誤差協方差 的英文怎麼說

中文拼音 [wùchāxiéfāngchā]
誤差協方差 英文
error covariance
  • 誤 : Ⅰ名詞（錯誤） mistake; error Ⅱ動詞1 （弄錯） mistake; misunderstand 2 （耽誤） miss 3 （使受損害...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 協 : Ⅰ形容詞（共同） joint; common Ⅱ動詞（協助） assist; help; aid
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 誤差 : error
  • 方差 : dispersion
  1. In collaboration with the department of physicis and material science of the city university of hong kong and the electronic and engineering department of the chinese university, the faculty of medicine has conducted research on different aspects of computer - aided navigation such as brain shift prediction with finite element model, three - dimensional ultrasound based correction for brain shift, accuracy verification, robotic system, surface identification and matching

    通過與香港城市大學物理及材料科學系及香港中文大學電子工程學系的協作，我們正發展電腦輔助的神經導航技術的多方面研究，例如，採用有限元模型預測腦偏移；除去腦偏移的誤差的立體超聲檢查技術；手術準確性的證實；腦表面區域的定位。
  2. When compared with single factor analysis of variance, covariance analysis reduced efficacy evaluation error resulting from uneven weed distribution in the field

    結果表明，與按單因素試驗方差分析相比，協方差分析方法可以減小因雜草田間分佈不均勻而導致的調查誤差。
  3. First, proper initial conditions between ekv and target are the premise of hit - to - kill. capture region is described by equations of relative motion defined in modified polar coordinate while phasetrajectory graph is introduced. and the disturbance of initial condition biase is analyzed by cadet through statistical linearization of ekv dynamical model

    本文在修正極點坐標系中建立攔截器和目標之間的相對運動方程，結合相平面軌跡圖，分析了大氣層外動能攔截器的攔截區;對大氣層外動能攔截器動力學模型進行統計線性化，採用協方差分析描述函數法，分析了初始狀態誤差對彈道的影響。
  4. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  5. Based on the multi - scale representation theory, we present a reduced order model for the solving of the inverse problem. also the relative error covariance matrix is used to analyze the performance of models with different orders ; 4

    基於小波多尺度表示理論給出逆問題求解的多尺度降階模型，同時用相對誤差協方差矩陣對階數不同的降階模型的估計精度進行分析； 4
  6. By the definition of incremental error quaternion in the propagation equation of the full rank covariance matrix is derived, consequently the singularity of the covariance matrix caused by the constraint on the quaternion normalization is maintained

    並且通過定義增量誤差四元數，推導出滿秩空間中誤差協方差陣的傳播方程，解決了由於四元數正交約束所造成的協方差陣奇異性問題。
  7. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中，提出了多步廣義梯度法和多層曲線擬合的建模方法，並用微分方程穩定性理論證明了多步廣度梯度法收斂性，用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  8. Secondly, the author firstly demonstrates that the demand regulatory policy could keep the currency value correspondingly stable and make economy go up more quickly, employing the image diagram of curves. and then the author effectively demonstrates that the relativity of between price, output and monetary aggregates is closer, employing co - integrated theory, the vec ( vector error correction ) model and the variance decomposition method for analyzing quarterly data from 1996 to the third quarter of 2005

    其次，在運用形象的曲線圖分析現階段需求管理政策可以使我國在保持幣值相對穩定的條件下實現經濟較快增長的基礎上，運用協整檢驗、 vec （向量誤差校正）模型和方差分解方法分析了1996年以來貨幣供應量、物價和產出的季度時間序列，有力地論證了貨幣供應量與物價、產出間具有較強的相關性。
  9. The third part is the core of paper, which mainly includes the determination of i & e elastic model and data selection, the data unit root test, co - integrated test, the vector error correction model as well as the relations between real effective exchange rate and the economic growth of the research on these aspects

    第三部分即論文的核心。主要包括進出口彈性模型的確定與數據的選取，數據的單位根檢驗，協整檢驗，誤差修正模型的建立以及實際有效匯率與經濟增長關系的研究這幾個方面。
  10. Through applying the three methods of term structure estimation to the construction of zero - yield curve and to the pricing of zero - bond, zero - bond option, coup bond, interest rate swap, interest rate swap option, interest rate cap, interest rate floor, forward rate agreement. comparing the calculation errors of the three methods of term structure estimation

    通過將這三種期限結構估測方法應用於零息收益曲線構造，應用於零息國債及其期權、附息債券、利率互換、利率互換期權、遠期利率協議、利率上限、利率下限等利率衍生產品價格的估測，並比較所估測結果的誤差，得出的結論是：三種期限結構估測方法會導致在計算不同利率衍生產品價格時產生差異。
  11. This method constructs covariance matrix by utilizing data vectors in different range lines and projects phase error vector into noise sub - space which is formed by eigendecomposing the covariance matrix

    該方法利用不同距離單元的觀測矢量構造協方差矩陣，然後通過對協方差矩陣特徵分解得到噪聲子空間，最後將相位誤差矢量向噪聲子空間投影來估計多普勒調頻率。
  12. Three schemes of axisymmetric problems are given. secondly, axisymmetric element with energy compatibility is constructed in detail. the performance of this axisymmetric element is discussed by numerical examples

    本文然後通過優化組合參數近似實現零能誤差的方法，分別對8參數能量協調軸對稱元ach8和近似能量協調軸對稱元rach8進行了優化。
  13. It can save many workloads of the next pick - up feature and feature matching. to suffice third dimension effect and reconstruction precision, first, obtain enough feature points by feature picking - up, and then use original matching arithmetic to obtain original matching points by taking covariance as comparability measurement. at last, match step by step that include use loose matching and lemds to remove the wrong matching points

    為滿足真實感效果和重建精度，本文先通過特徵提取和交叉匹配獲得足夠多的特徵點;然後對採集到的特徵點以協方差為相似性度量，利用初始匹配演算法獲得初始匹配點集合;對匹配過程中產生的錯誤匹配點採用鬆弛匹配和最小中值法相結合的方法，進行分步匹配來剔除，滿足了精度要求。
  14. Mastering the output format of covariance of neutron cross section in endf / b - 6 evaluated nuclear data library, clearly understanding the meaning of each physical quantity, grasping the mathematical methods pf covariance for experimental nuclear data and evaluated nuclear data, a set of evaluation processing method was deduced from the meaning of cross sections and errors. and then a program was developed for evaluating and processing the covariance matrix of experimental data, which are output in the endf / b - 6 format

    在熟悉endf / b - 6評價中子核數據庫協方差文檔的格式要求，確定各個量的物理意義，並掌握實驗和評價數據的協方差數學處理方法的基礎上，由截面數據及截面誤差的物理意義，推出了一套合適的評價處理方法，最後編寫了按endf / b - 6格式輸出的協方差數據評價處理程序，作為中國評價中子核數據庫（ cendl ）協方差文檔的數據輸出程序。
  15. We analyses the different result of pca by using autocorrelation matrix and covariance matrix, and point out that the express of pca is different but the error are the same

    分析了用協方差矩陣和自相關矩陣得出的pca表達是不同的，但是兩者的誤差是相同的。
  16. A recursive algorithm of error covariance matrix of moving horizon estimation

    滾動時域估計中先驗估計誤差協方差陣的遞歸演算法
  17. We highlight the key points of this dissertation at the end of this charter. in chapter 2, a modified projection transformation method is presented, which utilizes preliminary estimation of interference doa. it is demonstrated that the side lobe performance of adapted antenna patterns can be significantly improved with this method and increased convergence rate of adaptive algorithm when the array manifold is not known exactly

    針對投影預變換在大信噪比時性能下降的缺點，提出了一種改進的基於投影預變換自適應波束形成演算法，通過對陣列協方差矩陣進行降維處理，既可抑制擾動誤差又可降低運算量，增強陣列的sinr輸出，具有良好的波束合成性能和較快收斂速度。
  18. A sub - optimal kalman filter is presented in chapter 3, and the relative error covariance matrix ( recm ) is introduced to evaluate the performance of the fusion process ; 3

    給出一種多傳感器分散式次優kalman濾波器，並以相對誤差協方差矩陣作為量化指標，對該濾波器的融合效果進行評估； 3
  19. When the observation noise is temporal correlation, kalman filter will not be able to achieve optimization, and its covariance matrix will be wrong

    在觀測噪聲不滿足時間不相關的假設情況下，卡爾曼濾波將達不到最優濾波效果，並且其誤差協方差陣也是錯誤的。
  20. Some modeling of maneuvering target tracking is introduced in this thesis, and current statistical model is used as a basic target model. the arithmetic of kalman filtering based on the model is listed. on the foundation of state vector optimal estimation error matrix theory, the arithmetic of optimal estimation is presented, and target tracking simulation is taken

    本文首先介紹了幾種常用的機動目標跟蹤模型，並把現在較為常用的「當前」統計模型作為本文研究的目標模型，並列出了基於該模型下的卡爾曼濾波演算法;此外，在狀態矢量最優加權估計理論的基礎上，引入了目標狀態最優估計誤差協方差矩陣，提出了一種最優加權估計演算法，並進行了目標跟蹤模擬。
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