突變點 的英文怎麼說

中文拼音 [tūbiàndiǎn]
突變點 英文
abrupt junction
  • 突 : Ⅰ動詞1 （猛沖） dash forward; shoot out 2 （高於周圍） protrude; bulgeⅡ副詞（突然） abruptly; sud...
  • 點 : 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「、」）...
  • 突變 : 1 （突然急劇的變化） sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. The point of singular signal ' s conjoint pixel always changes acutely in its gray - level value. the gray - level distributing gradient of conjoint pixels can show this change

    而信號的奇異點或突變點往往表現為相鄰像素點處的灰度值發生了劇烈的變化，我們可以通過相鄰像素灰度分佈的梯度來反映這種變化。
  2. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  3. It has been reported that the eiav s2 is not essential and does not appear to affect virus infection and replication in vitro. thus, we introduced a his - tag into the s2 gene of an eiav infectious molecular clone recombinant plasmid ( pok8266 ) by using soe pcr method and obtained a new recombinant plasmid with his - tag, designated as eiav - pok8. 2 - his

    本研究應用已構建好的eiav驢白細胞弱毒疫苗株的感染性分子克隆載體（ pok8266 ）為模板，通過soepcr方法在感染性分子克隆載體的s2基因獨特區內引入突變點，形成含有酶切位點（ nspv ）的突變體（ p1p4 ） 。
  4. At last, the model and practical data including mutating data are processed with this method and e processing results show that the false points of data section are completely rejected without losing the useful information, and it is easy to be interpreted

    最後用該方法對含有突變點的剖面模型數據和野外實測數據斷面進行處理，處理結果表明，突變點被完全剔除，但不損失有用信息，易於對其進行推斷解釋。
  5. Combined with the graph correlating the first resonance frequency with driving point location, the method localizes the crack by monitoring a jump in the graph

    結合裂紋梁第一階諧振頻率與驅動點位置關系曲線，利用曲線上出現的突變點，準確地識別了梁的損傷狀態和裂紋損傷位置。
  6. The application of the b - spline wavelet analysis method to series of climate and external forcing factors is introduced. using lag - correlation analysis method, interpretative variances analysis method, phrase comparing method to the wavelet analysis result, we not only gained the variation at different scales of the global temperature and el nino signals, the location of the jump points and latent scale of these series, but also indicated the magnitude, extent of the effect of external forcing factors on them

    利用小波分析方法，輔之以滯后相關分析解釋方差分析及位相對應比較方法，得到了氣溫變化及enso活動在各尺度層次上的變化，突變點位置及特徵尺度，並確定了太陽活動火山活動和溫室效應等外強迫因子對氣溫及enso的影響尺度幅度及響應時間。
  7. In chapter 2, we use the icss : mv algorithm ( bos and hoontrakul, 2002 ), which extends the algorithm of iterative cumulative sums of squares to mean and variance, to estimate the structural breakpoints of series of share indexes returns in shanghai and shenzhen stock markets

    首先，在第2章，我們運用bos和hoontrakul （ 2002 ）的icss : mv演算法，對股指收益序列進行了結構性突變點測試。
  8. For example, the jump points that 8 years converging upon 1 year are in 1958, 1970, 1981 and 1998

    存在不同尺度周期的突變，如8a尺度輻合到1a尺度的突變點位置為1958 、 1970 、 1981 、 1998年。
  9. ( 1 ) the winter air temperature in north - east china was in cold period before 1985, and lowest in 1960 ' s ; were in warm period after 1985, and got warmest in this period, the catastrophic time is 1986

    研究結果表明： （ 1 ）東北冬季氣溫80年代中期以前處于冷期， 60年代達到低谷， 80年代中期以後處于暖期，並達到49a最高峰， 1986年是由冷轉暖的明顯突變點。
  10. Because of high intelligence of gmdh modeling, the location and the break kind of break - point can be determined automatically, then the optimal model can be obtained

    由於gmdh建模的高度智能化，因此能夠自動選擇結構突變點的位置和突變類型，準確地得到最優的結構突變點。
  11. Furthermore, selecting the criterion value of f incremental statistic may control the significance of the breaks in order to accommodate to variant investigation intentions

    同時，由於f增量貢獻統計量的使用，可以通過調整f增量貢獻值來控制搜索的結構突變點的顯著程度，以適應不同的研究目的。
  12. The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test

    第一時間系數變化大體有如下特點：對年和季節來說， 60年代系數多表現為正值， 70年代多表現為負值，突變點多發生於60 、 70年代，特別是60年代；第二時間系數在年、春季、秋季表現為波動很小，夏季和冬季則很大，突變點多發生於80 、 90年代，特別是80年代；第三時間系數正負變化趨勢不明顯，只是90年代後期在年和夏季降水中升高明顯；第四時間系數基本無明顯正負趨勢可言，只是正負交替出現，突變點集中出現在90年代；同第四時間系數相似，第五時間系數亦無明顯正負趨勢，突變點多出現在90年代；第六時間系數正負交替明顯，進入叨年代后負趨勢為主，突變點分佈較均勻，但仍以904atvjz多；突變點出良多，但突變區域艾擇no 05 ggrr著性以上的卻有限。
  13. In the design and debugging process we found that two different caps with parallel connection may make the amplifier instability. with the analyses of the nonideal cap molding we found that the response curve of two different caps with parallel connection has a saltation whose impedance is infinity and at this pot the amplifier is easy to oscillate. than some suggestion of the use of cap in amplifier design is presented

    在放大器的設計、調試過程中發現兩個不同容值的電容並聯會帶來電路的潛在不穩定，對實際電容，即帶有寄生電感和寄生電阻的電容，建模、分析后發現，不同容值的電容直接並聯其響應曲線會有一個阻抗值為無窮大的突變點，該突變點可能會引起電路的自激。
  14. 24 nucleotides differences existed between the vp3 gene of hland b isolates are mainly distributed from 312bp to 4l7bp and 79lbp to i276bp, the two regions might be mainly the high mutation regions. the deduced amino acid sequence of hl isolate has nine amino acids differences with gpv b jsolate which locates mainly in the region from 266aa to 417aa

    除個別突變點外，大多數變異集中在兩個區域， vp3基因5 』端312bp - 417bp區和3 』端791bp - 1276bp區，由該序列推導的氨基酸序列與gpvb株有9個氨基酸發生改變，集中在266位和417位氨基酸之間，這一區域可能是vp3基因的高變區。
  15. Use wavelet analysis dwgs of shanghai, tianjin, xian and wuhan by the time 1470 to 2000. discuss the abrupt situation. at last, we use the arithmetic of lemper - ziv complexity to resolve the complexity of shanghai, tianjin, xian and wuhan

    利用子波變換對上海、天津、西安和武漢的1470年? 2000年的旱澇等級序列資料進行了分析，討論了突變點的位置變化，並利用蘭帕爾?齊夫復雜性演算法將以上各地區進行了粗粒化，求出它們的復雜度。
  16. In the measurement of the high density resistivity method, there is often some false data in the data section because of the influence of poor earth contact of electrodes and other interference factors etc., which can cause false abnormality of data section and make data interpretation difficult

    摘要針對在高密度電阻率法測量過程中，數據斷面易出現突變點，而造成電阻率擬斷面圖虛假異常，難以準確解釋的情況提出了一種快速、高效的剔除突變點的方法。
  17. The different distributions of surface level pressure, wind ( 10 meter ) and surface air temperature before and after the regime shift indicate that the increase of aleutian low, position change of its core, and the change of wind field in accordance, especially during the winter months, are the major dynamic reasons for the significant reduction of ice extent in bering sea

    結果表明： 20世紀70年代後期，海冰范圍在白令海存在顯著的均值突變現象，而楚科奇海在對應階段則表現為更明顯的變頻現象；在突變點前後兩個時段里，阿留申低壓中心低壓加強、核心位置偏移以及對應風場分佈的變化是導致白令海海冰范圍明顯縮小的主要動力原因。
  18. Using the wavelet de - noising techique, the nosing signals are filtered out and the signals of sharp transition are located

    利用小波消噪技術可以濾除信號噪聲，提取出信號的突變點。
  19. The new denoising method not only preserves signal ' s original features, but also has stronger ability to remove noise

    用該方法去噪既能很好地保持信號突變點的原有特性，又具有較強的去噪能力。
  20. 4 ) it ' s improper to divide the episodes of china ' s stock market to macro extent according to the breakpoints estimated through icss : mv, for there are so many breakpoints

    （ 4 ）希望藉助市場股指收益序列的結構性突變點的測量，來對股市進行一般宏觀意義上的階段劃分，還欠合理。
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