波浪擾動 的英文怎麼說

中文拼音 [bōlàngrǎodòng]
波浪擾動 英文
wave disturbance
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 浪 : Ⅰ名詞1 （波浪）wave; swell; billow; breaker 2 （像波浪起伏的東西） things undulating like waves 3...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 波浪 : wave
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. 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。
  2. When a strong tide is disturbed by submarine bedforms, its effect on surface drift, breaking criteria, as well as energy dissipation rate of short wind waves are discussed and for a particular case, these effects are estimated using available experimental formulae for drift speed

    本文將phiilips & b ~ r （ 1974 ）的理論應用於受地形擾動的強潮流場，探討該潮流場對表面漂流的調制和對風浪破碎臨界條件的改變，並進而討論潮流場對破碎損耗源項的影響，初步給出一個考慮了上述影響的、適用於短重力波的破碎損耗源項形式。
  3. This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement

    本文根據統計疊加理論，採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪，進而實時模擬長峰波隨機海浪對船舶的隨機擾動，對船舶在海浪中的橫搖和縱搖運動進行了時域模擬，得到船舶搖蕩運動的橫搖角信號（ t ）和縱搖角信號（ t ） 。
  4. Besides, pid control algorithm is introduced and the velocity closed - loop controller is designed on the basis of dynamic model for the train. furthermore, according to kunming world ' s fair route data, the ato system with pid controller is simulated. it shows some disadvantages, and so the predictive control algorithm is brought forward to realize velocity closed - loop control

    在已有的列車運動模型基礎上，採用pid控制演算法，設計了列車的速度閉環控制器，結合昆明線線路數據，進行了基於pid控制器的ato系統模擬分析，發現採用pid控制器控制時，列車運行曲線呈波浪形，當遇到坡道或者外界干擾時速度和加速度曲線會出現尖峰現象。
  5. In the last chapter, the submarine motion tendencies under first order and second order wave force actions are illustrated through theory analysis and simulations, which established the foundation for studying the design of autopilot control system under wave force disturbances

    最後本文從理論、模擬兩個方面分析和顯示了艇體在一階、二階波浪力作用下的運動趨勢，從而為研究潛艇近水面波浪力干擾下的潛艇自動舵設計奠定了基礎。
  6. Before h wave filter is designed, the control system model must be known, so the mathematics model of the ship motion and the wave disturbance are introduced. 3

    在應用h _濾波技術設計海浪濾波器時，必須首先知道被控對象的數學模型，因此在設計h _海浪濾波器之前，我們簡單的介紹了設計時需要用到的船舶運動數學模型和海浪干擾模型。
  7. In the ship motion control, the heading angle of ship is affected badly by the wave disturbance. if the wave filter is applied, the high frequency effect of the wave disturbance can be reduced greatly and the control performance can be improved

    在船舶運動控制中，海浪干擾對船舶的航向輸出具有很大的影響，而運用海浪濾波器可以有效的消除海浪干擾，提高船舶的控製品質。
  8. Based on the potential theory, linear and fully nonlinear aerodynamic forces and motions of a wing flying above sea - waves are studied numerically. and the effects of the characteristic parameters of wing and sea waves on the aerodynamic forces are acting on the wig are analyzed systematically in this thesis

    本文基於勢流理論計算研究了二維和三維機翼在風浪擾動中的線性和全非線性氣動力及其運動響應，全面分析了機翼和波浪的特徵參數對氣動力的影響，得出了很多有意義的結果。
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