parameter estimate 中文意思是什麼

parameter estimate 解釋
參數估計量
  • parameter : n. 1. 【數學】參數，變數；參詞；參項。2. 【物理學】參量；（結晶體的）標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  • estimate : vt 1 估計，估算；估價；估量。2 評價，評斷。3 〈古語〉尊重。vi 估計，估價。n 1 估計;預測；〈英國〉...
  1. Based on this, through a lot of yeast, e - polylysine ferment experiments and analyzing the data, comprehend the universality rule of animalcule ferment ; advanced soft - measure model, estimate the parameter non - measurable online, including the parse model based main - regression analyze, the ann model based ann arithmetic. guide the fed - batch control and environment parameter by the optimized track. to advance the last gain, identify the fermentation phase

    在此基礎上，經多次酵母發酵實驗、聚賴氨酸發酵實驗及對大量實驗數據的分析，深入了解了微生物發酵的一般性規律；建立了微生物發酵過程的軟測量模型，對不可在線測量的生物參數進行估計，包括由主元回歸分析得到的解析式模型，由神經網路演算法得到的神經網路模型。
  2. In case of targets with different intensities, we proposed a modified algorithm. we also extend esprit - corr method to estimate 3 - dimension parameter jointly

    作者還進一步把esprit - corr推廣到方位、頻率、時延三維參數的聯合估計。
  3. A modificatory mle model has been put forward to reduce the estimate error of reliability characteristic parameter in case of the little fail data

    本文提出一個極大似然估計（ mle ）的修正模型（ mmle ） ，以減小採用mle在小子樣情況下可靠性特徵量的估計誤差。
  4. The time - varying parameter ( tvp ) model is put forward to estimate the dynamic coefficient of fiscal expenditure to economic growth, and further to evaluate the effectiveness of fiscal policy

    摘要利用狀態空間方法，對1978年以來我國財政支出總量和有關項目的經濟產出進行了動態測算。
  5. 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。
  6. A bayes method and a classic method have also been put forward in this paper, which are used to estimate the reliability characteristic parameter in case of the zero fail data

    本文還將提出採用分級bayes方法對電器無失效數據進行可靠性特徵量的點估計。為尋求無失效數據的區間估計演算法，本文給出一種構造置信下限的經典方法。
  7. The research of multipath parameter estimation algorithms and accomplishing them with software. to estimate multipath parameters, multipath delays must be estimated by code filtering in advance

    通道多徑參數估計演算法的研究和軟體實現在估計多徑參數時，首先使用碼濾波方法估計出信號的多徑時延。
  8. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
  9. It presents relative indices designing of harbor development strategy, econometric models, data process, parameter estimate and model testing. it proves the grey system model adequate to harbor throughout and container forecast the framework is adopted to the research on lian yun gang harbor developmental strategy

    探討了港口發展戰略研究相關指標設計，對計量經濟模型的建立、數理處理、參數估計、模型檢驗等進行了方法論探討，探索了灰色系統模型在港口吞吐量及集裝箱預測中的可行性，明確提出該模型可用於港口吞吐量和集裝箱吞吐量預測分析。
  10. Anfis based on takagi and sugeno ' s fuzzy model has the advantage of being linear - in - parameter ; thus the conventional adaptive methods can be efficiently utilized to estimate its parameters

    由於節點參數是線性的，用梯度下降和最小二乘的混合學習演算法來調節參數，減少了運算量，加快了收斂速度。
  11. For a general linear model ( input matrix is deterministic ), under a certain conditions on variance matrix invertibility, the two estimates can be identical provided that they have the same priori information on the parameter under estimation. even if the above information is unknown only for the optimally weighted ls estimate, the sufficient condition and necessary condition, under which the two estimates are identical, is derived. more significantly, we know how to design input of the linear system to make the performance of the optimally weighted ls estimation identical to that of the linear minimum variance estimation in case of being lack of prior information

    在一般線性模型（即輸入矩陣為確定性）下，當兩種估計都利用有關被估參數的先驗信息時，二者在方差陣可逆的一定條件下可達到一致；當最優加權最小二乘估計不利用此先驗信息時，存在二者一致的充分條件和必要條件，進而找到一種設計輸入矩陣的方法，使得在先驗信息缺乏的條件下，仍可利用最優加權最小二乘估計達到與線性最小方差估計一樣優越的估計性能。
  12. Item parameter and person ability estimate for continuous irt model with connectionism

    模型的項目參數和被試能力估計
  13. In this thesis, based on item response theory, a number of ways to estimate the latent trait and item parameters were introduced and their advantages and disadvantages were analyzed ; what is more, empirical logistic regression and two parameters logistic model ( 2plm ) are combined to set up a linear model by logit - mapping and a new parameter - estimation method is proposed

    新方法將經驗logistic回歸用於兩參數logistic模型的參數估計，使用logit變換建立線性模型，利用線性模型的最小二乘估計得到第j個項目的項目參數向量_ j = （ _ j ， _ j ）的兩步估計由於x _ j含有未知的討厭參數，的理論值也和有關，我們結合上式的結果對進行再估計。
  14. However, it lacks runoff data in absolutely most areas where culvert and small bridge locate. some traditional design method, such as the methods of statistic zone parameter, modification by catchment area, rainfall - runoff, reasoning formula and empiric equation et al, are used to estimate flood flow through culvert or bridge

    然而，絕大多數中小橋涵所在地卻沒有可利用的徑流資料，通常採用統計分區法，面積改正法、暴雨徑流法、推理公式和經驗公式等傳統設計方法，這些方法一般比較繁瑣、精度較低、設計的流量偏大，導致工程造價偏高而浪費資金。
  15. 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。
  16. This paper has set up a platform of multi - parameter nonlinear study and multi - parameter estimate to reservoir by means of the technology of multi - attribute transformation and neutral network combined with multi - attribute analysis of seismic parameters, reservoir inversion and reconstruction of reservoir geophysical characteristics on the foundation of large numbers researches and data - drive law in prediction of reservoir so as to provide more accurate geology conclusion and exploration deployment scheme in practical application. besides, concrete example analysis has been made on this technology aiming at different types of oil - bearing reservoir prediction. summing up the characteristic of this technology, this paper point out its further direction in development

    基於上述目標，本文主要做了以下幾方面的工作：詳細分析了石油勘探局中多種儲層預測方法的技術特點及本身在解決實際地質問題上的不足之處；在繼承前人研究和技術的基礎上，以「數據驅動法」為數學物理的理論基礎，通過多屬性變換和神經網路技術，把地震參數的多屬性分析技術、儲層反演技術和近年出現儲層物理特徵重構的技術思想有機地結合在一起，建立起一套儲層多參數非線性預測研究和儲層多參數估算技術平臺；對該項技術針對不同類型含油儲層的預測研究做出了具體的實例分析；總結了該項技術的特點，並指出進一步的發展方向。
  17. Source parameter estimate based on multistage wiener filter

    基於多級維納濾波器的信源參數估計
  18. This paper is chiefly to set up a platform of multi - parameter nonlinear study and multi - parameter estimate to reservoir by means of the technology of multi - attribute transformation and neutral network combined with multi - attribute analysis of seismic parameters, reservoir inversion and reconstruction of reservoir geophysical characteristics on the foundation of large numbers researches and data - drive law in prediction of reservoir so as to provide more accurate geology conclusion and exploration deployment scheme in practical application. basing on the mentioned objective above, this paper has analyzed characteristics of many methods of reservoir prediction in the petroleum prospecting and their shortcomings in the practical geology problem of resolution

    本文主要目標就是在大量研究技術的基礎上，以儲層預測研究中的「數據驅動法」為數學物理上的理論基礎，通過多屬性變換和神經網路技術把地震參數的多屬性分析技術、儲層反演技術和儲層地球物理特徵重構的技術思想有機地結合在一起，建立起一套儲層多參數非線性的預測研究和儲層多參數估算技術平臺，最終在實際應用中提供更加準確的地質和勘探部署。
  19. At present we already use tradition method ( non - linearity parameter estimate method -, logarithm coordinate graph explain method and surplus analysis method ) ascertain measure area ' s every element ' s background value and abnormity lower limit, manage result is difference between real data. this article use fractal method ' s sum arithmetic ascertain geochemistry abnormity. by the contrast of these two arithmetic and abnormity graph, we think receive better effect

    目前可用傳統的方法（非線性參數估計法、對數坐標圖解法和剩餘分析法）確定測區各元素的背景值和異常下限，處理結果與實際資料有一定差異。本文用分形技術中的求和演算法來確定地球化學元素的異常下限，實踐證明，其處理結果具有較好的效果。
  20. In chapter 4, we study the outlier mining when the parameter estimate of the given linear model is not least square estimate ( lse ) but uniform biased estimate ( ube ), and present the cook - distance based on the uniform biased estimate, which we use as an important tool in mining influence point

    第四章研究了當線性模型的參數估計不是最小二乘估計而是泛嶺估計時的異常挖掘，給出了針對泛嶺估計的cook距離，用其作為挖掘強影響點的工具。
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