間序列變率 的英文怎麼說

中文拼音 [jiānlièbiàn]
間序列變率 英文
intersequential variability
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
  • : 率名詞(比值) rate; ratio; proportion
  1. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻技術的引入降低了系統定距固定誤差這一新的結論,即頻調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻的選擇原則,並構造了基於rs碼的寬隔頻族。
  2. As analyzed, ( 1 ) the rapd technique is highly sensitive to investigating genetic diversity in t. lepturus and e. muticus. t. lepturus exhibits lower polymorphism and genetic diversity than e. muticus ; ( 2 ) according to the analysis of the partial mitochondrial 16s rrna gene sequences, a very low intraspecific variation and considerably high divergence among species were found, which reveals a dual nature of conservatism and variability in mitochondrial 16s rrna gene ; ( 3 ) five primers generate the species - speeific rapd sites and these sites can be served as the molecular markers for species identification and ( 4 ) it can be proved at dna variation level that t. lepturus and e. muticus are of two species respectively pertainiag to different genera, which supported the nelson taxonomic conclusion

    分析結果表明: ( 1 ) rapd技術研究黃海帶魚和小帶魚的遺傳多樣性具有較高的靈敏度和檢出,帶魚的多態比例和遺傳多態度均較小帶魚的低; ( 2 )線粒體165出兇a基因在分析兩物種遺傳異時表現出保守和異的雙重特性,種內異極小而種較大: ( 3 ) 5個隨機引物擴增出種特異的ra衛d帶,可作為種分子鑒定標記; ( 4 )研究證實帶魚和小帶魚是不同屬的兩個種,從而在分子水平上支持了nelson分類系統的觀點。
  3. In this paper, we use nonparametric regression method in chinese financial time series, we also use both kernel regression after improving cross - validation function and local polynomial estimation of regression under mixing condition to study and analyze the volatility in chinese stock market

    在本文中,我們把非參數回歸的方法運用到我國實際的金融時數據之中,討論了我國股價指數收益的易性。而在用非參數回歸進行估計時,選擇合適的窗寬有著重要的意義。
  4. It is the first time to use the conventional espi system ( neither phase shifting nor carrier is used ) to continuously analyze the super low frequency vibration with high quantitative in the world

    在火箭固體燃料動態力學特性研究中,時法成功的給出了固體燃料的蠕曲線和蠕曲線,並且給出了其熱形和蠕不同時刻的全場位移分佈。
  5. A novel communication receiver which uses lapped transform ( lt ) incorporating modified median filter ( mmf ) algorithm is designed for narrow - band interference excision. the lt domain mmf algorithm takes full advantages of the direct sequence spread spectrum signal, as well as the characteristics of lt, performing the transform domain filtering twice. the first filtering locates the position of interference and mitigates most of them. the second filtering is performed in a small neighborhood of the located interference. so lt domain mmf algorithm can completely mitigate the interference without distorting the desired signal. simulation results demonstrate the improved ber performance and increased robustness of our receiver

    本文採用改進的重疊換域中值濾波演算法進行換域抗干擾處理.該演算法既考慮到直接擴頻信號的特點,同時又利用重疊換的特性對換域系數進行了二次濾波.該演算法節省處理時,並且不需要有關干擾的先驗知識,系統性能不會隨干擾頻化而化,因而是一種很穩健的處理方法
  6. For instance, we can use the granger causality test in econometric to help artificial neural network choose input variables, and use the principal factor analysis to help decrease the number of input variables, so that we can enhance the efficiency of artificial neural network

    如可以使用時中的granger因果關系檢驗來幫助進行輸入量的篩選,採用主因子法來減少輸入量,以提高人工神經網路的效等。
  7. Then the paper investigated the regularity of different oil indices using time series statistical analysis method, which suggested that there are some regular components in it, including long - term secular trend, seasonal component and long - term cyclical component. the irregular component also plays an important part in it, mainly including the policy of opec, war, all kinds of international convention for the prevention of pollution from tankers and so on. and then a study of simulation and forecasting performance of arima time series model was conducted to crude oil indices, evidence shows that arima model performs better, especially for short - term forecasting

    在此基礎上,本文以時分析作為基礎研究手段,以德國海運費指數公布的1980年1月至1999年12月的四類油運費指數為研究對象,分析了四類油運費指數的長期化趨勢、季節化規律、長期周期循環化規律和不規則化規律,並應用arima時模型對160000dwt以上的原油運費指數進行了短期預測,取得了較好的預測效果。
  8. The results of emsa showed the obvious retardant bands, which suggest that some proteins in nuclei can bind to the specific dna sequence of mbd3 gene after lps treatment. 5. the molecular mass of this dna binding protein was assessed between 43. 0 - 66. 2 kd by south - western blot

    4 .電泳遷移實驗有明顯的滯后帶形成,表明lps刺激后,肝臟組織的細胞核內有轉錄因子與mbd3基因特異的dna結合,參與mbd3基因的誘導表達5 . south一westemblot進一步確定此轉錄因子分子量在43 . 0一「 . 2kd之
  9. The paper decomposes the visitor ' s flow sequence made of different frequencies into the low and high frequencies in the multi - resolution analysis according to the characteristic of visitor ' s flow sequence frequencies and then restores the trend components according to the reconstruct principle of wavelet coefficients, in order to deduce the visitor ' s flow trend

    摘要根據旅遊流量的頻分佈特性,運用小波分析將不同頻成分組成的時分解成低頻和高頻成分,然後依據小波系數的重構原理還原時的趨勢成分,判斷旅遊流量時的趨勢化。
  10. Making use of the time series exhibitions of the fluctuation - rate datum, we make our study for the following two purposes : one is to observe whether the preannouncing companies " temporal - condition variance of the series of the return rate conforms to the demand of sta bility ; the other is to decide whether the preannouncing companies " stocks have asymmetrical - information adjustment, this is to say, to decide how the companies response to good or bad news

    為了進一步檢驗盈餘預告新規則實施效果,我們考慮從波動性入手對股票市場的穩定性進行系統分析。我們嘗試利用波動數值的時表現進行研究,力圖了解:預告公司股票日收益的時條件方差是否滿足穩定性要求。預告公司股票是否存在信息非對稱性調整現象,即對利好利空消息分別做出何種反應。
  11. Then, seeing into the meaning of four grey incidence axioms, we establish a computation model of grey incidence degree - evolvement model, which gets over the shortcomings of present models, and prove it to be scientific

    在此基礎上,領會灰色關聯度公理的內涵,提出了一種灰色關聯度量化模型綜合模型,該模型既考察的絕對位置差異,也考察其的差異,克服了現有關聯度量化模型的缺陷。
  12. Based on piecewise linear model, this paper proposes an estimation method that first estimates the slope of linear variant and the channel impulse response at the middle time of the current ofdm symbol using pilot sequences, and then estimates the whole channel impulse response through the estimated parameters

    該演算法首先利用導頻估計出當前ofdm符號隔內通道線性化的斜和中時刻通道的沖激響應值,然後根據線性模型利用估計出的參數得到當前符號隔內所有時刻上的通道沖激響應。
  13. After that, she adopts game theory to study twice price reductions. from the game primary factors such as participants, strategy and benefits, she sizes up the efficiency of the price competition, and analyzes the strategical selection system in competition and cooperation between humen bridge co. and humen ferry co. in the third section, firstly, she draws out the linear regression formula with time series data and vehicle flow to estimate future flow under the condition of un - reducing price with the tools of statistics

    第三部分先用統計學的基本原理和分析工具求得虎門大橋車流量與時的線性回歸方程,來推算假設在未調價條件下的年流量;再運用管理經濟學的價格彈性理論比較調價前、后的車流量和價格的化關系,求出二類車的價格彈性系數,用以判斷虎門大橋這次二類車調價策略的效性。
  14. Our results show that the rate of correlation among the random variables of those output sequences are low although they are not independent ; in addition, the output sequences of those combined generators are homogeneous markov chains which are strictly stationary processes with ergodicity ; the output sequences of those combined generators are also proved to summit to the strong law of large numbers and the central limit theorem ; finally the computation formula of the rate of the accordance between the output sequences and input sequences of those combined generators is given

    我們的研究結論表明:雖然這些中隨機量之不具有相互獨立性,但它們的相關程度卻比較低;證明了「停走」生成器, km _ 1m _ 2型組合生成器和加法型組合生成器的概模型輸出都是強平穩的和遍歷的齊次馬氏鏈;討論了這些的概極限性質,證明了它們均服從強大數定律和中心極限定理;還分別給出了各類生成器的輸出與輸入的符合的計算公式。
  15. In this paper it is proved that there are no scramble sets with nonzero invariant probability measure and especially there are no sequence - distribution - scramble sets with nonzero invariant probability measure in the minimal mappings of a compace metric space and interval mappings with zero topological entropy

    摘要證明緊度量空的極小映射以及拓撲熵為零的區映射不存在具有非零不測度的混沌子集,特別不存在具有非零不測度的分佈混沌子集。
  16. In the paper, the esd stressing tests for n - channel mosfets are performed, and main electrical parameters, 1 / f noise spectrum and its time series are monitored during the test. it is found that the 1 / f noise changes much more sensitive to the esd latent damage than the electrical parameters, at the same time, similarity coefficient also changes more quickly especially for smaller w / l devices

    通過對mos器件的靜電應力試驗,同時監測試驗過程中器件的電參數、 1 / f噪聲功譜密度以及由1 / f噪聲的時提取的相似系數化,發現1 / f噪聲對于靜電應力引起的損傷要比電參數的化敏感得多。
  17. Shifts of focuses of research orientations, from the original increase in labor and capital amount to technology advancement and development of labor ’ s quality, from the functioning of material capital to the development and exploitation of human resources, and from increase in various invested factors to increase in efficiency of resources allocation of the enhancement and the functioning of organizational management in factors ’ integration, have all reflected the deepening understanding of people concerning the relative status of various economic growth factors in the economy of knowledge

    通過在內生經濟增長模型中引入金融量和金融市場要素,我們針對時數據對我國金融發展與經濟增長之的關聯性進行了實證檢驗,我們發現金融發展對經濟增長的作用渠道主要是通過影響資本積累和資本效來實現。金融體系與經濟增長的作用機制為:金融深化可以促進資本積累,金融部門效的提高促進資本效的改善,二者共同成為金融發展與經濟增長互相促進的動力。
  18. In this essay, firstly the author analyzes the predictability of time series from china ' s stock exchange using three kinds of methods : arma model, neural network model and non - parametric estimation and gives evaluation on their performances while at the same time puts forward some conclusions deserving attention from both stock exchange supervising department and stock traders. secondly, the author examines the assumptions closely on which the above - said methods base and gives a detailed discussion on them, especially using garch model to test quantitatively the stability of china ' s stock exchange, afterwards drawing the conclusion that it is hard to make accurate prediction of price or return rate of china ' s stocks for none of the assumptions fully holds ground. thirdly, taking account of the difference between chinese stock traders as a whole and that of developed countries, the author gives a thorough analysis on the complexity and volatility of its ( traders " ) reaction to information and points out that the intrinsic heterogeneous and volatile reaction to information is an important reason for the almost unpredictability of the price or return rate in china ' s stock exchange

    本文首先採用arma模型、非參數模型以及神經網路模型對我國股市時進行研究,對三種方法在分析我國股市時的表現進行評價,並得出了一些對監管部門以及股票交易者有借鑒意義的結論;其次作者對三種模型分析我國股市時的前提進行了討論,特別是利用garch模型對我國股市的系統穩定性進行了量化檢驗,得出了前提難以滿足導致準確預測我國股市價格或收益困難的結論;第三,考慮到中國股市股票交易者群體與發達國家股市股票交易者群體之的差異,作者借用行為金融學的理論成果對我國股票交易者對信息反應的復雜性和易性進行了詳細分析,指出股票交易者對信息反應的異質性和易性是造成難以準確預測我國股市的一個重要原因,考慮到我國股市以散戶為主導的特性將長期存在,因此將行為金融學的研究結論納入對我國股市時的量化研究具有重要的意義;最後,作者從唯理預測與唯象預測之差異的角度出發,指出了唯象預測的缺點並對我國股市時的研究方向進行了展望。
  19. This paper has quantitatively analyzed its evolution features, especially the connection between urbanization and economic development as well as its regularity, from two angles of time - order of urbanization change, and connection between urbanization and economic development

    文章從城市化水平的化時、城市化水平提高與經濟發展的關聯性兩個角度,定量分析了其演化特徵,特別是與經濟發展的關系及其規律性,指出西安市城市化的效在各時期不斷提升(結構彈性減小) ,集約化程度提高,城市化、非農化逐步走向合理。
  20. In order to improve the efficiency, we use the sampling points of the sequences to compute the distance of two sequences. the distance of sampling points is used to filter the sequence of the database, so the similarity searching space is reduced and the efficiency of the query is improved

    在保持化模式的前提下,使用抽樣點來計算的dtw距離,並依據抽樣比和查詢參數選擇過濾距離對數據庫進行過濾,實驗結果表明,抽樣過濾的方法明顯提高了查詢效
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