無偏最小方差 的英文怎麼說
中文拼音 [wúpiānzuìxiǎofāngchā]
無偏最小方差
英文
unbiased minimum 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...
- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 小 : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
- 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...
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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。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。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。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。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。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。Uniformly minimum variance unbiased estimate
方差一致最小無偏估計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。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The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch
因此提高了學習性能,具有較好的預測精度。然後,建立變電站電壓無功控制的數學模型,考慮電壓的調壓要求和無功功率平衡,計及變壓器變比和並聯補償電容的上下限約束,變壓器分接頭和電容器允許的日調節次數的限制,以電壓偏差的平方和最小為目標函數。分享友人