data sequence 中文意思是什麼

data sequence 解釋
數據序列
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • sequence : n 1 繼續;接續;連續。2 順序;程序;次第;關系;關聯。3 後果;結果;接著發生的事;後事;後文。4 ...
  1. This research reviewed the relationships of the myriapods to other arthropoda, based on morphological and molecular sequence data and the studies of developmental biology. the review was followed the major controversies in the higher - level phylogeny of myriapods. the complete 18s rrna sequences of four groups of myriapoda plus hexapoda ( protura, diplura, insecta ) and crustacea were used for phylogenetic study

    本研究首先從形態學性狀、分子性狀( dna和蛋白質)以及結合形態和分子性狀、發育生物學的研究等方面對多足類動物與其他節肢動物之間的親緣關系進行了綜述,同時對多足類的系統發生研究進行了綜述。
  2. However, the variation patterns of rdna in gymnosperms are little known because of the limited sequence data

    但是在裸子植物中由於研究資料的匱乏,使我們對裸子植物rdna的變異模式了解甚少。
  3. 4 the spectrum of highly ionized cu and ge was investigated by means of the beam - foil technique. by comparison with other experimental data we determined 42 energy levels of cu and 13 energy levels of ge. for the spectrum without experimental data for comparison, they are determined by isoelectronic sequence

    摘要4我們採用束箔光譜方法測量高離化態cu和ge束的光譜線,與文獻中的實驗數據相對照,確定了42條cu的譜線和13條ge的譜線,對于無實驗值可對照的譜線,利用理論值和實驗值進行等電子序列證明。
  4. According to the theory of z - map model, the contour data is re - constructed in new sequence forming 3 - axis parallel milling tool path

    根據z - map模型的原理,用行列結構對邊界點數據進行重新排列,從而得到3軸平行式加工刀軌。
  5. Phylogeny of the tribe menispermeae menispermaceae reconstructed by its sequence data

    序列證據重建防己科蝙蝠葛族的系統發育
  6. Postglacial population expansion of dacrydium pierrei podocarpaceae in hainan, southern china, based on cpdna trn l - f nocoding sequence data

    序列數據分析海南陸均松種群的冰期后擴張
  7. In this paper, we study focus on building intrusion detection model based the technique of data mining ( dm ). firstly, the paper designed a scheme to modeling intrusion detection based dm and bright forward the idea of descriptive model and classified model to intrusion detection. secondly, we designed and implemented a net data collection system with high performance and a scheme to pretreat net data. thirdly, after studying the algorithms to mine association rule and sequence rule in net data, we extended and improved the algorithms according to the characteristic of net data and the field knowledge of intrusion detection

    首先設計了基於數據挖掘技術的入侵檢測建模方案,提出使用該技術建立入侵檢測描述性模型和分類模型的思想,並用分類判決樹建立了入侵檢測分類模型;其次,設計和實現了一個高性能的網路數據採集系統和網路數據預處理的方案;然後,在對關聯規則挖掘和序列規則挖掘演算法進行研究的基礎上,結合網路數據的特性和入侵檢測領域的知識對演算法進行了擴展和改進,挖掘出了網路數據的關聯模式和序列模式;最後,研究了描述性模式的應用,並設計出基於模式匹配的入侵檢測引擎,該引擎具有誤用檢測和異常檢測功能。
  8. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    同時給出了本文的具體的工作,主要是:對在時序數據序列中發現模式問題進行了描述,並介紹了一種新的趨勢邏輯表示方法,給出了其演算法及演算法的實驗結果;對時序數據進行處理,提出了利用線段的斜率反正切值作為模式識別的樣本,從而在分類時忽略模式的畸變;另外,還提出了一個新的基於高階神經網路的時序模式發現演算法。
  9. But the frequent use of training sequence is certainly a waste of channel bandwidth. research shows that with the prior knowledge of only the signature waveform and timing of the user of interest, blind adaptive multiuser detector can effectively detect data symbol of the desired user without training data sequence for every active user

    在傳統多用戶檢測技術基礎上,自適應多用戶檢測利用訓練序列在僅知道期望用戶地址pn碼及其定時信息條件下就可以進行檢測,不足的就是訓練序列佔用了額外的頻率資源。
  10. This paper firstly introduces the primary contents of forecasting, summarizes common forecasting methods and means of both quality and quantity, discusses the theoretical and practical research evolvement of grey forecasting and evaluating, analyzes the pretreatment of fundamental data sequence according to the primary procedure of forecasting, specifies the contents of grey forecasting and evaluating theory, and then carries into execution the application research on the base of the science and technology index data of jiangsu province

    本文介紹了預測理論的基本內容,並對常用的定性定量預測方法和理論進行了簡要介紹,重點討論了灰色預測評價理論和實踐的研究進展,進而按照預測工作的基本程序分析了基礎數據序列的預處理方法,介紹了灰色預測評價理論的基本內容,並結合江蘇省科技綜合實力體系的數據進行了應用研究。
  11. ( 4 ) both multi regression model and generalized tank model have high precision in calibration stage, but sharply decrease in verification. beside that, the quantity of observed data is vital for these two models. so it is suggest that the models be not adopted when data sequence is less than 12 years

    西安理工大學碩士學位論文( 4 )多元回歸模型和概化的水箱模型,在建模時精度較高,檢驗時下滑,而且對資料系列長度的要求比其它模型要多得多,在資料不足12年的情況,建議不要使用這兩個模型。
  12. In addition, sometimes it is impossible to transmit training sequence. however blind equalization technique can depend on only the received data sequence to equalize the channels

    而盲均衡技術可以不用藉助訓練序列,僅僅根據接收到的信息序列對通道進行自適應均衡,因而引起廣泛研究。
  13. ( 3 ) interleave technology is used to deal with group errors. the interleaver can break the data sequence, and weaken the pertinence of the data sequence before and after interleaved. so it reduced the harms made by burst errors

    ( 3 )交織技術主要作用是對付成群錯誤,交織器把輸入數據的順序打亂,使得交織前後數據序列的相關性減弱,從而大大降低突發性錯誤造成的危害。
  14. The paper is focused on the high resolution study on mesozoic strata of beir depression, hailar basin, based on sequence stratigraphy and sedimentary theory. with core, logging and seismic data, sequence stratigraphy frame is established, spatial distribution of sedimentary facies and sedimentary systems is studied

    本文以層序地層學、沉積學理論為指導,充分利用巖心、測井及地震資料,對海拉爾盆地貝爾凹陷中生界目的層系進行了高精度層序地層學綜合研究。
  15. Because that way we can find repeating bytes, the most likely thing to repeat in a long data sequence

    因為在一個很長的數據序列中,最容易重復出現的就是位元組。
  16. This paper increases the accuracy of gm model by smoothing the original data sequence in order to improve gm model

    摘要用提高原始數據列光滑度的方法來提高gm模型的精度,從而改進灰色模型。
  17. This article deals with many modeling methods of dynamic data sequence and compares the advantages and disadvantages of these methods

    本論文首先研究了國內外多種關于動態數據序列建模方法,比較了各種方法的優缺點。
  18. Markov chain is suitable for short - term forecast of great capacity sample data sequence, but gray system forecast method is suitable for medium - term forecast of few capacity sample data sequence

    馬爾柯夫鏈適用於大樣本數據序列的短期預測,而灰色系統預測方法適用於小樣本數據的中期預測。
  19. This paper put forward the fundamental idea of gray statistical method and made some exploration on theory and practical application of gray principal component analysts and gray factor analysis, 1 the fundamental idea of gray statistical method the nature included in less - data sequence is called available nature

    本文提出了灰色統計的基本思想,從灰色主成分分析和灰色因子分析兩方面進行了理論和實證的探討與分析。 1灰色統計方法的基本思想由包含現實信息的少數據序列所表現的規律,稱為現實規律。
  20. After analyzing and studying the characteristics of the sequence generation of grey system theory, this paper proposes the concept of three - dimensional data sequence, extends the grey system theory from one - dimensional data sequence to three - dimensional data sequence and enlarges the application range of the theory in engineering. this paper also proposes a decomposition coefficient selection method and a partial concave - convex characteristic decision method to the preference generation, which can solve the problem that the internal point generated by the original method was inconsistent with the actual system. considering the errors existed in ends generation with step ratio and smooth ratio methods, the author proposes a tendency average generation and improves the quality of the generation greatly

    灰色建模與逆向工程兩者有其十分相似的內在關系,本文通過學科交叉,深入研究兩種不同學科理論,在繼承灰色系統理論這一我國原創性理論思想的基礎上,補充和豐富了新的內涵並將其滲透到逆向工程中的數據測量與數據處理技術的應用之中,使機械工程中甚少應用的這一灰色系統理論得到了進一步的拓展,主要成果如下: 1 .分析研究了灰色系統理論中序列生成的特點,提出了三維數據序列的概念,將灰理論的一維數據序列拓展到三維數據序列,拓寬了灰理論在工程中的應用范圍;提出了有偏生成演算法中生成系數分解選取方法和數據序列點局部凹凸特性決定生成系數的方法,解決了原有方法生成內點與實際系統不一致的現象;針對級比和光滑比用於生成端點有較大誤差的情況,提出了趨勢均值生成演算法,大大提高了端點生成的精度。
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