無偏差的 的英文怎麼說
中文拼音 [wúpiānchāde]
無偏差的
英文
unerring- 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...
- 的 : 4次方是 The fourth power of 2 is direction
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When processing of data from single - point test, the value of is generally taken by 0. 25 for calculating the open flow potential of gas well, and the result is far from that from modified isochronal test
摘要目前,在處理一點法試井資料時,取函數為定值0 . 25來計算氣井的無阻流量,其結果與修正等時試井有很大的偏差。The paper designed aerodynamic control system of pith and yaw channels and roll angle stabilization system, by using unsteady - state error follow - up control theory and state observation station theory in modern control theory
本文使用現代控制理論中的無靜差跟蹤控制系統理論與狀態觀測器理論,設計了俯仰、偏航兩個通道的氣動力控制系統和滾轉角穩定系統。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。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。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This hindsight bias is a particular danger where non - compliance analysis is used or abused as way to attribute blame
這種事後諸葛的偏差特別危險,特別在使用或濫用無遵守分析來歸咎責任之處。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誤差,此時回歸系數的估計不具有無偏性。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。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。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。With a pristine and unbiased sample of interstellar dust they can truly find out if and by how much the elements of our own world differ from others throughout the galaxy
通過這些原始的無偏見的星際塵埃樣品,人們能真正找出究竟我們的太陽系同銀河中的其它星球是否有元素差異以及相差多少。The term plant metabolomics is used for defining the technology of high - throughput, nonbiased analyses of the metabolome of plant extracts
植物代謝組學是指對植物抽提物中代謝組進行高通量、無偏差全面分析的技術。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。Accelerated moisture resistance - unbiased hast
加速耐濕.無偏差的hastThe 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。And the measured uncertainty in vickers hardness testing was evaluated according to procedure without bias method and procedure with bias method
利用無偏差估計方法和考慮硬度計偏差的方法對維氏硬度試驗中的測量不確定度進行了評定。After researched fuzzy self - tuning pid parameters controller, a simulation experiment is shown in this paper, which demonstrated this controller is feasible. at last, a practical experiment is made with the efpt process - control equipment, the result of the experiment manifests : fuzzy self - tuning pid parameters controller integrate the advantage of pid controller and the fuzzy controller, it has the following character : small overshoot ; short transient time ; excellent control accuracy and no stabilizing error
本文在設計的pid參數模糊自整定控制器的基礎上進行了模擬實驗,論證了這種控制器的可行性,最後在efpt過程實驗裝置上進行了模擬實驗,實驗結果表明pid參數模糊自整定控制器集合了pid控制器和智能權模糊控制器所具有的優點,能很好地控制鍋爐液位的穩定,具有超調量小,過渡時間短,控制精度高,無穩態偏差的特點。分享友人