樣本時點 的英文怎麼說

中文拼音 [yàngběnshídiǎn]
樣本時點 英文
sample time point
  • : 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
  • : 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...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  • 時點 : point of time
  1. Using this approximation, the risk of the high quartiles ( over 95 % ) is underestimated, especially for the fat - tailed series, which is common in financial data

    在這個假設條件下,置信度較高( 95以上) var估計往往會低估風險,尤其是當數據具有厚尾特徵,而金融數據大都具有尖峰厚尾的特
  2. This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically

    文從bp網的結構出發,以減小bp神經網路的規模為手段來克服陷入局部極小,提出了bp神經網路的拆分組裝方法,即將一個大的bp網有機地拆分為幾個小的子bp網,每個子網的權值單獨訓練,訓練好以後,再將每個子網的單元和權值有機地組裝成原先的bp網,從理論和實驗上證明了該方法在解決局部極小值這一問題是有效的;在拆分組裝方法基礎上,文詳細闡述了輸入的預處理過程,更進一步地減小了bp網路的規模,使子網的學習更加容易了;對于子網的學習,文採用了最速梯度? ?遺傳混合演算法(即gdr ? ? ga演算法) ,使gdr演算法和ga演算法的優互為補充,提高了收斂速度;最後文闡述了用以上方法進行atm帶寬動態分配的過程。
  3. Abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples. the accuracy of the approximate confidence interval is studied by the simalation method

    文摘:文導出了壽命分佈為對數正態分佈基於截尾環境因子的估計和近似置信限,對所給近似置信區間作了模擬研究。
  4. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的,由為變量的協方差函數構成的矩陣,當個數趨于無窮大,證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  5. In order to overcome this shortcoming, a real - time communications system for pictures and music, based on vod and video - banking technologies has become available commercially. instead of transmitting pictures and music in the text format, it transmits data in encoded signals in proper order and regenerates them on a real - time basis. that is how long - time multimedia communications made possible

    為了克服上述缺,現在推出了一種以vod ,視頻庫技術為基礎的圖象、音樂實通信系統,它對圖象、音樂等不可以文格式傳送,而是把編碼信號數據,依次進行傳送,並實再生,這間多媒體通信就成可能。
  6. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基bp演算法相比,文提出的魯棒自適應bp演算法具有以下優: ( 1 )與魯棒統計技術相結合,通過訓練相對偏差的大小,確定不同訓練對能量函數的貢獻,來抑制含高噪聲干擾對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函數,使學習速率依賴于網路訓練誤差瞬的變化而自適應的改變,從而可以克服基bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  7. If you get a professional logo design firm to do your corporate logo and brief them about these basic tips ( most of the knowledgeable firms are well aware of these principles ) you are sure to get a satisfactory corporate logo design that would go a long way in helping you establishing your brand

    所以,在找到專業公司設計公司標志,簡明地介紹一下這些基(大多專業公司都知道這些要) ,這可以確保設計出的標志能夠長期幫助公司建立品牌。
  8. First, realized a wegener - willie distribute based network traffic anomaly detection algorithm. we make use of wegener - willie distribute to analyze the inherent time - frequency distribution characteristics of the traffic flow signal. then according to the experience of analysis on historical flow, we construct a normal flow training sample aggregation and a abnormal flow training sample aggregation

    通過魏格納-威利分佈分析網路流量信號在頻分佈上所反映出的內在特,根據歷史流量的經驗構造正常流量和異常流量兩個訓練空間,通過k最近鄰分類演算法將帶檢測流量信號的頻分佈與訓練進行比較,完成對檢測的自動分類識別。
  9. 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的軟測量估計問題,文基於工業現場所採集的數據,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,同與多層前向bp網路、徑向基函數rbf網路模型進行了比較。
  10. Hi the aspect of symmetry analyzing to the hopfield model neural network with hebbian learning, we study on the dynamical behavior of the state space under the action of isometric transformation group g = z2 ? n, and prove the invariant property of the energy orientation ? / / " ) of the state space under the action of g. we find that the symmetry relationship of the network is sx - sw = sh when the active function of the neuron is odd, where sx is the symmetry of the patterns set x under hebbian learning rule, sh is the symmetry of the network and sw is the symmetry of the weight matrix w of the network

    ) s _ n為手段,研究了網路狀態空間在群g作用下各的運動情況,證明了群g作用下的不變性。證明了當神經元的激活函數f為奇函數, hebb法則下存儲集x的對稱性s _ x 、網路對稱性s _ h以及連接矩陣對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系;同,我們還證明了:網路穩定態集vf同一s _ h軌道中的兩個穩定態的動力學行為(能量和吸引域大小)相同;兩個等距網路h和h 1 = g ? h , ( ? ) g (
  11. We had made enough money to pay for the sample booklets we had recently ordered, plus our regular expenses for helping the homeless people in our area

    在清帳目,我們發現其數目不僅足夠支付正在印製的書費用,還讓我們可以支付幫助流浪者的例行開支。
  12. I know it s rather bleak to say this but essentially as part of individual human experience, you are born alone and you die on your own

    或許這說有空泛,我覺得每個人生下來就是一個人,死亦是一個人走的。
  13. Then, with respect to the objective of minimizing the total experimental cost, the optimal test plan ( including the sample size, inspection frequency, and the termination time needed by the classification rule for each of competing designs ) is derived by solving a nonlinear integer programming with a minimum probability of correct classification and a maximum probability of misclassification

    首先,我們提出一種具直觀優的分?法則,然後以總試驗成的最小化為目標,並賦予一正確分?的最小機?要求和錯誤分?的最大容許機? ?個限制條件,以決定出在所提出的分?法則下,各競標設計式所需的? 、 ?測頻?和試驗終止間的最佳組合。
  14. There are three surveys in this paper, the retail market survey, the newspaper market survey and the reader survey. through these surveys, the general situation of taizhou market of newspaper industry was outlined. on the base of a large number of data, it summarizes the characteristics of taizhou market of newspaper industry. first, the competition between outside area newspapers and local newspapers has already formed. second, at present, newspapers published in big cities gain the advantage over the local newspaper. third, readers in taizhou have their own characteristics, which are very different from readers in big cities, such as the educational level, the economical condition, the reading custom, and so on. third, the network of newspapers retail sales has already established, and most of newsstands belong to local post offices. finally, comparatively speaking, both readers and newspaper sales in taizhou are on a small scale

    文選取江蘇省泰州市報業市場作為,通過對零售市場、地外地報紙市場佔有情況、受眾規模與閱報習慣三個方面的實地調查,用大量數據勾勒出泰州報業市場的整體現狀,並在此基礎上總結出泰州報業市場的特徵:外地報紙和地報紙之間的競爭已經形成,外地報紙在競爭中處于優勢地位;報紙讀者在受教育程度、經濟狀況、閱讀習慣上存在自身特,讀者規模相對較小;以郵政報刊亭為主的報紙零售網路已經建立,報刊亭進報渠道多,但總體零售量不大。針對泰州市報業市場所反映的全國地級市報業市場的現狀和特,論文對地級市報業市場和大城市報業市場的共性與個性進行了比較,並在此基礎上指出,目前條件下,不同的報業主體在開發地級市報業市場應採取不同的對策。
  15. Through statistic sampling and constructing the statistics with the comprehensive magnitude of spectrum, the alarm limit of comprehensive mal - functions can be determined in accordance with the 3 rule

    對實監控系統採集、記錄的實測數據進行抽,用譜線綜合幅值構造統計量,採用3規則確定了測綜合故障報警限。
  16. Comparing with non - bnyain methods, it ' s prominent featares lay in that it combines the prior and posterior information, which avoids the disadvantag of subjective bias caused by simply using the prior information only, of blind search caused by the incomplete sample information, of noise affection caused by simply using the sample information only if we choice a suitable priof, we can conduct the bayesian leaming effectively, so it fits the problems of data mining and machine leaming that possess charaters of probability and statistics, especially when the samples are rare

    與非貝葉揚方法相比,貝葉斯方法的特出特是其學習機制可以綜合先驗信息和后驗信息,既可避免只使用先驗信息可能帶來的主觀偏見,和缺乏信息的大量盲目搜索與計算,也可避免只使用信息帶來的噪音的影響只要合理地確定先驗,就可以進行有效的學習。因此,適用於具有概率統計特徵的數據採掘和機器學習(或發現)問題,尤其是難得的問題
  17. The present study aims to examine : ( 1 ) the general characteristic of bully / victim problem in primary and junior middle school ; ( 2 ) how children school behavior, peer relationship, self - esteem, loneliness, depression, anxiety vary across gender, grade, bully / victim status ; ( 3 ) how well can the frequency and duration of bullying / victimization predict children ' s school adjustment and mental health. date were collected via a questionnaire battery and social competence scale. the participants were 827 students from grade 3, 5, 7, 9 in the four primary and junior middle schools

    研究探討的主要問題包括中小學欺負發生的基,不同性別、年級、欺負受欺負地位兒童的學校行為、同伴關系、自尊、孤獨、壓抑、焦慮等各方面的特,兒童欺負受欺負頻次及持續間對兒童的學校行為、同伴關系、自尊及心理健康狀況的影響,研究採用分層整群抽法,用問卷法( olwues欺負問卷、自尊問卷、焦慮量表、壓抑量表、孤獨量表)和社會測量法(班級戲劇、同伴提名)對827名中小學生(包括小學三、五年級和初中一、三年級)進行了調查。
  18. On the other side, just because more and more individuals radiate their new life vigor in the new era, chinese society has attained unprecedented development in such circumstances, we are more inclined to believe that man has no fixed nature, his existence is a process of creating himself

    當代中國社會發生的巨大變化,使得每一位公民自身的生命尊嚴和生命價值受到前所未有的關注;另一方面,正是因為越來越多的個體在新的代中煥發出新的生命活力,才使得中國社會取得了前所未有的發展。這使人們更認同這的觀:人無固定的質;人的生存過程就是創造自己的過程。
  19. Members of the hong kong hapmap group specialising in bioinformatics and statistics also participated in the data analysis group of the hapmap project by developing software for selecting variable sites for genetic studies and for measuring the genetic relatedness between pairs of individuals. professor tsui provided some comments on this project

    香港hapmap研究小組的成員在所有上一共成功測試了超過三萬個基因標記,小組中的生物資訊及統計研究員同亦參與hapmap計劃數據分析組的工作,開發軟體用以篩選變異進行基因研究及計算人與人之間的基因關系。
  20. When the given point set is a local separate sample of a closed surface set or an overall separate sample with known radius of sampling hole, the algorithm will reconstruct a correct result ; when the separate condition is not satisfied at some points, the algorithm will give result with corresponding holes

    當所給集是閉曲面集的局部分離或已知采空洞半徑的全局分離演算法將給出正確的重建結果;當所給集在某些處不滿足分離條件,演算法將給出相應的空洞以供參考。
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