無偏誤差 的英文怎麼說

中文拼音 [piānchā]
無偏誤差 英文
unbias error
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 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Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 誤差 : error
  1. Aiming at regression analysis of prediction variable with error, this paper discusses the estimation of regression of coefficient, and a method is given

    林業科學試驗的預測模型中往往帶有測量,此時回歸系數的估計不具有性。為解決這一問題,從合理安排試驗的角度,給出了一個有效的解決辦法。
  2. Third, the accuracy of parameter estimate methods for the 2 - parameters weibull distribution and four different estimate methods for failure time based on the life of fixed time measurement are discussed

    性和均方最小的意義下,得出了上述估計方法的優劣,為定時截尾、定時測試試驗數據下的可靠性分析奠定了基礎。
  3. The conclusion is that the back analysis results have the character of unbiasedness, efficiency and consistency. bayes random method which considers the prior errors is better in the back analysis of embankment dam ' s nonlinear materials

    結論認為bayes隨機反演結果具有性、有效性和一致性的特點;在土石壩等非線性材料反演分析中,考慮先驗信息的bayes隨機反分析方法具有較好的適用性。
  4. This paper studies mainly the theories of the semi - parametric regression model : ( 1 ) under proper conditions, using random weighted way to the estimator of the error density f ( x ) of the semi - parametric regression model, this paper proved the strong and weak consistent and the asymptotic unbiased property of the weighted kernel estimation fn1 ( x ) of the f ( x )

    本文對半參數回歸模型:主要做了以下三個方面的理論研究: ( 1 )將隨機加權法應用到半參數回歸模型的密度f ( x )的估計當中去,在適當的條件下,證明了密度的加權核估計( ? ) _ ( n1 ) ( x )的強相合性、弱相合性及漸近性。
  5. Abstract : the generalized shrunken prediction of finite population is introduced, using generalized shrunken least squares estimator of linear regression models. with respect to prediction mean squared error, a necessary and sufficient condition for superiority of a generalized shrunken prediction over the best linear unbiased prediction is obtained. in the case of linear combination of every unit index, a linear restricting prediction is introduced and then a necessary and sufficient condition for superiority of linear restricting prediction over the best linear unbiased prediction is devived

    文摘:利用線性回歸模型的廣義壓縮最小二乘估計,引入了有限總體的廣義壓縮型預測,在預測均方意義下,得到了廣義壓縮型預測優于最佳線性預測的一個充分必要條件;在只能得到每個個體指標的線性組合時,引入了一種線性約束型預測,並得到了線性約束型預測優于最佳線性預測的一個充分必要條件
  6. The results indicate that : with sa, the position precision of the integrated system, whose gyro drifting is 50 degree / hour and whose accelerator offset is 0. 001g, is 60 meters, its velocity precision is about 1. 75m / s out and its attitude angle precision is about 0. 25 degree. without sa, the position precision is about 20 meters, its velocity precision is about 0. 5m / s and its attitude angle precision is about 0. 1 degree. when the signal of gps is lost, the growing rate of the integrated system error is much lower than that of sins system

    模擬結果表明:對于陀螺漂移為50度/小時、加速度計零為0 . 001g的組合系統,在有sa的情況下,位置精度大約為60米,速度精度大約為1 . 75米/秒,姿態角精度大約為0 . 25度;在sa的情況下,位置精度大約為20米,速度精度大約為0 . 5米/秒,姿態角精度大約為0 . 1度;在gps信號丟失時,系統的增長速度比純sins系統明顯減緩。
  7. To absorbing some excellent people from various class to improve the party ' s class foundation and to enlarge its mass foundation during this process, we accumulated some successful experience : firstly, every constituent of our party should adapt to each other and develop harmoniously ; secondly, the organization structure of our party should be regulated timely following the changes of her target and task ; thirdly, the problem of cadre was crucial to the development of her organization, and then we should treat this problem seriously and put it into practice

    從主觀上講,黨對自身組織結構的發展還存在一些認識上的區,比如黨員社會構成的合理性問題、黨組織建構原則問題、機構設置的科學性問題等,正因為對這些問題的認識,致使黨的組織結構發展走了許多彎路。 (三)過去八十多年的黨組織結構發展歷程,論是坦途還是彎路,累積下來的論是經驗還是教訓,對我們未來的黨組織結構發展來說,都是一筆寶貴的財富。
  8. This algorithm improves confidence in se by estimating parameters and states at the same time. simulation results on test power systems which range in size from 4 to 118 buses, have shown the virtues as follows : getting unbiased estimation without detecting and identifying bad data in measurements ; solving state and parameter estimation for power system with good convergence and excellent robust property ; increasing the numbers of iterations a little bit with the test systems expanded ; estimating many transformer taps simultaneously and remaining the main state estimation ; keeping the estimated relative error within + 0. 1 % and processing efficiently equality constraints and ill condition with polynomial complexity

    對ieee ? 4 118節點系統和廣西主網進行的模擬結果表明: l1范數估計具有不良數據拒絕特性,當量測量中存在不良數據時,該演算法在不經檢測和辨識不良數據情況下仍是估計,具有良好收斂性,所需迭代次數隨著問題規模擴大而增長極小;能夠同時估計多個變壓器抽頭,並保持狀態估計主體;在滿足可觀測性條件下,估計的相對保證在0 . 1以內;能夠有效處理等式約束和病態條件,並具有多項式時間性。
  9. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三心蝶閥的動水力矩,比較大,本文根據三心蝶閥的結構特點,利用理想流體的定常、旋流動的假定,用有限分法在直角坐標系中求解拉普拉斯方程,得到蝶板截面上的壓力分佈,從而計算出蝶板在各個開度下的動水力矩,設計出了求解的程序,給出了程序運行的結果並進行了數據處理從而得到了動水力矩曲線,總結了它的變化規律。
  10. With its application area extension and the rapid development of modern unmanned aerial vehicle ( uav ), the large size and high power consumption become the problem of existing mhs. furthermore, the high cost of deviation compensation and error correction is another problem

    隨著磁航向應用領域的拓寬和人機技術的發展,已有的磁航向測量系統面臨的體積、重量、功耗大和調試、補償復雜、費用高等問題亟待解決。
  11. After the analysis results are checked against the experimental results and, it is founded that a satisfactory agreement is obtained in elastic phase and a discontented agreement is gained in plastic phase since the influence of residual stress, degradation of cross - sectional stiffness and the spread of plastic zone length cannot be taken into account in plastic hinges theory

    程序計算結果與試驗值相比,彈性階段吻合得較好,塑性階段由於塑性鉸法法考慮殘余應力、剛度硬化以及塑性區長度的發武漢理工大學博士學位論文展等因素,因此與試驗值相比大。
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