wind disturbance 中文意思是什麼

wind disturbance 解釋
風擾動
  • wind : n 1 風；大風，暴風；氣流；【機械工程】壓縮空氣。2 【航海】上風；風向；〈古語〉〈pl 〉方向。3 氣息...
  • disturbance : n. 1. 動亂，變亂，騷亂。2. 煩悶；（心情）紛亂；（身心）失調。3. 【無線電】干擾；【氣象學】擾動；【地質學；地理學】（地殼的）局部運動。4. 【法律】侵犯（權利），妨害（治安）。
  1. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。
  2. Simulation results indicate that the cl4 system significantly improves the driver / vehicle performance in response to cross wind disturbance. while, the ol4 system does not improve the driver / vehicle system performance in a side wind disturbance

    得出閉環四輪轉向可改善側風下汽車的運動，而開環四輪轉向並不能改善汽車的側風敏感性的結論。
  3. Along with the development of cae, many multi - rigid body dynamics software get extensive application. a virtual automobile model in side wind is build to offer swift and convenient method for studying the movement of automobile in side wind disturbance using adams

    隨著cae的發展，多剛體動力學軟體得到廣泛的應用，本文用adams建立了側風作用下整車的虛擬樣機，為研究側風作用下汽車的運動提供了快捷和方便的方法。
  4. Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves

    首先針對機翼在風浪中的非定常非線性氣動力問題，提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型，該模型完整地考慮了波浪表面對氣流場的全非線性影響，使波面對流場的擾動分離出來，消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。
  5. A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system

    以並聯機器人jacobian矩陣的條件數為優化設計的目標函數，提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法，採用實值遺傳演算法，對精調stewart平臺進行了優化設計，得到了最優運動學的精調stewart平臺結構參數，為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。
  6. Using an ideal two - dimensional mhd model, this paper investigates the evolution of a pure flow velocity enhancement disturbance in the solar wind in the heliospheric equatorial plane ( 2 - d, 2 - component model ) and the heliospheric meridional plane ( 2 - d, 3 - component model )

    摘要採用二維理想mhd模型，分別在日球赤道面（二維二分量模型）和日球子午面（二維三分量模型）內研究太陽風中純速度增幅擾動的演化。
  7. The phenomena of initial disturbance vorticity translating into spiral bands is most evidently for it locating at the periphery of radius of maximum wind ( rmw ), near rmw next and the spiral bands vanish when it is positioned in the inner core region. indicating that the farther the distance from the tc center, the more distinctly the spiral bands and the opposite is true

    初始圓形擾動渦度場轉化為螺旋臂渦量帶的現象是初始擾動位於渦旋最大風速半徑（ rmw ）外圍最顯著，其次是rmw附近，當擾動位於渦旋內核區時幾乎沒有螺旋臂結構形態出現，表明，初始擾動離tc中心越遠，其強迫渦旋rossby波形成的螺旋帶結構越明顯，反之越弱。
  8. In order to predict the arrival time at 1au of interplanetary shocks, a simple model called disturbance model is established here. in this model, the travel time is assumed to be a function of energy that is released from solar explosives, and input pulse longitudinal width, input pulse duration, the interaction of interplanetary shock and background solar wind are also taken into account

    本論文考慮了激波爆發源角寬度、能量、驅動時間、激波速度及其與背景太陽風之間的相互作用，利用流體力學擾動方程建立起一個激波擾動傳播模型，用於研究激波從太陽傳播到地球軌道附近（ 1au處）所需要的時間問題。
  9. ( 2 ) the increase of rainfall is closely associated with the increase of the disturbance wind which often can be found before the increase of rainfall, so the increase of the nonlinear subcritical symmetric instability can make the rainfall increase. ( 3 ) heavy precipitation often occurs between the south of axis of upper jet at 200hpa and the north of axis of low jet at 850hpa

    （ 3 ）降水區和暴雨中心主要位於200hpa高空急流軸南側和85ohpa低空急流軸北側之間;非線性亞臨界對稱不穩定與高空急流關系密切，它可能觸發高空急流核的形成;它與低空急流關系也很密切，它的出現可能引起低空急流的出現。
  10. Heavy precipitation often forms in the place between the source of high - disturbance wind field at 200hpa, especially of low - disturbance wind field at 850hpa. ( 2 ) the temporal and spatial scale about e - reflection index of nonlinear subcritical symmetric instability disturbance is 5 - 8hours and 200 - 300km respectively

    非線性亞臨界對稱不穩定使線性對稱穩定的大氣變為不穩定。降水區和暴雨中心主要位於高層200hpa和中層500hpa擾動風場極大值南側與低層850hpa擾動風場極大值北側之間。
  11. Fourthly, we discuss and simulate the transformation method of relative parameters of ground target based on data link. and then we analyze decision algorithm of air - to - ground attack. especially, we educe three dimensional terminal guidance law of air - to - ground missile in the disturbance of wind, and give the simulation result

    本文也研究了空對地攻擊的若干技術，包括對獲得數據鏈指揮下地面目標相對于某攻擊機當前時刻相關參數的方法進行了闡述及模擬，並在此基礎上討論了單機對地面多個目標的攻擊決策演算法，同時提出了一種風干擾下空地導彈的三維末制導導引律，且利用數字模擬進行了驗證，並指出研究空地導彈導引律時考慮風影響的必要性。
  12. In order to test the anti - disturbance capability of the flight control system, the models of wind shear and turbulence are introduced to the flight control system. the result of simulation shows the flight control system has excellent anti - disturbance capability

    為了驗證飛控系統的抗風擾動特性，引入風切變和紊流，模擬表明所設計的飛控系統對風擾動具有良好的魯棒穩定性。
  13. The method can eliminate the conventional fuzzy control system ' s steady - state errors and flutters. considering wind disturbance, the stabilized loop of pitch angle was designed and simulated with this method

    9採用帶優化修正函數無量化的模糊控制方法設計國產直九c海豚直升機的縱向姿態角穩定迴路系統。
  14. It preliminarily establishes a set of test theory and technical approach to wind tunnel test. specifically speaking, it includes following work : ( 1 ) theoretical analyses on key parameters of ao effect were made. from maxwell equation, the computation formula for focusing intensity of ordered disturbance and the computation formula for pulse peak intensity were derived

    初步建立起了一套氣動光學風洞測試試驗的理論和技術，完成的主要研究工作有: （ 1 ）從理論上進行了氣動光學主要參數的分析，從麥克斯韋方程出發，推導了有序擾動的聚焦強度的計算公式及脈沖峰值強度計算公式。
  15. The prediction of disastrous space weather is a hot topi c among solar - terrestrial physics and high technological fields. we propose that the future forecasting of the physical conditions that the violent solar disturb ance causes at the earth by propagating in solar wind depends heavily on the num erical method. this paper analyses the existing problems we are facing in the num erical prediction of disastrous disturbance events in solar - terrestrial space, an d then gives some suggestions for future study. for such a purpose, a six step sol ution method is developed to deal with one - dimensional symmetric interplanetary shock dynamics. it should be point out that that initialization of fully self - con sistent 3 - d mhd codes considering the solar - interplanetary - geomagnetic coupled r elations with initial - boundary values at 1r of the global output of solar pl asma and magnetic field using available solar observations is an essential requi rement in space weather operational codes for forecasting purposes

    空間災害性天氣的預報是日地物理學界及高科技領域的熱門話題.未來預測太陽劇烈擾動所造成的行星際風暴到達地球空間的狀態勢必藉助于數值方法.淺析了空間災害性擾動事件數值預報存在的問題及未來設想，針對這一目的對一維球對稱問題提出了處理行星際激波的6步求解方法，指出未來空間災害性擾動事件預報模式應是一個基於三維的以真實太陽風為背景自洽建立起來的、以太陽等離子體輸出及磁場全球結構為初邊值、太陽、行星際、地磁因果耦合模式
  16. On the basis of this, establish one ideal driver feedback models, which are used to investigate both conventional front wheel ( fws ) and four - wheel steering ( 4ws ) automobile during side - wind disturbance

    在此基礎上，建立了一理想的駕駛員反饋模型。分析了使用前輪轉向、開環四輪轉向和閉環四輪轉向情況下汽車在側風下的運動。
  17. The introduction of nonlinear advection into the model weakens the intensifying of maximum tangential wind with relative to the initial disturbance azimuthally wave numbers and intensity

    Ssbyt和臺風強度影響的研究似二波分佈擾動使tc強度的增幅並沒有實際二波擾動的增幅大。
  18. The disturbance located at inner region and near eyewall intensifying corresponds to the growth of amplitude of typhoon maximum tangential velocity with shorter period and the opposite is true. the weakening role of periphery disturbance intensity drop in typhoon maximum tangential wind reduces iv rossby obviously and the mean tangential wind display a strong vibrational characteristic for the periphery disturbance intensity growth

    臺風內核區和眼壁附近擾動的減弱（加強）使臺風最大切向風速的增幅減小（增大） ，且強度增強，風速變化的震蕩性加強，震蕩的周期縮短；強度減弱，風速變化的震蕩性減弱，震蕩的周期加長。
  19. Weak as it is, the disturbance in the wind field is discernible

    該風場的擾動雖然很弱，但是還是可以看得出來。
  20. When ships are at their actual voyages the working conditions ( such as loading, depth of drafu ship speed ) and the navigating environments ( such as the sea route, depth of water, wind, wave, current ) are variable to a large extent. the whole during is a procedure of model varying with time nonlinear and large disturbance. the introduction of the intelligent controlling method can contribute to the improvement of automation degree for ship avoiding collision and maneuvering systems

    由於船舶的運動在實際的航行過程中隨船舶的工作狀態（如載荷、吃水深度、航速等）及航行環境（如航線、水深、風、浪、流等）的不同而有很大的變化，是一個模型時變、非線性、大幹擾的過程，將智能化控制技術用於其中將會有助於船舶避碰與操縱系統的自動化程度的提高。
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