無偏差線 的英文怎麼說
中文拼音 [wúpiānchāxiàn]
無偏差線
英文
agonic line- 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...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
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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。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。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A nonlinear ship steering controller is designed successfully. even considered the noises caused by wind, wave and current, the matlab simulation tracking error is almost zero. simulation results show that the presented algorithm is effective and robust
在存在舵機非線性和海浪干擾的情況下,分別跟蹤階躍響應及正弦曲線,航向跟蹤效果很好,幾乎無偏差跟蹤,且打舵小,具有較強的魯棒性。Influence of dc - rail zero - voltage notch on the output of the inverter is investigated, and an important conclusion is obtained that the direction of output current of the inverter is not effected by the voltage deviation produced by dc - rail zero - voltage notch, on the basis of which, a new simple correction approach is put forward. experiment results show that the proposed correction method is effective
探索了直流母線零電壓凹槽對逆變器輸出特性的影響,得出了母線零電壓凹槽形成的輸出電壓偏差與逆變器輸出電流方向無關這一重要結論,在此基礎上,提出了一種簡便的校正新方法,通過試驗驗證了該校正方法的有效性。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。The equipment incorporates assembling and sintering and the temperature curves can be set according to users " need. the accuracy of temperature control can be controlled within 1 ?. in assembling, the tubes align automatically, thus reducing deviations of assemblers operation
中國科學院博士學位論文:無鋁半導體激光器列陣及其組裝技術的研究該設備集組裝和燒結於一體,可根據需要任意設定溫度曲線,溫度精度控制在1 「 c之內;組裝時管芯自動對齊,減少了由組裝者操作產生的偏差。6. since the error in both the meteorological parameters and cooling load prediction is unavoidable, the online correction of prediction and offline optimization results is needed
無論是氣象參數預測,還是冷負荷的預測總難免出現偏差,這就需要對短期預測和離線優化結果進行在線修正。The concentration of tbh is linearly dependent on the absorbance when the concentration of tbh is 1. 6xlo " 3mol / l - 1. 5xlo " 2mol / l. the relative deviation of the results compared with the result of no u ( vi ) are 2. 5 % when the concentration of u ( vi ) 0. 26g / l
5x10 - 2mol / l之間時, tbh濃度與吸光度的線性關系良好。樣品中u ( )濃度低於0 26g l時,比色分析相對無鈾時測定結果的偏差低於2The 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。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A line used in the capital asset pricing model to illustrate the rates of return for efficient portfolios depending on the risk - free rate of return and the level of risk ( standard deviation ) for a particular portfolio
一個線條用於資本資產定價模式中說明有效的投資組合的回報率,取決于無風險回報率和對一特定的投資組合的風險水平(標準偏差、標準離差) 。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。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。Based on the coherent reception theory of radio signals and the theory of digital signal processing, the effects of carrier frequency offset, sampling clock offset, and symbol timing offset on ofdm signals are exploited. a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation, frequency - domain frequency offset, sampling offset, and symbol timing offset estimation
以無線信號的相干接收和數字信號處理理論為基礎,就載波頻偏、采樣鐘偏差和符號定時偏差對ofdm信號的影響進行了分析,對基於保護間隔的符號定時與載波頻偏估計演算法和多種現有頻偏、采樣鐘與符號定時偏差的頻域估計演算法進行了研究,提出了一系列改進措施與新演算法。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A verification technique, which obtains unbiased estimator for the means and variance of several global and local features is presented and a matching way after acquiring the threshold by probability density function is achieved
摘要論述了在獲得在線手寫簽名的曲線的一些局部和全局特徵的平均值和方差的無偏估計的基礎上,通過概率密度函數進而獲取閾值進行匹配的鑒別方法。As to those who like the post but can ' t achieve high performance due to their individual competency, managers should attach more importance to the training of their working skills, even should ascertain the shortage and deviation of their actual operation on first line, you know, the effectiveness of on - site training and instruction is far better than conclusion afterwards
面對喜歡該職位但卻因為能力問題無法取得高績效的員工,管理者應該側重於工作技能的培訓,甚至和該員工一起深入一線找出實際操作的不足和偏差,因為現場培訓和指導的效果要遠遠強於事后的總結。分享友人