最小方差英文怎麼說

最小方差 的英文翻譯

最小方差 例句

1. For a general linear model ( input matrix is deterministic ), under a certain conditions on variance matrix invertibility, the two estimates can be identical provided that they have the same priori information on the parameter under estimation. even if the above information is unknown only for the optimally weighted ls estimate, the sufficient condition and necessary condition, under which the two estimates are identical, is derived. more significantly, we know how to design input of the linear system to make the performance of the optimally weighted ls estimation identical to that of the linear minimum variance estimation in case of being lack of prior information
   在一般線性模型（即輸入矩陣為確定性）下，當兩種估計都利用有關被估參數的先驗信息時，二者在 方 差 陣可逆的一定條件下可達到一致；當 最 優加權 最 小 二乘估計不利用此先驗信息時，存在二者一致的充分條件和必要條件，進而找到一種設計輸入矩陣的 方 法，使得在先驗信息缺乏的條件下，仍可利用 最 優加權 最 小 二乘估計達到與線性 最小方差 估計一樣優越的估計性能。
2. Based on the linear unbiased minimum variance estimation theory, an asynchronous fusion algorithm that fused the state vector of linear system with arbitrary correlated noises is developed
   摘要基於線性無偏 最小方差 估計理論，提出了一種任意相關雜訊線性系統非同步狀態向量融合演算法。
3. This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly
   提出了一種簡單、易於實現的恆定束寬波束形成器設計 方 法，該 方 法對陣形和陣元指向性沒有任何限制；分別提出了基於陣列接收數據重采樣、基於dft插值和自適應綜合的三種具有頻率不變波束圖的寬帶波束形成器設計 方 法，對于每一種設計 方 法都給出了一個設計實例並做了性能分析；提出一種基於dft插值的簡化線性約束 最小方差 寬帶自適應陣列演算法，該 方 法可以大大降低自適應陣列的運算量。
4. The essential idea was that an incomplete data set including missing values was partitioned into several fuzzy clusters by using local principle component with least variance, and through solving the general inverse matrix of the data to obtain the principle components of each sub - clusters, the missing values in clusters could be estimated based on local principal components utilizing a simple linear model
   其基本思想是，先利用具有 最小方差 的局部主成分，把包含有遺漏值的不完備數據集劃分成多個模糊聚類，然後通過求解廣義逆矩陣來獲得各個子聚類的主成分， 最 終在局部主成分的基礎上通過簡單的線性 方 程模型去佑計聚類中的遺漏值。
5. Two industrial distillation column examples are given to illustrate the methods of control system performance assessment, and the results reveal its efficiency and feasibility
   分析結果表明， 最小方差 準則是控制器性能評價 方 面的一個有效和可行的基準。

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