difference sequence 中文意思是什麼

difference sequence 解釋
差分序列
  • difference : n. 1. 差異,差別。2. 不和,爭論。3. 【數學】差,差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別,使有差別。
  • 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. Cytochrome b dna sequence difference in species identity

    基因的序列差異
  2. We present existence theorem for pseudo almost periodic solutions with piecewise constant argument by means of unique decomposite character and for pseudo almost periodic sequence solutions of relevent difference equations

    摘要利用偽概周期函數唯一分解性質,研究相關差分方程的偽概周期序列解,並以此為工具得出一類帶逐段常變量微分方程偽概周期解的存在唯一性。
  3. As to the high - density polyethylene, two strategies were performed : ( 1 ) after being modified by grafting polar groups on its backbone, polyethylene and organic montmorillonite were melt mixed directly, which could obtain the polyethylene / montmorillonite nanocomposites. the effect of groups grafted on the backbone on the efficiency of intercalation was investigated in this paper ; ( 2 ) choosing the grafters obtained in this experiment as the compatilizers, polyethylene / montmorillonite nanocomposites had also been prepared by melt mixing the polyethylene, grafter and organic montmorillonite. the difference of grafters and sequence of mixing on the intercalation result had also been analyzed

    對于高密度聚乙烯,採用以下兩種思路進行: ( 1 )對聚乙烯首先進行功能化改性,使聚乙烯分子鏈上接枝上不同的極性基團,將改性后的聚乙烯再同有機蒙脫土直接熔融復合,成功的制備了聚乙烯蒙脫土納米復合材料,並考察了接枝到聚乙烯主鏈上基團的不同對最終插層效果的影響; ( 2 )選用制得的接枝物作為相容劑,將聚乙烯,接枝物,有機蒙脫土三者熔融復合,也可以得到聚乙烯蒙脫土納米復合材料,並對選用不同的接枝物作為相容劑以及復合順序對最終插層效果的影響加以分析。
  4. After analysising three existed methods for phase difference correction on discrete spectrum, it is recommended to correct the spectrum containing small noise in engineer practice by the first phase difference correcting method ( performing fft analysis on two continuous original sequence ) with harming window

    綜合分析現有三種離散頻譜相位差校正方法,推薦在小噪聲工程實際中加hanning窗的第一種相位差法(采連續兩段信號作相同點數fft的相位差校正法)進行校正。
  5. The hierarchization of peasant communicative objects, diversification of relations between communicative subjects, and " the pattern of difference sequence " reflected in trust relation all reflected this kind of logic : the communicative behavior choice of peasant is a kind of rational choice on the basis of the the traditional " pattern of difference sequence " and the traditional " pattern of difference sequence " is heading for rationalization

    農民交往對象的等級化、交往主體間關系的多元化、信任關系的「差序格局」都反映出這樣一種邏輯:農民的交往行為選擇是在傳統「差序格局」基礎上的一種理性選擇,傳統的「差序格局」正在走向理性化。
  6. Statistics on code bias of alpha - amylase gene of bombyx mori and bombyx mandarina show that little difference exists between them. 3. sequence comparison of alpha - amylase gene of five insects

    五種昆蟲的q澱粉酶基因序列的比較分析野桑蠶a澱粉酶基因核苦酸序列與家蠶、草地貪夜蛾( spodotera戶u歸rdax玉米螟( ostrinianubilalison25 )和果蠅( dnsophilasubobsc 。
  7. Contrasting analysis with the genes sequence of bacillus subtilis 168 strain ' s bio operon, the sequence of bio operon of as 1. 1094 strain had 12 bases difference with that of 168 train, and 7 bases caused variation of amino acid

    1094菌株與168菌株bioafdb基因序列完全一致, 9個差異堿基是由於pcr擴增導致的。枯草桿菌生物素操縱子基因4個亞克隆序列的測序結果證實, asi
  8. Using the difference method and quasi - linearization method, the nonlinear differential equations, which include ten basic unknown functions in all, are reduced to a sequence of quasi - linear differential equations, which can be solved by the method of discrete orthogonalization

    採用差分及準線性化方法,將含有10個基本未知函數的偏微分方程組,變換成能用離散正交法編程求解的準線性微分方程組。
  9. The sequence units formed in different evolutional stages of basin show significant difference in sequence architecture, in depositional systems tracts and in sedimentary disposal patterns, which were predominantly determined by the paleo structural framework and the activation of syndepositional structures in the basins

    不同構造演化階段的層序結構和沉積體系域構成等存在顯著差異,主要取決于古構造格架和同沉積構造的活動。
  10. Then navigation asteroids are selected under a integral evaluation, the planning of the photoing sequence is handled with an improved genetic algorithm, along with a difference selection method which optimizes the ratio of navigation evaluation to resource consumption. a single axis randomized expanding algorithm is proposed to solve the large angle slew maneuvers planning problem. this algorithm randomly produces

    對于自主探測器大角度機動規劃問題,本文提出單軸隨機擴展演算法,單軸隨機演算法在生成隨機節點過程中充分利用鄰近點的信息,把規劃問題構造空間的維數由3減少到2 ,從而減少問題求解的搜索空間,最後利用前向搜索的方法對規劃路徑進行優化。
  11. The larvae fed by macrosiphum avenae ( f. ), rhopalosiphum padi ( l. ), myzus persicae ( sulzer ) and aphis citricola have not some difference on the larva weight, the pupa weight, growth and development. 6. the most frequent sequence of the foraging behavior of e. balteatus is : searching ? capture ? consumption - cleansing - break - searching

    明確了麥長管蚜、禾穀縊管蚜rhopalosiphumpadi ( l ) 、煙蚜myzuspersicae和繡線菊蚜aphiscitricola對黑帶食蚜蠅的生長發育無不良影響,是其較適合的食物;而甘藍蚜brevicorynebrassicae飼喂的黑帶食蚜蠅幼蟲存活率低,常不能正常化蛹,是其不適宜的食物。
  12. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵,即運動點目標的兩個位置相鄰近、灰度值一正一負,提出一種在復雜背景下,基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對,進而構造反相點對矢量圖,最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明,當信噪比大於或等於1 . 5時,可以有效檢測出運動點目標
  13. The chloroplast shsp gene was screened from the cdna library of tomato flower by pcr strategy and confirmed by sequencing. but difference was found at 3 bases of the sequence from the reported in genbank. then, an integrated vector prok ii of the chloroplast shsp gene and nptii gene ( a kanamycin resistant gene ) with camv35s promoter was constructed and introduced into tomato mediated by agrobacterium tumefaciens lba4404. transgenic tomato were screened by their ability of growing on media containing kanamycin

    本實驗採用pcr方法從番茄花cdna文庫中克隆到葉綠體shsp基因,經測序證實與genbank中已發表的序列在編碼區相差2個堿基,其中一個堿基導致1個氨基酸的改變。將葉綠體shsp基因定向克隆于帶有組成性表達啟動子camv35s的植物表達載體prok中,凍融法轉化農桿菌lba4404 ,利用葉圓盤法對番茄進行ti質粒介導的遺傳轉化。
  14. By making use of the characteristics of pseudorandom spread spectrum sequence in time - domain, this thesis has studied the time - domain correlation detection method of the dsss / bpsk signal and proposed the time - domain difference - accumulation detection method of the dsss / bpsk signal

    利用擴頻偽隨機序列在時域上的特點,本文研究了dsss / bpsk信號的時域相關檢測方法,並提出了dsss / bpsk信號的時域累差檢測方法。
  15. With a differential accumulation analysis of the fault closeness and the difference of faulted reservoir in beitang depression, it is suggested that ( 1 ) an inactive fault in clastic sequence may mainly restrict hydrocarbon migration ; ( 2 ) undercompacted shales with overpressure can lead to strongly restricting hydrocarbon migration along faults ; ( 3 ) hydrocarbon segregation associated with fault traps more probably takes place in undercompacted zone with abnormal hydropressure

    通過黃驊坳陷北塘凹陷斷層的封閉性及斷層油氣藏差異聚集分析,表明斷層在活動停止期主要起封閉作用,但在正常壓實層序段仍有少量輕組分的烴類沿斷層發生運移而引起差異聚集;而在欠壓實帶,異常高孔隙流體壓力使斷層在縱向上具有很強的封閉性。
  16. Firstly, a fourth - orders statistic hypothesis testing in inter - frame difference is used to automatically separate the moving areas from the background in a general video sequence. secondly, change areas are extracted as markers of the corresponding moving object. using the marker, region - growing algorithm can locate the precise boundary of moving object

    ( 3 )基於輪廓跟蹤;首先介紹了提取初始模板方法?基於高次統計的判決演算法,通過選擇合適的背景噪聲閾值,最終得到較好的結果,然後對於後續幀中的邊界提取,提出將灰度圖像所使用的區域生長方法進行改進,即將它們運用到彩色圖像中,通過選擇合適的生長規則,得到較好邊界圖。
  17. Abstract : in this paper, we investigate laws of large numbers of weighted sums of real - valued martingale differences. it is obtained that the sufficient conditions for weighted sums of real - valued martingale difference sequence satisfying the strong and weak law of large numbers

    文摘:研究了實值鞅差序列配重和的大數定律,得到了實值鞅差序列配重和的強、弱大數定律成立的充分條件
  18. Presents some results for weighted sums of multidimensionally indexed and stochastically dominated random variables using orthogonality of martingale difference sequence, which extend the related results of andr adler and andrew rosalsky

    利用鞅差序列的直交性質,推廣了單指標隨機控制隨機變量加權和的結果,給出了多指標隨機控制隨機變量加權和的極限定理
  19. Convergence rate of the estimate of the regression function under martingale difference sequence

    誤差為鞅差序列的回歸函數估計的收斂速度
  20. Utilizing ion - pair reversed - phase hplc, four kinds of oligonucleotides with size 18, 19, 20 and 21nt, respectively, were separated successfully. furthermore, two kinds of oligonucleotides with same size and difference sequence were successfully separated. linear regression equations of two standard samples have been set up

    在普通的高效液相色譜儀上,應用反相離子對高效液相色譜法成功地分離了4種長度不同的單鏈寡聚核昔酸( 18 、 19 、 20 、 zlnt )以及兩種序列不同的19nt單鏈寡聚核昔酸。
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