sample estimation 中文意思是什麼

sample estimation 解釋
大樣本估計
  • sample : n 1 樣品，貨樣。2 標本；榜樣，實例。3 【統計】典型取樣，抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  • estimation : n. 1. 估計，評價。2. 預算，預算額；概算。3. 尊重，尊敬。4. 意見，判斷。5. 【化學】估定；測定。
  1. The linear nomogram method for sample size and power estimation of comparing two or more treatment groups

    多組比較樣本含量及檢驗效能的線性算圖估計
  2. The small - sample properties of james - stein estimation

    估計的小樣本性質
  3. Sequence and large sample quality are posed. in our country or allien there are many experts who discusses some quanlity of na variable in great. for example, in documentation 6, there is a discussion about the consistency of density kernel estimation and many results have been g ained, but the density estimation f ( x ) is limited to the arrange of x [ a, 6 ] which limits the arrange of application. thus in this passage we call off this limitation and further discuss the density kernel estimation under na sample. consequently the counterpart results have been gained and the condition of result has been weaked. in the same time we discuss the density kernel estimation under pa sample and the counterpart result has been gained

    序列密度函數估計及其大樣本性質的研究課題。國內外許多專家對na變量的各種性質進行了大量的討論，其中文獻[ 6 ]曾對na樣本下密度核估計的相合性進行了討論，並取得了一些結果，但該文將密度估計f （ x ）限制在x [ a ， b ]中進行討論，這局限了應用范圍。因此本文在取消這種限制條件下對na樣本的密度核估計進行了進一步的討論，得出了相應的結果，並使結論的條件得到弱化；同時對pa樣本下的密度估計也進行了相應的討論，取得了相應的結果。
  4. Parameter estimation of exponential distribution with two parameters under type i censoring sample

    定時截尾場合下雙參數指數分佈的參數估計
  5. On the other hand, they play an important role in the theories of esfimation for regression function. in this paper, we mainly get the large sample properties for partitioning estiona - tion and modified its estimation. for example, we proved their asymptolic normaity under nuture conditions by means of mortingle theory ; we also get their strong consistency for regression function under censored samples ; and finaly we genearzed the result to dependence sample and have strong consistency for the modified partitioning estimation of regression function

    因此本論文研究了回歸函數基於分割估計及改良基於分割估計的大樣本性質，利用鞅的有關理論，在比較自然的條件下，證明了其漸近正態性；首次構造了截尾樣本的回歸函數基於分割估計及改良基於分割估計，並證明其強相合性；同時把有關結果推廣到相依樣本下（如混合） ，獲得了改良基於分割估計的強相合性及收斂速度。
  6. To verify the effectiveness of the proposed hybrid fnn, this thesis addressed the estimation problem for the frozen point of light cyclic oil in a fluidized catalytic cracking unit ( fccu ) in a refinery. based on the sample data collected from the industrial unit, we built a soft sensor model by using an above hybrid fnn

    最後，針對某煉油廠催化裂化裝置主分餾塔輕柴油凝固點的軟測量估計問題，本文基於工業現場所採集的樣本數據，建立了混合結構神經網路模型，並討論該模型的在線自學習問題，同時與多層前向bp網路、徑向基函數rbf網路模型進行了比較。
  7. The thesis mainly recounts the detail questions about bayesian small sample theory and the important applications of the theory in engineering, and gives sufficient analyses and discussion of every step of accomplishing a precision evaluation when using small samples. in the thesis, the following issues are contained, such as how to get and denote the prior information, the consistence test of prior information and test samples of shooting range, the fusion of multi - source information, calculating of posterior probability, estimation with bayesian approach, how to constitute test evaluation project of different performance and calculate the risks of both sides are contained, and at last a kind of applied method to calculate the effectiveness is given

    論文主要敘述了有關bayes小樣本理論的一些具體問題，以及該技術在工程中的一些關鍵應用，對小樣本條件下精度鑒定的各個環節給予較充分的分析和討論，其中包括驗前信息的獲取、表示，驗前信息和靶場試驗樣本的一致性檢驗，多源信息的融合，驗后概率的計算， bayes方法在估計中的應用，試驗鑒定方案的制定，對不同戰標的評估方法和風險的計算等，最後對作戰效能的計算給出了一種工程中較實用的方法。
  8. 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。
  9. Estimation of order means of two sample distribution exponential under symmetric entropy loss

    對稱熵損失下兩個指數總體均值的序約束估計
  10. In chapter 5 the distributed cfar detection is studied when lds are correlated. due to the correlation of local decisions is not known, empirical estimation is adopt to resolve this problem, the relationship of the training sample size and the estimated confidence is analyzed

    對局部採用硬判決的情況，深入研究了傳統的分析方法，利用經驗估計解決了局部觀測相關系數未知時存在的困難，分析了系統判決精度與估計樣本數量的關系。
  11. Normal behavior and anomaly are distinguished on the basis of observed datum such as network flows and audit records of host. when a training sample set is unlabelled and unbalanced, attack detection is treated as outlier detection or density estimation of samples and one - class svm of hypersphere can be utilized to solve it. when a training sample set is labelled and unbalanced so that the class with small size will reach a much high error rate of classification, a weighted svm algorithm, i

    針對訓練樣本是未標定的不均衡數據集的情況，把攻擊檢測問題視為一個孤立點發現或樣本密度估計問題，採用了超球面上的one - classsvm演算法來處理這類問題;針對有標定的不均衡數據集對于數目較少的那類樣本分類錯誤率較高的情況，引入了加權svm演算法-雙v - svm演算法來進行異常檢測;進一步，基於1998darpa入侵檢測評估數據源，把兩分類svm演算法推廣至多分類svm演算法，並做了多分類svm演算法性能比較實驗。
  12. The sender tracks the packet loss status according to the algorithm - loss rate estimation based on variable frame size and switches two audio sample files in accordance with packet loss status

    傳送端根據以變動框架長度為基礎之遺失率估演算法，來估算目前網路上封包遺失的狀況，並以此作為切換高低音質檔案的依據。
  13. Study of the sample size determination for diagnostic accuracy studies involving binormal roc parameter estimation

    參數估計雙正態樣本量估計方法探討
  14. With regard to parameter estimation, the capacity of different models and parameter estimation methods should be tested against the specific market and sample data

    在參數估計方面，應針對具體市場和樣本數據，檢驗各種模型和參數估計方法的能力。
  15. In recent years various methods of estimation about probability density function of random variable sequence that is independent and identically distributed ( abbreviated as iid. ) and large sample quality have been more discussed in research documentation

    ）序列的概率密度函數的各種估計方法及其大樣本性質的研究文獻中已有很多討論，研究得最多的還是密度函數的核估計，如rosenblent ， parzen ， prakasarao和silverman等。
  16. Some problems from the principal stress axis rotation experiment with hollow cylinder apparatus are analyzed in detail herein ; which consists of three aspects, such as the preparation of the hollow cylinder sample and the acquisition of the isotropic one ; the estimation and elimination of the size effect and the end effect in the experiment ; and the membrane penetration effect on both the drained and the undrained tests results, etc

    摘要詳細分析了採用空心圓柱儀進行主應力軸旋轉試驗遇到的若干問題，主要包括三個方面：空心圓柱試樣制備及各向同性試樣的獲得；試驗中尺寸效應、端部效應的考慮與消除；空心試樣膜嵌入效應對排水、不排水試驗結果的影響等。
  17. These imply that the spatial distributions of the different grades of the arable land, classified by the reference land unit method, reflect reasonably the spatial changes of geomorphological units and soil types. the linear estimation model between comparable productions and the corresponding quality ratings of 210 sample units shows that the coefficient of determination r2 is 0. 876, which means that 87. 6 % of the change of y is explained by the change of x. it is concluded that the arable land quality ratings calcul ated by the method can reflect the biologic productivities of land

    另外，利用210個樣點單元的標準糧產量（ y ）與其對應樣地法土地質量分（ x ）進行線性擬合，判定系數r ~ 2等於0 . 876的含義是指y的變異中有87 . 6是由x引起，表明了樣地法土地質量分的高低較好地反映了耕地的生物生產力水平。
  18. The small - sample properties of stein shrinking estimation for regression coefficient

    壓縮估計的小樣本性質
  19. And then, adopting the same model, cyclic moment estimation statistic of different orders are constructed respectively, large sample variance expressions of the estimator through theoretic analysis are derived, as well as the constraint relation of estimator performance and noise statistical characteristic. the curve of estimation performance is obtained through monte carlo simulation test, which proves the related conclusion derived

    然後，論文同樣以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，分別構造了基於不同階次的循環矩估計量，從理論上推導出了估計量的大樣本方差表達式，分析了估計量性能與噪聲統計特性的約束關系，通過monte - carlo模擬試驗得到了估計性能的曲線，驗證了推導的有關結論。
  20. Of all the above models, it is only the jones and modified - jones models who introduce the change of environment to the estimation of non - discretionary accruals, and who derive effectively discretionary part from total accruals. using a sample of 87 non - financial companies from shanghai stock exchange, we found empirical evidence showing the link between share allotment and earnings management

    在估計非操控性應計利潤的眾多模型中，只有瓊斯模型和修正的瓊斯模型明確地將經濟環境的變化引入了對非操控應計利潤的估計，並且只有它能很好地從應計利潤總額中分離出已經受到人為管理的應計利潤。
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