vertical acceleration 中文意思是什麼

vertical acceleration 解釋
垂向加速度
  • vertical : adj 1 垂直的，直立的，豎立的，縱的（ opp horizontal ）。2 頂上的，頂點的，絕頂的。3 【解剖學】頭...
  • acceleration : n. 1. 加速；促進。2. 【物理學】加速度；變速。3. 【教育】加速升級。
  1. 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。
  2. In this study, based on bispectrum and bicoherence extraction of vibration acceleration signals at spindle end of a vertical machining center while milling operation, change rules of bispectrum and bicoherence of the signals were analyzed for the progressive wearing process of the flank wear land of the milling cutters

    通過提取銑削加工過程中機床主軸端振動加速度信號的雙譜及其雙相干系數，分析了銑刀后刀面漸進磨損過程雙譜及其雙相干系數的變化規律。
  3. The results of studying show that time dilation effect in horizontal motion of compound pendulum is a result of the change in mechanism of dynamics such as acceleration of gravity, such in vertical motion of compound pendulum is due to both the change in mechanism of dynamics and the change in mechanism of kinematics

    結果表明，復擺鐘整體沿水平方向運動的鐘慢效應是因為動力學機制發生了變化；而沿垂直方向運動的鐘慢效應，既與動力學機制的變化有關，也與運動學機制的變化有關。
  4. Based on the analysis of the lateral acceleration data of vehicles measured in shanghai metro lin, this paper suggests that the lateral oscillation force of the vehicles shall choose 10 % of the vertical load on a single wheel

    摘要根據鐵路車輛及上海軌道交通3號線上實測車輛橫向加速度值，建議橫向搖擺力取軸重的10 % ，按目前承軌合構造，車輛偶然脫軌后可能橫向偏移左右各1 . 75m 。
  5. The results of simulation and test show that the semi - active seat suspension with fuzzy controller can markedly reduce the vertical vibration acceleration and hence improve the ride comfort of vehicle

    模擬和臺架試驗結果表明，模糊控制策略能使該系統較好抑制垂直振動加速度，提高乘坐的舒適性。
  6. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況，考慮車路耦合和橋面沉降坡差的影響，對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析，得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力，分析了車輛的行進方向、速度和載重，橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響，並編制了相應的計算程序。
  7. In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods

    本文基於對大量歐洲強震記錄的研究，分析了地震動豎向與水平向分量在峰值加速度、反應譜值、頻譜周期等參數方面的差異，以及這些參數與場地、震源機制、震級和震中距的關系，得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ，豎向地震動分量的作用不可低估;在短周期，豎向地震動影響系數的最大值僅取為水平向地震動影響系數最大值的65 %是偏於不安全的，可以考慮按周期分段採用不同的折減系數;我國現行抗震規范中設計反應譜特徵周期的取值偏低，可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間，豎向設計反應譜的特徵周期應有單獨規定。
  8. The cycloid function is used to generate the horizontal and vertical foot trajectory respectively, and a modified cycloid function is used to make the acceleration curve of the joint more smooth and successive, the trajectory and drive moment of each joint is calculated by simulation

    使用擺線函數分別產生足的水平和垂直方向的運動軌跡，用修正擺線函數使其加速度進一步平滑、連續，對各關節的運動軌跡和關節驅動力矩進行了模擬。
  9. The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis

    以頻域內四輪隨機激勵作為系統輸入，用matlab模擬低地板城市客車等三種車型人椅系統三向加速度功率譜的變化規律，逐項分析車速、懸架剛度與阻尼參數變化對車輛平順性的影響，通過與相關研究結果的比較及理論分析驗證了模型的合理性。
  10. A flight garment worn by astronauts and jet pilots that presses on the lower body to maintain the blood supply to the brain during rapid vertical acceleration

    抗荷衣宇航員或噴氣機飛行員穿的飛行服，在快速垂直加速中增加身體下部的壓力以保持腦部血液供應
  11. The influence of coriolis acceleration level on human oculomoor and perceptual responses to investigate the influence of different coriolis acceleration levels ( 0. 329 cm / s2 > 0. 493 cm / s2 ^ 0. 658 cm / s2 ) on human subjective sensation and nystagmus. basic parameters including the pattern, the duration and the intensity of ci as well as mean slow phase velocity ( mspv ), beat, time constant of slow phase velocity decay and duration of horizontal and vertical eng, were recorded

    493cm s 『 （ n 』 20cm s2 ） 、 0石58cm婦』 （ 『 15cln s刁三種不同強度的科里奧利加速度引起的科里奧利錯覺形態、強度、錯覺持續時間及伴隨的水平、垂直性眼震的眼震次數、最大慢相速度、平均慢相速度、慢相速度衰減時間常數、持續時間等參數的變化進行了觀察。
  12. Testing the vibration acceleration signal of rail top ( lateral and vertical ), rail middle ( lateral ), rail bed side ( vertical ) and rail bed middle ( vertical ) with dasp vibration testing system, calculation of signals obtains the power spectral density and frequency response curves of different position

    測試橫向和垂向激振力下鋼軌不同部位的振動信號，進行頻譜分析，得出不同部位的頻率響應曲線。通過對頻響曲線的分析，得出不同方向激振力下鋼軌振動能量集中的頻率，確定不同方向激振力下鋼軌的主要振動部位和振動形式。
  13. Vertical acceleration level

    垂向加速度水平
  14. By using airport runway pavement assessment software, the author simulates the vertical acceleration and dynamic load while an aircraft is taxing on two different - roughness runway pavements, and analyzes the impact of runway pavement roughness on aircraft operation on the basis of the result of simulation

    藉助機場道面平整度評估軟體，對飛機在兩種平整度不同的跑道上滑行時的豎向加速度和動載進行了模擬，並根據模擬結果分析了跑道道面平整度對飛機運行的影響。
  15. 2. the discrete sampling value of field track vibration acceleration wave is transformed by fft and analyzed by deterministic analysis. one degree of freedom simplified model is used for train and the kinematic equilibrium differential equation is deduced to simulate the vertical wheel system

    最後，通過線性回歸得到了該地鐵軌道交通引起的環境振動的振級衰減公式; 2 .通過快速fourier變換，對實測的軌道振動加速度進行了數定分析。
  16. The numerical results show that the horizontal variation of response acceleration of gravity retaining wall is quite small since its lateral rigidity is large enough, the response at a given height level can be considered as the same, the maximum accelerations at different heights on the central vertical line can describe the distribution of earthquake load along the wall height in static analysis very well

    數值結果顯示，重力式擋土結構剛度很大，地震加速度反應在水平方向差異很小，可看作是同步的，可取中心線上各點最大加速度來描述靜力法中地震作用沿高度的變化規律。在沿墻高度方向，加速度分佈不是呈直線變化，比較復雜，總的變化趨勢大體一致。
  17. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構（車輛段大平臺及其上的小區樓房）及其地基基礎為研究對象，在研究和分析有關資料的基礎上，用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型，並以列車振動加速度時程作為模型輸入，進行了地基?樁基礎?地上結構的整體動力學分析，分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響，得到了如下結論： （ 1 ）隨著與地鐵線路距離的增大，地面的振動強度有減小的趨勢； （ 2 ）地面豎直方向的振動強度較之水平方向的略大； （ 3 ）隨著與振源距離的增大，在水平方向上，地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小； （ 4 ）在豎直方向上，每幢樓各層端點的振動速度、加速度完全相同，表明樓房各層在豎直方向上的運動狀態一致； （ 5 ）各幢樓房豎直方向的振動強度比水平方向的大； （ 6 ）增加軌道彈性是減輕地面和地上建築振動的有效途徑。
  18. Three different load conditions are presented in the paper : horizontal wheel / rail forces, vertical wheel / rail forces and the composition of them. the calculations take no account of the acceleration

    論文的計算分三種載荷情況：輪軌橫向力作用、輪軌垂直力作用、輪軌橫向和垂直力共同作用。
  19. Results of simulation studies have shown that the vertical vibration acceleration of the absorbers with fuzzy interpolation control is smaller than that with general fuzzy control. so, that is to say, this fuzzy control is simple and effective, it can also improve the drive ability and safety, and the control precision and stability are obviously better than the general fuzzy controllers

    從模擬結果可以看出，採用模糊插值演算法控制的減振器的振動垂直加速度比一般模糊控制的減振器有了較大的降低，從而說明該控制簡單有效，可以改善系統的平順性和行駛安全性，控制精度和穩定性明顯優於一般模糊控制減振器。
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