航姿系統中，通過設計水平迴路中的三階內阻尼網路，利用系統本身的速度信息來阻尼周期振蕩。
  14. By analyzing the result, three most main factors influencing the calculation accuracy are found : the constitution of wave scatter diagram, interpolating the irregular wave and the estimating of roll damping coefficient

    通過分析計算結果提出了影響計算精度的三個最主要的因素：海浪能量譜的構成、不規則波的合成方法、橫搖阻尼的估算。
  15. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下，傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中，達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中，在系統加速度較小的情況下，利用加速度計的輸出估計系統姿態角，通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大小直接影響濾波器精度，本文設計了模糊自適應卡爾曼濾波演算法，根據三軸加速度計的輸出調整內阻尼量測誤差方差陣，從而避免了濾波器的發散.模擬和實驗驗證，內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩，避免了系統姿態漂移，有效提高了捷聯慣性航姿系統的精度
  16. The results of this work are valid for under - damping modes provided that the sampling rate is sufficiently higher than the natural frequencies of interest

    本文提出的理論解在假設取樣頻率高於自然頻率數倍以上時可適用於所有次阻尼的模組，因此較過去的研究結果更為完整。
  17. When the axial loads on piles are not considered, contrast with the considered one, the first and the second natural periods are mainly effected, from which conclusions can be drawn that the axial loads affection is obvious to the construction system considering relaigh damp

    通過計算分析發現，考慮軸力的樁基礎阻抗主要影響前兩個周期，當採用relaigh阻尼的結構體系計算時考慮樁基礎軸力明顯影響交錯析架體系的動力特性。
  18. In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research

    在基本理論方面，通過對自適應光學，靜電力驅動，彈性梁理論和擠壓薄膜阻尼的研究，確定了微變形鏡的配置方案；在加工方面對體加工工藝， mumps工藝和summit工藝進行了研究與比較，並選用殘余應力小，表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計；在分析方面主要對微變形鏡單元的靜態特性，模態特性，瞬態響應，頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究，確定了微變形鏡的性能參數。
  19. Using the finite difference method, the wave equation describing the dynamic change of sucker rod is solved, the pump dynamometer card is calculated combining with practical example, the pump dynamometer card taken from that calculating method is analyzed, and the governing factors influencing working performance of sucker rod pump are pointed out, the performance and efficiency of sucker rod pump are improved by the reasonable adjustment of suction parameters

    本文利用有限差分法求解了描述抽油桿柱動態變化的帶阻尼的波動方程，計算出了反映抽油泵工作性能的泵功圖。結合實例，對模擬得出的泵功圖進行分析，找出了影響泵況的主要因素，通過參數調整，改善了抽油泵性能，提高了油井效率。
  20. After analyzing state - of - the - art of active and semi - active structural control in the world, the dissertation focus on semi - active structural control based on the magneto - rheological dampers. and a semi - active control method is put forward, which is based on lq ( linear quadratic ) optimum control theory, and imitates the optimum active - control force with bound value to control the structural response. then two structural models " simulation is conducted to compare the effectiveness and usefulness of the semi - active control with the passive control, and present the normed criteria to analysis the results

    首先分析了mr可控阻尼機理，及mr阻尼器的兩種力學模型；然後根據最優控制理論中的二次型問題，提出採用限值擬合連續最優主動控制力的半主動控制策略，並以此控制方法針對半主動控制的強非線性控制問題，對兩種結構模型進行了模擬計算，並將半主動控制下的結構響應與採用摩擦型阻尼的被動控制結構及無控結構進行了詳細的比較分析，對計算結果提出採用范數指標進行補充評價的綜合評價方法；通過三種控制狀態下的模擬計算驗證了結構半主動控制的有效性與實用性。
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