無偏方差 的英文怎麼說

中文拼音 [wúpiānfāngchā]
無偏方差 英文
unbiased variance
  • 無 : 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...
  • 偏 : Ⅰ形容詞1 （不正; 歪斜） inclined to one side; slanting; leaning 2 （只側重一面） partial; prejudi...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  1. The algorithm for finding cirtical value of normal population variance under unbiassed tests with uniform dominance

    求正態總體方差的一致最優化無偏檢驗的臨界值的演算法
  2. This paper proposed an algorithm for finding critical value of normal population variance under unbiassed tests with uniform dominance

    本文給出了求正態總體方差的一致最優化無偏檢驗的臨界值的演算法。
  3. Abstract : this paper proposed an algorithm for finding critical value of normal population variance under unbiassed tests with uniform dominance

    文摘:本文給出了求正態總體方差的一致最優化無偏檢驗的臨界值的演算法。
  4. Kalman filter is the best estimate under the linear and unprejudiced least mean square error rule

    卡爾曼濾波是線性無偏最小方差準則下的最優估計。
  5. Robustness of minimum norm quadratic unbiased estimator of variance for the general linear model

    一般線性模型下方差最小范數二次無偏估計的穩健性
  6. Robustness of minimum norm quadratic unbiased estimator of variance under the general linear model

    一般線性模型下方差的最小范數二次無偏估計的穩健性
  7. This formula used inverse regression and data fusion technical and maximum likelihood theory, then this method enabled random sample value obtained in ultrasonic and rebound method of different detection population to mix together effectively, and reach estimation of concrete strength

    該公式利用逆回歸理論、數據融合技術和最大似然原理，將回彈值和聲速值分別看作被解釋變量，將來自超聲法和回彈法不同量綱的檢測數據進行有效融合，得出混凝土強度的推定值，該推定結果具有無偏性和方差最小性質。
  8. 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。
  9. 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

    在無偏性和均方誤差最小的意義下，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。
  10. 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隨機反演結果具有無偏性、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，考慮先驗信息誤差的bayes隨機反分析方法具有較好的適用性。
  11. In the third section three different forms of heteroscedasticity are used in the random simulation and then park test, glejser test and goldfeld - quandt test are compared although the existence of heteroscedasticity does not destroy the unbiasedness of the ols estimators, the variances become larger

    異方差的存在雖然並不破壞普通最小二乘估計量的無偏性，但是估計量的方差變大了。由於估計量方差的變大，就使通常假設檢驗的值不可靠。
  12. 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誤差密度f （ x ）的估計當中去，在適當的條件下，證明了誤差密度的加權核估計（ ? ） _ （ n1 ） （ x ）的強相合性、弱相合性及漸近無偏性。
  13. 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，在預測均方誤差意義下，得到了廣義壓縮型預測優于最佳線性無偏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無偏預測的一個充分必要條件
  14. With the increase of variance, the difference in h - polarized or v - polarized incident wave and in the different mean cross sections is becoming gradually small until when the variance is infinity namely the rotatory axes of the group are uniformly oriented : at this time the different mean cross sections are independent of the polarized status of incident wave

    隨著方差的增大，入射波水平偏振和垂直偏振時的各平均截面的差異逐漸減小，減小到直至方差為無窮大時，即與粒子群取向的均勻分佈的情況相同，此時各平均截面與入射波的偏振狀態無關。
  15. After contrasting and analyzing the two common used measure method of discontinuity, a modified method that is elaborate method of joint surveying is put forward for the first time. rational method to get spacing of joints is researched utilizing lots of statistical results. according to the theory of minimal valid length of scanline, 5m is chose as appropriate statistical section length to obtain the successive values of those indices indicating rock mass structure, they are spacing, number and total length of joint

    本文在對比分析目前兩種常用的結構面測量方法優缺點基礎上，首次提出了一種改進的結構面測量方法?節理詳細精測法，並利用大量的統計結果，研究合理的間距取值方法，根據間距無偏差測量的最小有效測線長度理論，選擇5m作為統計區間長度，獲得了節理間距、條數、總長度隨洞深的連續變化值。
  16. Furthermore, we propose a parallel strategy to solve the multiple templates, multiple images " matching. then, we propose a skew estimation and rectification algorithm, in which wavelet transform is used ingeniously. we get horizontal edges and vertical edges simultaneously, and compute the sum of edge projections " variance in these two directions as no - skew measure

    本文提出了基於圖象規則邊緣結構的偏斜糾正演算法ser ，該演算法巧妙地應用了小波變換，同時得到水平和垂直兩方向上的邊緣分量，求取兩方向邊緣投影的方差之和作為無偏斜度量。
  17. This paper uses arch model method in econometrics to set up an auto - regression model with different variance characteristic, which catches to the signal of herd behavior that can be comparatively sensitive. basing on the sample stocks of the index 180 of sse for studying sample, author conduct empirical tests on the non - linear relations between csad ( cross - sectional absolute deviation of returns ) and the market returns to judge whether the herd behavior in the stock market of china is remarkable. according to the empirical analysis, author finds, both in the up - market and down - market, certain herd behavior exist on the stock market of our country

    本文運用計量經濟學中的arch模型方法，建立了一個能較為敏感的捕捉到羊群行為信號的具有異方差特性的自回歸模型，以上證180指數樣本股為研究樣本，通過檢驗個股截面收益的絕對偏差（ csad ）與市場組合收益的非線性關系，來判斷我國股市羊群行為是否顯著，通過實證分析，我們發現，無論是市場上漲階段還是下跌階段，我國股市都存在一定的羊群行為，同時，本文通過比較分析，對實證結果進行深入的剖析，對羊群行為的形成原因進行簡要的分析，並對如何控制羊群行為提出了一些政策性建議。
  18. Those high risk students were not significantly different from their ordinary peers on aggression, internet - relevant crimes, and other common delinquent behaviors

    在偏差行為方面，網路成癮高危險群在暴力攻擊行為、網路犯罪行為、其他常見偏差行為三項皆和一般青少年無顯著差異。
  19. Uniformly minimum variance unbiased estimate

    方差一致最小無偏估計
  20. Therefore, each sum of squares of deviations is the times of the consisitent and unbiased estimate of variance. so, if the division is reasonable, the sum of squares of deviations attained through the data to be grouped and the one attained through history data should be very close

    這樣，由於每個類內離差平方和為該數據所屬分佈的方差的相合且無偏的估計的倍數，故如果分類合理，則由待分數據得到的離差平方和應與由歷史數據得到的離差平方和相接近。
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