有限樣本 的英文怎麼說

中文拼音 [yǒuxiànyàngběn]
有限樣本 英文
finite sample
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 有限 : limited; restricted; finite; a little; not much
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  1. Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。
  2. In fact, the nature of social construct of value, the value involvement in policy process, the diversity of value orientations among policy subjects and targeted groups, and the limits of policy capacity define the nature of policy as : the process and results of contestation and compromise of various value orientations in society

    事實上，價值的社會建構性、決策過程的價值涉入、政策主體和目標群體價值趨向的多樣性以及政策本身能量的有限性決定了政策的本質是：社會各種價值取向沖突與妥協的過程和結果。
  3. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為，當信號集中的任一信號可表示為一系列已知信號的線性代數和時，信號集便構成可分解信號集，已知信號稱為基波信號；對可分解信號而言，基波系數構成一序列，當對指定的基波信號集分解唯一確定時，系數序列本身便是信號的一個表示；可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時，則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應，從而由該樣值序列構成的采樣必為完全采樣；可分解信號采樣定理中的推論指出，對信號集進行采樣，采樣頻率必須大於其信號分解的基波數與其對應時長之比；對有限帶寬信號，若基波信號為正弦信號時，由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  4. Based on the real structure of the forewing and hindwing of dragonfly, the plane geometric models of biomimetic wings are created using some cad software. then the three - dimensional finite element models of biomimetic wings are built by choosing the suitable element types and characteristic parameters

    本文基於蜻蜓真實的翅翼樣本，利用相應cad軟體分別建立了前、后翅翼的幾何結構模型，並通過選擇適當的單元類型及設定特性參數，完成三維仿蜻蜓前、后翅翼的有限元建模。
  5. Our test with mock samples shows furthermore that one can discriminate among such models already with currently available observational samples ( if the measurement error of the redshift is negligible ) which have a typical error of 80kms - 1. the error will be reduced by a factor of 2 if the samples are increased four times. we also show that an errroneous assumption about the geometry of the universe and different infall models only slightly change the results

    結果表明： （ 1 ）若用現有的觀測樣本（特徵誤差為80kms ~ （ - 1 ） ）我們已經可以限制星系形成模型，而如果樣本容量增長到4倍，誤差將減半； （ 2 ）錯誤地假設宇宙幾何和星系平均內落對結果只有微弱的影響。
  6. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  7. The common characteristic of the traditional theories about the act researches is researching the concept of act in criminal law with the restrained thinking way of monism, i. e. onefold factual, onefold valued, or fact - value integrative methodology, which result in that it can not explain some especial act forms in the criminal laws, that it only explain those narrowly but can not withstand careful analysis, or that it only extends to explain all kinds of act forms, which does not accord with the daily thinking manners. this paper recognizes and redefines the concept of act in the research of the criminal law based on the suspicion and consideration of research methodology, in a fact - value segregative dualistic thinking way, in relation to analyse and comprehension of characteristic of some special act forms, such as " holding ", " omission "

    傳統的行為理論的研究都有這樣一個共同的特點，即局限於一元論的思維方式，以單純事實的，單純價值的，抑或事實? ?價值一體化的方法論，來研究刑法理論中的「行為」概念，結果導致要麼是無法解釋刑法上特殊的行為形式，要麼只是表面上牽強附會卻經不起深入推敲，要麼僅追求能有張力地解釋各種行為方式卻脫離了人們認識的思維習慣。本文正是基於對研究方法的質疑和反思，採用事實? ?價值分離的二元論思維方式，結合分析理解「持有」 、 「不作為」等刑法中特殊行為形式的特徵，重新認識和界定了刑法理論研究中的「行為」概念。
  8. An interesting property of this approach is that it is an approximate implementation of the structural risk minimizaiton ( srm ) induction principle. in this thesis, the theory and method of support vector machines were studied in the given application, text - independent speaker recognition

    支持向量機是在統計學習理論的基礎上發展而來的一種新的模式識別方法，在解決有限樣本、非線性及高維模式識別問題中表現出許多特有的優勢。
  9. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的輻射和強度理論，我們計算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論，我們在試紙條傾斜放置或有垂直方向上的偏移時，準確地提取出了各模塊的數據;用平滑濾波和均值濾波理論，我們濾除了由於反應不均勻及硬體設備不穩定帶來的噪聲;用交遇區設計線性分類器的方法，我們降低了有限樣本設計線性分類器帶來的誤差，提高了檢驗準確度。
  10. Unlike approach theory in orthodox statistics, statistical learning theory especially studies the law of machine learning when samples are finite. it has proved the bound of actual risk is made up of experiential risk and belief bound. vc dimension is used to control generation ability ; structural risk minimization induce principle is used to control the bound on the value of achieved risk by controlling experiential risk and belief bound at the same time

    不同於傳統統計學的漸進理論，統計學習專門研究有限樣本情況下的機器學習規律，它從理論上證明了實際風險的界是由經驗風險和置信范圍兩部分構成的，並給出了控制置信范圍的方法vc維。
  11. Support vector machine ( svm ) is a new and very promising classification technique. the approach is systematic and properly motivated by statistical learning theory. training invovles separating the classes with a surface that maximizes the margin between them

    統計學習理論是一種專門研究有限樣本情況下機器學習規律的理論，它不僅考慮了對推廣能力的要求，而且追求在現有有限信息的條件下得到最優結果。
  12. Approximate limit sampling data using fuzzy - tree model

    模糊樹模型對有限樣本集的逼近
  13. All the subjects were genotyped by pcr - rflp ( polymerase chain reaction - restriction fragment length polymorphism ) at polymorphic sac i site inside the exon 7 of the ahsg gene. this polymorphism involves a nucleotide substitution of c to g at the middle nucleotide of the codon at amino acid position 238 resulting in the replacement of threonine ( acc ) with serine ( agc )

    所有的樣本通過聚合酶鏈式反應?限制性片段長度多態性方法（ pcr - rflp ）對ahsg基因的第7個外顯子內的sac多態性位點進行基因分型，該多態性位點為238號氨基酸密碼子中間的堿基c到g的替換，使蘇氨酸（ thr ， acc ）變為絲氨酸（ ser ， agc ） 。
  14. Is it possible for an estimator to be biased in finite sample but consistent in large sample

    一個估計量是否有可能在有限樣本中是有偏的但又具有一致性？
  15. Considering the few samples and the need of real time, the paper does n ' t use k - l transform or any other methods commonly used for feature selection, but use rs theory to select features which has the ability of analyzing, reasoning and finding the relationship between data, selecting conditional property combination

    本文考慮到有限樣本問題以及識別的實時性，沒有選擇k - l變換等常用的特徵優化方法，而選用了具有對不完整數據進行分析、推理、發現數據間的關系、優選條件屬性組合的能力的粗糙集理論進行特徵優選。
  16. In this paper, an intelligent decision control algorithm with limited samples is proposed firstly

    首先給出模糊預測控制的有限樣本的預測學習方法。
  17. The theories and methods for high dimensional multispectral data classification with limited training samples are studied, which are parts of important research contents of national 863 hi - tech, 973 project and ministry of education phd fund

    結合國家863計劃項目、國防973項目和教育部博士點基金項目，研究了有限樣本下基於機器學習的高維多光譜數據分類問題。
  18. Response surface and support vector machines are adopted to approximate the actual models in view of the quality characteristics of a product and the related design parameters, which ensures the accuracy and efficiency of constructing the surrogate models in the case of limited samples

    該方法採用響應面和支持向量機來逼近產品質量特性與其影響因素的關系模型，保證了在有限樣本條件下的建模效率和精度。
  19. The experiment shows that the model enables to detect transformer faults with a higher diagnosis rate, under condition of small samples, the diagnosis rate for discharge fault samples gets 90. 5 %, and 85. 9 % for thermal fault samples

    實例驗證表明，該模型在有限樣本情況下，能達到較高的變壓器故障判斷率，放電性故障樣本正確判斷率為90 . 5 % ，過熱性故障樣本正確判斷率為85 . 9 % ，說明該模型具有很好的分類效果和推廣能力。
  20. A bp neural networks is designed to learn and classify the result coming fom the combination and standardization of every energy measure matrix. the experiment proves that the recognition rate of the system can reach to 95 % or more when the number of the experimental sample is limited

    將分解得到的各能量測度矩陣的組合經規范化後由bp神經網路進行學習和分類，實踐證明此筆跡鑒別系統對實驗中提取的有限樣本的鑒別正確率可達95以上。
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