瞬時運動 的英文怎麼說
中文拼音 [shùnshíyùndòng]
瞬時運動
英文
i tantaneous motion-
Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number
另外，正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」標志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化，而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。Mechanics course mainly includes the description of movement of objects, the instantaneous effect of strength, spatial build - up effect of strength, temporal build - up effect of strength, nonindividual body mechanics, mechanical wave and sound, relativity, inalterability and covariability and mechanics foundation of the theory of relativity
力學主要內容包括物體運動的描述，力的瞬時效應，力的空間累積效應，力的時間累積效應，連續體力學，機械波和聲，相對性、不變性與協變性和相對論力學基礎等。This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection
該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程，通過時域步進求解獲得船舶剛體運動的穩定時歷，進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。Spatial and temporal variations in the air movement are desirable for fresh environments.
空氣運動隨空間和瞬時而變化是新鮮環境的要求。Time is infinite movement without one moment of rest, and it is not otherwise thinkable
二時間是沒有瞬間停頓的無限的運動，不然就是不堪想象的。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。This paper presents an assur - group method for the kinematic analysis of plannar cam mechanisms. during inversion, each instantaneous cam mechanism is transformed into an assur - group in this method
該方法是把反轉中的凸輪機構的各個瞬時機構轉化為桿組，通過對桿組的分析完成對凸輪機構從動件的運動分析。Abstract : the shaping equation of steamed bread in circular trough camber of shaping roller, the instantaneous velocity of its surface, and the strength by shaping roller were analyzed during shaping, then a theory base for the design of steamed bread shaping machine was provided
文摘:分析了饅頭成型過程中成型輥上圓弧槽曲面內饅頭生坯的運動方程，饅頭表面動點瞬時速度及饅頭成型時受力分析，為饅頭成型機的設計提供了理論依據。Chapter 4 time - dependent computational simulation of the response of cable - suspension feed system in gusty wind based on the time - independent structure finite element method, and with consideration of the movement laws of cabin, a 3 - d time - dependent structure finite element model formulated by a new method named iss method ( instantaneous structure supposition method ) to deal with the vibration response of cable - suspension feed system in gusty wind is presented. in the model, all sources of geometric non - linearity, cable sag and changes of cable geometry due to large displacement, are fully considered
基於時不變結構的有限單元法，在綜合考慮饋源艙運動規律的基礎上，提出了時變系統的瞬時結構假定法，通過將懸索離散為索桿單元，建立了系統的時變有限元模型，該模型充分考慮了懸索的垂度和大變形等幾何非線性因素，應用ne 。Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation
低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數，我們借鑒isar的技術，通過較長時間的相干積累，在多普勒頻域上對目標進行分辨。而對于編隊目標，可分為近似剛性的多目標和非剛性的多目標，所以對于可以近似為剛體的編隊目標相對位置固定，運動方式一致，可以近似看作一個大目標，採用最小墑準則對平動相位的進行補償，但是大多數並不滿足剛體近似的編隊目標，由於目標在相干積累時間的多普勒頻率近似呈線性變化，通過對較短數據利用relax的時頻分析方法，提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間，所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨，對模擬和實測數據的大量分析結果表明此方法的有效性和可行。Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect
主要結論如下：熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容；峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱，凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響；當充、排氣時間比為0 . 1763時，最佳射流激勵頻率出現在高階峰值振蕩頻率上。The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull
本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result
但是，非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的，以連續方程和動量方程為基礎，建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。A ptv system was developed which allows particle velocities across a flow plane to be measured at a single instant. ptv presents a new efficient technique in hydraulic measurement
該系統具有可靠的精度，能同步量測全剖面的顆粒瞬時運動信息，為懸移質運動量測提供了嶄新的技術手段。Tracking is based on moving objects detection, its main purpose is to get the tracks and motion feature such as velocity and direction of the moving object
跟蹤是在運動對象檢測的基礎上進行的，其主要目的是得出運動對象的運動特徵：包括運動軌跡及瞬時運動參數，如：運動速度、運動方向等。In addition, the algorithm has been discussed and realized that distills the fire smoke envelope in fire smoke image sequence by use of instantaneous motion analysis and cumulated motion analysis
此外，本文實現了通過瞬時運動分析和累積運動分析的方法在火災煙氣圖像序列中提取火災煙氣輪廓。Attitude errors are given first, and then theoretical analysis, simulation result show 3 kinds of attitude errors ’ affection both on the doppler and the image. 5. motion compensations based on gps / ins / imu control system and pga self - focus arithmetic are analyzed
5 .研究了以gps / ins / imu為基礎的平臺控制系統和以pga演算法為基礎的自聚焦兩種主要的運動補償方案，並根據載機運動狀態和多普勒頻率的關系，推導了一種基於瞬時運動狀態的運動方法，最後結合rd演算法加以補償。And then we consider the manner in which the bennett linkage is related to the hyperboloid defined by its joint axes and the one defined by its links. we go on to algebraically inter - relate these and an equivalent screw of the overall instantaneous motion, which help us understand its kinetic property
然後進一步研究了它的四個軸線所組成的單葉雙曲面和它本身的幾何參數的關系，使bennett機構的瞬時運動和某個單葉雙曲面結合起來，有利於我們對其運動屬性的了解。It is a reliable instrument for the measurement of the coherent structure in turbulence. an improved 2 - d ptv was developed based on previous research experiences, which can be used to measure the trajectories of particles motion. for the experimental study on the particle motion in the dilute solid - liquid two - phase flow, especially for the motion characteristics and dynamic characteristics of coarse particles in water, this kind of system was proved to have great advantages
利用該系統可獲取大量的統計樣本並進行計算機快速分析，為明槽紊流相干結構的試驗研究提供了一種嶄新的測量手段；在前人工作的基礎上，開發了一種能夠測量水流中顆粒運動軌跡的ptv系統，該系統具有可靠的精度，能同步測量全剖面的顆粒瞬時運動信息，為顆粒運動特性及動力學特性的試驗研究提供了強有力的手段。The differential equation of flexible rotor operating unsteadily is also derived and solved, its transient dynamics responses under different accelerations are obtained with simulink ' s program. the amplitude, phases and advancing angular velocity of response along with rotational speed and time under different accelerations are discussed. the responding conclusions have been reached
同時，建立了單盤轉子的瞬態運動方程，用simulink程序求解了所建立的瞬態方程，模擬得到了它在不同加速度下的瞬態動力響應，並就不同加速度下的振幅、相位、進動角速度隨時間和隨轉速的響應分別作了較詳細的討論，得出了相應的結論。分享友人