stochastic disturbance 中文意思是什麼

stochastic disturbance 解釋
隨機擾動
  • stochastic : adj. 1. 機會的；有可能性的;隨便的。2. 【數學】隨機的。
  • 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 part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。
  2. Secondly, germany high - speed spectrums with weak disturbance are adopted to simulate the stochastic rail irregularities

    其次，基於歐洲低干譜，模擬了軌道不平順樣本。
  3. Simulation and computation results have shown that the optimal pid controller provides good control performance in terms of stochastic disturbance rejection, set - point tracking, and strong robustness. 4

    模擬結果表明綜合尋優得到的pid控制器在抑制隨機干擾和設定值跟蹤方面有良好的控制性能，也有很好的魯棒性。
  4. In the article, a self - learning stochastic method based on the statistical pattern recognition is presented for attitude control under the disturbance of blind mixed gaussian white noises

    摘要本文提出一種基於統計模式識別，針對盲混合高斯白噪聲干擾下衛星姿態控制的方法。
  5. Combines the parallel character of multiple population pseudo parallel evolution with inner stochastic character of chaos movement, applying different chaotic disturbance strategies, taking chaos ' variable measure map mechanism into population initialization or middle populations fulfilled function optimization

    把多群體偽并行進化的并行性和混沌運動的內在隨機性結合起來，利用不同的混沌擾動策略，把混沌變尺度映射機理應用到種群初始化和中間群體的優化進化實現函數優化。
  6. First, using the scale - invariant property of multiscale model, i. e. markovian among scales, a method of qth - order tree - based for multiscale representation of a class of 1 - d stochastic process is presented. the multiscale stochastic model is established. the representation forms of parameter matrices, such as, the state transition matrix, the disturbance matrix, the initial state and the corresponding covariance matrix are deduced in detail

    本文在已有工作的基礎上，開展了以下幾個方面的研究工作： 1 、根據多尺度模型尺度不變性，即利用尺度間的markov性，給出了一類1 - d隨機過程基於一般q階樹的多尺度表示方法，建立了相應的多尺度動態模型，詳細推導了多尺度模型中的狀態轉移陣、擾動陣、初始狀態和相應的協方差陣，並通過計算機模擬給出了不同階樹的多尺度采樣路徑。
  7. Secondly, the characteristics of rc have been studied profoundly when disturbance is stochastic

    其次，研究了非諧波次干擾下的重復控制器特性。
  8. Analysis shows that they can be considered as the stochastic process around some working state under the disturbance inpllt of gauss white noise

    分析表明，它們可看作是在高斯白噪聲干擾輸入下的圍繞工作點附近來回波動的隨機過程。
  9. Abstract : the most critical task in designing a model based on predictive controller is identifying a reasonably good process model. the identification model of mould level of a continuous casting line in a steel plant is very difficult. due to the extremely high stochastic disturbance level, well - known parametric identification methods using random step function, prbs or stochastic test inputs are not successful. the present method based on orthogonal test inputs gives satisfactory results

    文摘:在設計一種基於預測控制器模型時，最關鍵的工作是識別一個合理可靠的過程模型.在鋼鐵廠的連續鑄造線上識別鑄模液位模型是很困難的，由於極高的隨機干擾水平，使得眾所周知的隨機階躍函數， prbs或隨機試驗輸入等參數識別方法都以失敗告終.而本文介紹的基於正交檢測的方法給出了令人滿意的結果
  10. 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。
  11. The lpr system processes the natural image with stochastic disturbance. the paper presents a pretreatment method able to solve the problem that the image contrast degree is too lower to our eyes because of unconstrained illumination conditions. single character image segment means that the whole license plate image will be divided into several little parts and then followed by character recognition

    系統面對的是從實際場景中切割出來的車牌圖像，伴隨著很多的隨機性干擾，本文提出的針對車牌圖像的預處理過程對灰度圖像可以達到較好的處理效果，而且在一定程度上解決了由於外界光照而造成的車牌圖像對比度低的問題。
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