無偏估計 的英文怎麼說

中文拼音 [wúpiāngūjì]
無偏估計 英文
u iasedestimation
  • 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...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時，眾多文獻討論了回歸系數陣的各種估計及lse的有效性，本文考慮了當0的情形，給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計（ blue ） ，研究了它的一個最大概率性質，並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件，在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計，定義了lse相對于blue的一個相對效率，並給出了它的界。
  2. 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
  3. 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
  4. Futures price is the unbiased estimate of expected spot price, which is based on the function of risk transferring

    期貨價格是未來現貨價格的無偏估計，這是建立在風險轉移功能基礎之上的。
  5. Monte carlo simulations were conducted to study the new approaches of qtl mapping, the results indicated that general least squares ( gls ) method, which was widely applied in mixed linear model, could unbiasedly estimate all genetic main effects, including additive effects, dominance effects and epistatic effects of additive by additive, additive by dominance, dominance by additive, dominance by dominance. the interaction effects between genetic main effects and environments could also be predicted unbiasedly by linear unbiased prediction ( lup ). the heterosis prediction based on qtl effects was also unbiased

    對新提出的qtl分析方法進行了montecarlo模擬研究，結果表明，廣泛應用於混合線性模型的廣義最小二乘法（ gls ）能夠無偏估計加性效應，顯性效應以及加加、加顯、顯加、顯顯上位性效應等各項遺傳主效應；運用線性無偏預測法（ lup ）能夠無偏預測上述各項遺傳主效應與環境的互作效應；基於qtl效應的雜種優勢預測也是無偏的。
  6. The robustness of bayes linear unbiased estimations under misspecified prior assumption

    線性無偏估計的穩健性
  7. The unbiased predicted value or estimated value of gene main effects and gene treatment interaction can be used as precursor to clustering to make sure the inputs are statistically meaningful and of biological interest

    對基因主效應的無偏估計值和基因與處理互作效應的無偏預測值進行聚類可以獲得具有統計學和生物學意義的結果。
  8. Enlightened by the idea of aic, this paper treats the data of the same group as samples of certain distribution. in this way, it determines the number of groups by seeking the asymptotically unbiased estimate of kullback - leibler information

    在aic準則思想的啟發下，將應該同屬於一個分類的數據看作是在某一分佈中抽取的樣本，從而通過求kullback - leibler信息量的漸近無偏估計而達到確定類數與數據分類的目的。
  9. Uniformly minimum variance unbiased estimate

    方差一致最小無偏估計
  10. The proposed method can provide unbiased estimate of the ms ' s position. it is characterized by high efficiency and small memory volume requirement

    該方法對移動臺位置的估計是一種無偏估計，具有存儲量小、摘要定位效率高的特點。
  11. In this paper, we discussed the procedures of quantiles, maximum - likelihood, probability weighted moments, moments, least square, the best linear unbiased estimate, good linear unbiased estimation, and the best invariant estimate to the parameters of gumbel distribution, then give out the expectation and variance - covariance respectively. we compared the statistical behavior of these eight estimate procedures not only theoretically but also in the monte - carlo simulation

    本文利用分位數法、極大似然法、概率加權矩法、矩法、最小二乘法、最佳線性無偏估計法、簡單線性無偏估計法、最好線性同變估計法對gumbel分佈中的參數進行估計，分別給出了這八種估計量的期望、方差和協方差。
  12. Abstract : based on signal processing theory about high - order cumulants ( hoc ), a fast, inexpensive and unbiased cumulants estimation approach is proposed for the detection of multifrequency signals between offices connected to telephone networks

    文摘:基於高階累積量的信號處理理論，提出了一種快速、簡便且無偏估計的方法對多頻信號進行有效的檢測。
  13. 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無偏估計，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，估計的相對誤差保證在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。
  14. Canonical correlation coefficient and the best linear unbiased estimation

    典型相關系數與最佳線性無偏估計
  15. Extension of the uniformly minimum variance unbiased estimation of a class of multivariate linear model

    一類多元線性模型的一致最小方差無偏估計的推廣
  16. Latest progresses on some fundamental and important problems about information fusion in sensor networks are presented, including the multisensor distributed decision in the most general case in the sense of globally optimal fusion ; the optimal dimension compression of the sensor observations or local estimates ; the best linear unbiased estimation fusion formula and the efficient iterative algorithm ; the distributed kalman filtering fusion for the multisensor dynamic systems with cross - correlated sensor noises ; and the fault - tolerant interval estimation fusion

    摘要系統地闡述了傳感器網路環境中幾個基本而又重要的信息融合問題的最近進展，包括：最一般條件下全局最優的多傳感器分散式統計判決；傳感器觀測數據或局部估計的最優維數壓縮；一般條件下最優線性無偏估計融合公式及其有效演算法；傳感器觀測噪聲相關情形下動態系統的卡爾曼濾波融合；容錯條件下的區間估計融合。
  17. When gauss - markov assumptions hold, we need not look for alternative unbiased estimators

    當高斯馬爾科夫假定成立時，我們不需要再去找其它無偏估計量了。
  18. Based on wavelet analysis, wls is the best linear unbiased estimator of regression model parameters in the context of l / f noise

    基於小波技術的wls法是具有1 f噪聲的系統回歸模型參數的最佳線性無偏估計。
  19. Unbiased estimators are not necessarily consistent, but those whose variances shrink to zero as the sample size grows are consistent

    無偏估計量未必是一致的，但是那些當樣本容量增大時方差會收縮到零的無偏估計量是一致的。
  20. The results indicate that if all the investors all full rational, the equilibrium price, whether using close call auction or open call auction, is the unbiased estimator of the risky assets true value

    研究結論表明，若所有的投資者都是理性的，無論採用封閉式集合競價還是開放式集合競價，那麼均衡價格均是風險資產真實價值的無偏估計量。
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