數子序列 的英文怎麼說
中文拼音 [shǔzixùliè]
數子序列
英文
subsequence-
We describe the meaning of chaos > future idea of chaotic theory and influence on forecast ; introduce the character of chaotic time series, and point out the problem and shortage of the methods already existed computing character value which are fractal dimension and the largest lyapunov exponent and improve on it ; present the forecast principle of forecast method based on chaotic attractor, and point out the shortage of local field forecast method based on chaotic attractor and bring forward improved on methodo at the same time, we put forward a banausic algorithm and compare two models using practical example
論述了混飩的含義與混淪理論的未來觀及其對預測的影響;介紹了。混飩時間序列的特徵,指出了己有的計算分形維及最大李雅譜諾夫指數這兩個特徵量的方法存在的問題與不足,並對此進行了改進;給出了基於混飩吸引子的預測方法的預測原理,指出了常用的基於混燉吸引子預測的局域法的不足並給出了改進方法,同時,給出了其實用演算法,並用實例進行了比較。So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks
結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系數以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。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。Chapter 2 on the locally ( weakly ) uniform rotundity of musielak - orlicz sequence spaces : rotundity is important property in the geometry of banach space. in this paper, criterion that musielak - orlicz sequence spaces equipped with the orlicz norm and luxemburg norm is locally ( weakly ) uniformly rotund was discussed in detail. moreover, we get the sufficient and necessary condition of them
第二章musielak - orlicz序列空間的局部(弱)一致凸:凸性是banach空間幾何理論的重要性質,本文詳細討論了賦orlicz范數和luxemburg范數的musielak - orlicz序列空間及它們的子空間的局部(弱)一致凸,並給出了它們的充分必要條件Thereafter, the applications of go sequences in single - cell s - cdma systems are discussed in this thesis. in additive white gaussion noise ( awgn ) channel, interference components in s - cdma systems accommodating more users than the spreading factor is analyzed based on the theoretical bound of the periodic correlation mean square property. then two interference - suppressed s - cdma system models of augmented capacity are proposed, along with the analysis and simulation results
在加性白高斯噪聲( awgn )通道條件下,以序列集周期相關均方特性理論界為基礎,對序列個數大於系統擴頻因子的s - cdma系統干擾組成進行了分析,並基於截短wh序列提出了兩種高容量低干擾s - cdma系統模型,給出了分析和模擬結果。( 5 ) method of bandwidth compression of holographic grating based on discrete spectrum and realization of a 1 / 8 bandwidth compression of holographic grating ( 6 ) holographic stereogram display that can be implemented using cgh and imaging process through capturing sequence parallax images based on result of computed basis fringe
採用空間頻率域的子采樣,計算了一個8倍的條紋函數壓縮編碼結果,並給出了簡單易行的解碼方式。 6 、利用獲得的基本條紋函數合成了一個基於序列視差圖像的立體圖顯示,實現了三維數據未知的物體的三維全息顯示。The first is to prove the slln for a subsequence of sn / bn then reduce the problem for the whole sequence to that of the subsequence
)的某個子序列服從強大數定律,再把這個結論推廣到整個序列上(如子序列方法) 。In the study of directional spectrum and reflection coefficient of multidirectional wave, firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction. then the composed wave trains are analyzed respectively by the mbdm and the mmlm. during the numerical study, the input factors include the various wave parameters, the different measuring wave system and the various reflect characteristic
在多向不規則波入射波方向譜和反射系數的分析研究中,利用方向頻率對應法模擬了多向不規則波入射波與反射波疊加的波面序列,將此合成波列分別應用mbdm和mmlm進行分析,通過輸入各種波浪參量、不同波浪測量系統和各種反射特性等因子,檢驗了mbdm和mmlm方法的適用條件,對兩種分析方法的性能進行了比較分析。2. the sequences variation of mitochondrial 12s rrna gene and phylogenetic relationships of anseriformes were studied based on the complete 12s rrna gene sequences of 36 living species of which 19 species were sequenced and other related data obtained from genbank
2 、研究測定了雁形目( anseriformes ) 19種mtdna12srrna基因全序列,結合genbank中雁形目種類相關數據,分析了雁形目36種鳥類12srrna基因序列變異及其分子系統發生。Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly
文摘:橋函數和廣義橋函數均為三值函數系,都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非正弦正交函數,如沃爾什函數和方波函數等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非正弦正交函數方面研究的一些新進展,重點介紹了復制理論和廣義復制方法,橋函數、廣義橋函數的復制生成方法、性質及其應用等專題The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method
這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通過對特權進程的系統調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報率和誤報率,而且使實時入侵檢測成為可能;設計有獨立而完整的特徵數據庫,根據被監控程序的類別,分別設計正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行頻度優先原則,優先分析和處理信息表中的高頻度行為特徵,提高檢測的速度和效率,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。The cloning cdna fragment was extracted from positive clones and sequenced. the results showed that the cdna fragment was 816bp in size, encoding a protein which included 272 amino acids. the sequence homology analysis was carried out via the software blast 2. 0 network service in the four large databases - genbank, embl, ddbj, pdb, which had recorded 1 337 978 nucleotide and protein sequences. the results of the analysis indicated that the nucleotide homologous rates between the rubber tree etr and 15 recorded etrl of other plants ( mango, passion fruit, persia plum, strawberry, grape. . etc ) were 75 % - 80 % ; the protein homologous rates between the rubber tree etrl and these recorded etrl genes were 90 % - 95 %. from the results mentioned above, we could confirm that the cdna of rubber tree etrl had been cloned
從陽性克隆子中提取克隆片段,經序列測定分析,結果表明,克隆片段的cdna大小為816bp ,編碼的蛋白質包含272個氨基酸。基因序列通過blast2 . 0networkservice軟體對genbank , embl , ddbj , pdb四個大型數據庫中記錄的1337978條核酸和蛋白質序列進行序列相似性檢索,結果表明與芒果、一西番蓮、波斯梅、草毒、葡萄、西洋梨等15種已報道的植物的etrl基因cdnag的同源率為75 88 ;蛋白質氨基酸序列的同源率為90 95 ,表明本研究確實克隆到了橡膠樹etri基因的cdna序列。 4So must use information theory method depict and abundant the genetic diversity index system. in addition to, the introduce of molecule biology technology and the research of nucleotide sequence evolutive give a new method for population genetic, so must do deeply research about the analysis method of dna sequence data = the research main about the follows : there are three parts about the information model of population genetic : one about the shannon information entropy property of equilibrium population and the entropy change in the process of establish equilibrium ; another research is about the diversity measure - ment of genetic variation ; lastly, research the shannon information measurement about the disequilibrium gene variation. the result is : 1 to a definite gene distribution, the genotype entropy reach the maximum at the equilibrium population, the process of population from disequilibrium to equilibrium, the entropy get large and large
此外,分子生物技術的介入及核苷酸序列進化的研究都為群體遺傳學的深入研究提供了新的途徑,但關于dna序列數據的分析方法需要作進一步的研究。本研究主要體現在以下幾個方面: (一)關于群體遺傳學的信息論模型研究,主要分為三部分內容:一是群體平衡的shannon信息熵的性質和群體平衡建立的熵變性質;二是群體遺傳多樣性測度的研究;三是非平衡群體的基因變異測量shannon信息量的方法研究。得到了如下結論: 1 、平衡群體的shannon信息熵最大,群體平衡的過程是熵的增大過程。Then based on the analysis of the constructions of wh, go and ls sequences, the corresponding correlation properties are derived and methods of selecting subsets with good periodic mean - square cross - correlation property or aperiodic mean - square correlation property from the wh set and go sequence set whose go zone z = l are investigated. furthermore, the methods of truncating the go sequences to obtain the quasi - orthogonal ( qo ) set whose family size m is larger than the length l and the quasi - generalized - orthogonal ( qgo ) set whose size m is larger than li2z are discussed, together with the numerical results of the correlation properties
基於這些結果,探討了如何從wh序列集和廣義正交區z = 1的go序列集中,分別按照周期互相關均方特性最優和非周期相關均方特性最優的準則選擇性能較好的序列子集;同時討論了將廣義正交序列截短來獲得準正交( qo )序列集和廣義準正交序列集( gqo )的方法,並給出了這一類序列相關特性的數值計算結果。According to the numbers of segmentations, dts has multi scale feature and can reflect different trend similarity of time series under various analyzing frequency. 2 ) an enhanced algorithm, based on dual threshold value, and the conception of sub - series linear are proposed. relative point average error is used to measure the linear degree of sub series, which produced by bottom _ up algorithm
對應時間序列線性分段數目的不同,序列趨勢距離具有基於時間的多尺度分析特性,可以有效反應不同分析頻率下時間序列的相似程度; 2 )採用相對點平均殘差衡量bottom _ up演算法劃分的子序列線性度,提齣子序列線性度概念和一種雙誤差閥值改進演算法,大大提高了趨勢序列模型的準確性。Given a query sequence, the sub - sequences are looked up in the index to reduce the amount of time and searching involved
給定一個被查詢序列,將根據索引來查詢子序列,從而減少查詢次數和時間。General method of similar sequence mining based on time series is to transform time series into discrete character series and cluster them into different sets, then compute the euclidean distance between querying series and these sets to measure their similarity
摘要時間序列數據庫中相似子序列的搜索,常用滑動窗口、分形插值逼近等方法將時間序列分割成各子序列,線性擬合各分段子序列,計算查詢序列與各子序列的歐氏距離,滿足距離閾值條件的為相似子序列。The first part of the present paper is preliminaries. at the second part we show a lemma as follows : supposing s1, s2, . . are strictly increasing sequences, then there exists a strictly increasing sequence t such that for any i, si and t contain a common subsequence having upper density 1 in t. using the lemma we give a chaotic form more rigorous than distribution chaos in a sequence
本文第一部分介紹有關的預備知識;第二部分首先證明了一個關鍵性引理:對于給定的可數(包括有限)個嚴格遞增的正整數序列s _ 1 , s _ 2 , … ,可以找到某一個嚴格遞增的正整數序列t ,使得對于每一個i = 1 , 2 , … ,序列s _ i與序列t有一個共同的子序列,它在序列t中的上密度為1 。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。The simulation on synthetic data and stock index is demonstrated. 3 ) for fast sub trend sequence searching, a various steps algorithm is proposed based on analyzing the similarity of adjacent sub series distance
並分別對人工數據和股票指數進行模擬計算; 3 )通過分析相鄰子序列趨勢距離的相似性,提出一種變步長趨勢子序列快速搜索演算法。分享友人