質點系 的英文怎麼說

中文拼音 [zhídiǎnxì]
質點系 英文
system of ma points
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  1. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時，文中從研究單質點結構的滑動振動慣性力入手，進而對多質點結構體系滑動振動反應進行探討，分別給出了結構滑動隔震的自身穩定條件。最後，本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析，進一步證實了基礎滑移隔規律。
  2. In fig. 6-1(c), the motion of a particle is referred to by a rectangular coordinate system.

    在圖6-1（c）中，質點的運動是用直角坐標系來描述的。
  3. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據
  4. The domestic and international scholar of the foundation of this text regards system value and theoretical foundation of acting as prima facia proxy as the starting point to acting for the research of the system, and explains prima facia proxy ' s concept, nature, form important document, type and its embodiment in our country ' s law, in the hope of perfecting the system of agent of our country

    摘要本文根據國內外學者對表見代理制度的基本研究，以表見代理的制度價值和理論基礎為出發點，系統闡述了表見代理的概念、性質、構成要件、類型以及其在我國法律中的體現，以期完善我國的代理制度。
  5. Global positioning system and kinematics of particle

    全球定位系統和質點運動學
  6. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。
  7. On the construct design of a fixed - fixed undamped mass - spring system under the sum of mass of system restriction

    固定型無阻尼彈簧質點系統的質量約束問題
  8. The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them

    總而言之，本文系統地研究了基於質點運動學的單站無源定位與跟蹤領域的主要關鍵技術問題並提出了相應的解決方法，其中某些分析結果和方法可直接應用於實際的工程應用。
  9. This paper calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action

    本文計算了平面串並聯多質點系結構在豎向地震作用下的豎向剛度矩陣。
  10. According to purpose of the towed flight, a new trajectory consisting of taking off, climbing phase, level flight phase is presented with. trajectory pitch angle of the towing plane is optimized. according to the flight law of the towing plane, the fin deflection angle and amplification coefficient of particle - system trajectory of carrier rocket are designed, in order to realizing flight steadily of the carrier rocker

    根據牽引飛行的目的，對載機應用了「起飛?爬升?平飛」的變軌道飛行方案，同時對載機軌道的傾角、傾角變化規律進行優選設計；再根據載機的飛行規律，對運載器質點系軌道的舵偏規律及其放大系數進行了設計計算，實現運載器穩定牽引飛行。
  11. The paper discusses how to reconstruct the 3d model of alimentary canal from many medical tomographic images using the computer 3d visualization technology, explains the work principle of its operation signal gathering devices and feedback force controlling devices, and describes the mass - spring / damper simulation model used in the software emulation

    主要討論了通過計算機三維可視技術，對醫學斷層影像重建得到三維訓練模型；並講解系統外設實現操作量採集和力反饋的工作原理，以及系統模擬軟體採用的質點彈簧阻尼物理模擬模型。
  12. We propose to analyze the spacial conformation of particles by integrating the concepts of the convex hull, hypergraph and depth

    摘要本文的主要目的是把空間多面體、超圖與深度這三個概念綜合起來，作為描述與分析空間質點系形態的基本工具。
  13. Matrices, vector and vector calculus, newtonian mechanics - single particle, oscillations, nonlinear oscillations and chaos, gravitation, some methods in the calculus of variations, hamilton ' s principles lagrangian and hamiltonian dynamics, central - force motion, dynamics of a system of particles, motion in a noninertia reference frame, dynamics of rigid body

    矩陣和向量的計算、單一質點的牛頓力學、線性與非線性的振動運動、重力、微積分上的變分法介紹、哈密頓原理、拉氏及哈氏力學、連心力下的運動、質點系的運動力學、在非慣性座標中的運動、剛體的運動。
  14. In the following part, trajectory design and computation are given, including fight scheme and control & navigation laws. through the design and computation, the profile of attack angle, trajectory angle and pitch angle are designed. these works provide theoretical fundamentals for dynamics analysis and practical trajectory design

    第三部分內容是對導彈的彈道進行設計與計算，給出導彈在各段的飛行方案或導引規律。設計出導彈在整個飛行過程中的質點彈道，迎角、彈道傾角和俯仰角等參量在導彈攻擊目標過程中的變化規律，為進一步的質點系彈道和動態分析提供理論基礎。
  15. Further topics include kinematics, particle dynamics, motion relative to accelerated reference frames, work and energy, impulse and momentum, systems of particles and rigid body dynamics

    更進一步探討運動學，質點動力學，于加速座標繫上之運動行為，功，能量，沖量，動量和質點系統與剛體動力學。
  16. The multi - degree - of - freedom system structural dynamic response analysis of blasting ground vibration velocity displacement excitation

    爆破地震速度位移激勵多質點系結構動力分析
  17. This paper deduces the power equation of the particle system to indicate, by using examples, that this equation is the simple solution to dynamic problems concerning single rigid body or system of rigid body

    導出質點系的功率方程，並結合例子說明該方程應用於求解單個剛體或剛體系的動力學問題時較為簡便。
  18. So, because of the distinctness of vertical displacement of each vertical member of the same floor, then member model is presented to analyzing the vertical vibration during the vertical seismic action

    因此，由於各豎向構件在同一樓層處豎向位移不同，需要用串並聯多質點系模型來分析豎向地震作用下的豎向振動。
  19. From the global stiffness matrix of plane frame, condensing the static force and eliminating the coupling of vertical force and displacement and other broad sense force and displacement, obtained the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action considering the influence of horizontal girds and nodal

    從平面串並聯多質點系結構的總剛度矩陣中，採用靜力凝聚法，消去豎向力和豎向位移與其它廣義力和廣義位移之間的耦聯關系，得出框架結構在豎向地震作用下考慮水平梁和節點轉角影響的豎向剛度矩陣。
  20. In this dissertation, the re - entry vehicle can be seen as a rigid body system composed of a shell of the vehicle and internal moving mass points, by applying the newton - euler ’ s method, the dynamical equation of mmcrv are derived and the control mechanism is analyzed according to the dynamical equations. several influence factors on the dynamical response of mmcrv is analyzed in detail

    將殼體與內部活動質量體看成是一個剛體與質點系組成的多剛體系統，採用newton - euler建模方法完整地推導了變質心再入體的動力學方程，其結果顯示了內部活動質量體移動對再入體姿態的影響。
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