隨機擾動 的英文怎麼說

中文拼音 [suíjīrǎodòng]
隨機擾動 英文
random disturbances
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 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...
  • 隨機 : random stochasticrandom
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. As 4ws system is a typical system with stochastic perturbations, which are from the road surface unevenness and side wind and ca n ' t be described by deterministic function, the probability and statistics theory must be used in such research

    由於汽車四輪轉向系統是典型的一個存在隨機擾動的系統，振源主要就是路面的不平度和地面的側風，這類擾動不能用確定性的時間或空間函數去描述，只能用概率統計的方法去研究。
  2. 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 ） 。
  3. As an application of succeeding, a numerical example of max - cut is given. 3. several semidefinite relaxation detection strategies of the cdma maximum likelihood multiuser detection are investigated. rounding, coordinate descent, cutting plane and branch and bound based on quadratic programming algorithm are presented to get the suboptirnal solution

    本文紿出了基於半定規劃模型尋求多用戶檢測問題次優解的幾種重要方法，包括隨機擾動法、坐標下降法、半定規劃的割平面法和二次規劃的分枝定界法等
  4. The main achievements are as follows : according to the stochastic mechanism, a novel ant colony optimization algorithm with random perturbation behavior ( rpaco ) is presented in this paper. the new algorithm includes two important aspects : a amplify factor formulated by inverse exponent function is developed, which is used to avoid premature, on the other hand, corresponding transition strategy with random selection and perturbation behavior is designed, which is designed to prevent the algorithm from stagnating

    主要成果有：從隨機優化技術出發，提出了一種新穎的隨機擾動蟻群優化演算法，該演算法包含了兩個重要方面：一是提出了採用倒指數曲線來描述的放大因子，可以有效地防止早熟；二是設計出了相應的隨機選擇策略和擾動策略，避免演算法陷入停滯。
  5. The author uses comparison theorem for stochastic differential equations to explore the limit behavior of one - dimentional discontinuous dynamical system with small random perturbations

    作者利用隨機微分方程的比較定理，確定間斷動力系統在小隨機擾動下的極限分佈。
  6. Third, on the condition that demand may fluctuate randomly, the paper studies the pricing methods to the information production, emphases studies methods of production determining and pricing upon condition that the demand function of the information production is linearly. considering the monopoly of the information production, this paper studies the problem of third - degree discrimination pricing in the scenario of no capability limit and in the scenario of capability planning respectively. in every scenario, we present decision methods of third - degree discrimination pricing for producing according to order form and for no ordering respectively

    三、信息產品的市場需求函數可能發生隨機擾動，本文對在需求函數發生隨機擾動的情形下信息產品廠商如何進行定價進行了研究，並重點研究了信息產品需求函數具有線性結構時產量和價格的決策問題；同時考慮到信息產品的壟斷性，分析了當信息產品壟斷廠商擁有幾個相互隔離的子市場時，如何對其產品進行三度差別定價，具體的研究針對信息產品廠商在「沒有生產容量限制」和「要求生產容量設計」兩種情形下展開，在每一種情形下，又分「按訂單組織生產」和「沒有訂單可以利用」兩種情況分別進行研究，給出了信息產品三度差別定價決策的模型和求解。
  7. Upper semi - continuity of attractors for multivalued semi - flow under random perturbation

    多值半流的吸引子在隨機擾動下的上半連續性
  8. The effects of monetary policy, fiscal policy and stochastic shocks on economic growth were discussed in the end

    並討論了貨幣政策、財政政策和隨機擾動對經濟增長的影響。
  9. One of the important hypotheses of classical linear regression model is that the random disturbances have equal variance

    經典線性回歸模型的一個重要假設就是回歸方程的隨機擾動項u _ i ，具有相同的方差，也稱同方差性。
  10. Based on the randomized method, a randomized method with pretreatment is obtained for the design problem of fir digital filters with discrete coefficients

    結合隨機擾動方法，得到了求解離散系數濾波器設計問題的一種帶預處理的隨機擾動演算法。
  11. Compared with the conventional randomized method, the randomized method with pretreatment often yields a better sub - optimal performance and costs less cpu time

    與隨機擾動方法相比，帶預處理的隨機擾動方法得到的次優解的性能更好，需要的時間也大大減少。
  12. Meanwhile, caused by the stochastic disturbances and measurement errors, monitoring model based on single measurement value of individual sampling time tends to lack credibility and stability, and can ' t reflect the overall phase - specific operation state

    同時，由於各種隨機擾動的影響及測量誤差的存在，針對單一采樣時刻的過程測量值進行建模往往不能保證足夠的可靠性與穩定性，無法實時反映過程時段整體運行情況。
  13. Substantively, the complexity that water level is influenced by all of the factors and their strong nonlinear random disturbance. for controlling the variance of model error to reduce the errors, we need to separate the market random disturbances from the random error

    實質上沖淤河道水位表現的復雜性是由於其中存在著很強的非線性隨機擾動，因此需要有效分離出顯著性隨機擾動，以抑制模型誤差的方差，達到減小誤差的目的。
  14. The new model develops the advantages of accumulation generation in the grey forecasting method, weakens the effect of stochastic - disturbing factors in original sequence, strengthens the regularity of data, and avoids the theoretical defects existing in the grey forecasting model

    新模型發揮了灰色預測方法中「累加生成」的優點，弱化了原始序列中隨機擾動因素的影響，增強了數據的規律性，同時避免了灰色預測方法及模型存在的理論缺陷。
  15. Results of these researches indicate that adaptive control can efficiently reduce system ' s influences caused by model ' s uncertainties, stochastic disturbances, and quantified measuring noises. meanwhile, adaptive control can help the steering system acquire excellent performances of power - assisted and portability characteristics ; the suspension system has a good performance of reducing vibration, and can improve dynamical character of a full vehicle

    研究結果表明，自適應控制能夠有效解決模型的不確定性、隨機擾動和量測噪聲對系統的影響，使轉向系統具有良好的助力性能和轉向輕便性，懸架系統具有較優的減振性能，從而改善了整車動力學性能。
  16. By virtue of the stochastic bifurcation theory, the transition of the atom movement at a crack tip in fatigue damage system is investigated. using the singular point theory of one - dimensional diffusion process and the stochastic averaging approach of energy envelope, a micro - model to describe the atom movement at the crack tip in homoclinic bifurcation fatigue damage system, which is in the presence of stochastic perturbation, is established. after the study on the characteristic of the diffusion exponent, the drift exponent and the character exponent of the fatigue damage diffusion process on singular boundary, the bifurcation behavior of a homoclinic bifurcation fatigue damage system, which is in the presence of parametric white noise, is examined

    採用隨機分叉理論，探討疲勞損傷系統裂尖粒子運動性質突變.利用一維擴散過程的奇點理論，並結合能量包絡的隨機平均法，建立了隨機擾動的疲勞損傷同宿分叉系統裂尖粒子運動模型，通過研究奇異邊界的擴散指數、漂移指數以及特徵指數特性，考查疲勞損傷裂尖粒子運動的同宿分叉系統受參激白噪聲影響的分叉行為
  17. We introduce a model of random birefringent single mode fibers, and the general nonlinear propagation equations of dual - lightwaves in random birefringent fibers are deduced. the characteristics of polarization mode dispersion in 2 + 10gb / swdm system is studied. it is found that pmd in wdm system can be effectively suppressed by the synchronous modulation technique

    我們引入了隨機擾動雙折射單模光纖模型，導出了雙波長的光波在隨機雙折射光纖中的非線性脈沖傳輸方程；在此基礎上，研究了偏振模色散對2 10gb swdm系統中脈沖序列傳輸的影響，並採用同步幅度調制控制技術有效地降低了偏振模色散的影響。
  18. Spectral method and spectral element method are both used in the present dns. the flow is developed from an initial velocity field whose mean and root mean square values are fitted to the experimental data. the reynolds number of the flow is 2250 based on the mean velocity and the radius of the pipe

    本文在空間離散上採用譜方法和譜元法的結合，通過在圓管層流速度剖面上疊加隨機擾動作為初始場的方法，計算了管長為，平均雷諾數為2250的光滑圓管內的湍流流動，建立了圓管內較低雷諾數下速度場和壓力場的數據庫。
  19. An equivalent integral programming model and a new semidefinite programming relaxation for the max - bisection problem are given. then, we solve the relaxation with a projected gradient algorithm. coupled with the randomized method, an approximate solution of the max - bisection problem is obtained

    2 .給出圖的最大二等分問題的整數規劃模型的等價模型及其新的半定規劃鬆弛模型，利用投影梯度演算法求解該半定規劃鬆弛模型，然後利用隨機擾動演算法求得原問題的次優解
  20. The stochastic disturbance is brought to the deformable models and the simulated annealing is introduced to the iteration process. a new algorithm named sa snake ( simulated annealing snake ) is proposed. the algorithm has the ability to search globally

    為了解決這個問題，我們在可變形模型中加入隨機擾動因素，考慮在迭代過程引入模擬退火的思想，提出了一種稱之為基於模擬退火的可變形模型sasnake （ simulatedannealingsnake ）的新演算法，演算法具有全局搜索能力。
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