隨機相依 的英文怎麼說
中文拼音 [suíjīxiāngyī]
隨機相依
英文
random dependence- 隨 : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
- 機 : machineengine
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 依 : Ⅰ動詞1 (依靠; 依仗) depend on; rely on 2 (依從; 同意) comply with; listen to; yield to Ⅱ介詞...
- 隨機 : random stochasticrandom
- 相依 : depend on each other; be interdependent; correlative with
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The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar
電離層是隨機時變,各向異性,非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量,必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態,對短波通信和天波雷達工作起了重要的輔助作用。A measure of dependence between random variables based on copula
對隨機變量間相依性的度量Hidden markov models have been widely used for modeling sequences of weakly dependent random variables, with applications in as such as speech processing, neurophysiology and biology
隱馬爾可夫模型可應用於弱相依隨機變量的建模上,也可用作研究發音過程、神經生理學與生物遺傳等方面的工具。This paper reviews the history of research of long - range dependence and self - similarity in data network traffic, introduces the related concepts and discusses the physical interpretation of long - range dependence and self - similarity along with fractional brownian motion. finally, a method for generating fractional brownian motion random series is analyzed
本文將介紹長程依賴和自相似在計算機網路研究中的歷史狀況,相關數學概念,給出了基於分數布朗運動的計算機網路業務流呈現長程依賴和自相似屬性的數學和物理解釋,討論分析分數布朗運動隨機序列生成方法。We analyse the dispersion of stock returns and have the tests of serial correlation. the results show that the trading mechanism has a significant effect on a number of characteristics of stock returns. first, the distribution of open - to - open returns has greater variance than that of close - to - close returns. second. the serial correlation pattern is quite different in the two return series. the open - to - open returns have negative autocorrelation coefficient, but the close - to - close returns is positive. further, employing an arma ( 1, 1 ) model we find that in the opening. returns exhibit higher residual noise and stronger dependence on past returns, reflecting stronger deviations from the random - walk form of the market efficiency hypothesis
主要表現為:一,開盤收益序列比收盤收益序列具有更大的方差。二,兩種收益序列的序列相關形式不同,開盤收益序列表現為負相關,而收盤收益序列表現為正相關。而且我們通過arma ( 1 , 1 )模型的進一步檢驗,發現開盤收益序列比收盤收益序列具有更大的殘差,更依賴于過去的收益序列,也更偏離於市場有效的隨機遊走形式的假設。Nonlinear viewpoints on development of science is depended on that the science is the partial system of society system, and it not only has the nonlinear interaction which is the source and motive force of development, but also has strange attractor which lead to order in the disorder, that is science problem and science theory, matthew effect and priority. the development of science also possesses sensitive dependence to the primary condition. it will flux and reflux suffered from the influence of various random factors inside and outside of system
科學發展的非線性觀立足點就在於科學是社會系統的分系統,它不僅有非線性相互作用,這構成了發展的源泉和動力,更有導致無序中產生有序的奇異吸引子(科學問題與科學理論, 「馬太效應」與「優先權」 ) ,在發展過程中對初始條件也具有敏感依賴性,並受到系統內部、外部的各種隨機因素的影響而產生漲落,在常規發展時期表現為科學的漸變,也就是量的積累,當漲落放大時就表現為科學革命,即質的改變。Complete convergence of m - dependent random b - valued elements
相依隨機元序列的完全收斂性Another selectivity from the measures of association between random variables
隨機變量相依性度量指標的另一種選擇In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22
文章第二部分中,我們用隨機級聯模型對高能碰撞中的非熱相變作了仔細研究,用montecarlo模擬得到了表徵相變的特徵參數_ q與矩階數q之間的關系,證實了自相似多粒子系統中存在兩相,求出了相變點q = q _ c對起伏參數的依賴關系,並和na22實驗結果進行了比較。The results of experiments analysis data put also up some reference to establish the chinese national standard " comfort evaluation of human exposure to whole - body vibration in recumbent position " ( gb / t 18368 - 2001 ) and auto trade standard " the tests method of sleeper buses ride comfort with random input " in light of the correlate national standard and auto trade standard, the vibration tests data of buses and trains were studied
試驗數據分析結果為制定國家標準「臥姿人體全身振動舒適性的評價」 ( gb t18368 - 2001 )和汽車行業標準「臥鋪客車平順性隨機輸入行駛試驗方法」 ( qc t677 - 2001 )提供了科學依據。依據相關國家標準和汽車行業標準,對公路和鐵路的臥鋪客車臥姿乘客振動試驗數據作了進一步分析。Narrowband watermarking information is spread into wideband pseudo - random code before being embedded by modifying the scale of the distance between vertexes in two - dimensional engineering graphics
該方案先將待嵌入的窄頻帶的浮水印信號擴頻為寬頻帶的偽隨機序列,然後再以偽隨機序列為依據對二維工程圖中直線實體的長度作相應的修改。Firstly in this part, computer simulation methodology based on the baecher model for generating network of discrete fractures was presented, which includes the follow details : probability distributions of fracture density, orientation, trace length, size, and aperture and estimation of their statistical parameters ; stochastic models of fracture network ; monte - carlo ' s simulation method ; numerical simulation procedure and technicality. then, boundary element method was used to calculate flow through the generated fractured network. assuming single fracture as a two - dimension inexpressible isotropic porous media, boundary element method equations for flow in single fracture and then in fracture network were derived using the weighted residual method
給出了離散裂隙網路模型所依據的基本假定;發展了基於baecher模型的離散裂隙網路計算機隨機生成技術:詳細地推導了單裂隙滲流和多裂隙相交網路滲流的邊界單元法公式,發展了離散裂隙網路中穩態滲流的邊界元數值技術,並且討論了相關的具體數值技術細節,如角點的處理方法,單元的自動剖分等:描述了混合邊界元?管流模擬方法及其數值實現;研究了裂隙網路的簡化方法,並針對裂隙網路邊界元法的特點提出了一種改進的分塊三角分解法。In contrast to conventional optimization algorithms whose iterates are computed and analyzed deterministically, randomized methods rely on stochastic processes and random number / vector generation as part of the algorithm and / or its analysis
傳統的最優化演算法中迭代的計算和分析是確定的,與之相比,隨機方法依靠隨機過程和隨機數字/向量的生成作為演算法和(或)演算法分析的一部分。Based on the geometric meaning of the reliability index, the optimization method for the reliability computation is constructed, and the correlated abnormal distribution random fields are addressed
對非正態分佈、相關變量隨機場進行了處理,依據可靠指標的幾何意義建立了可靠度計算的優化演算法。According to the age subdivision, by means of random sampling, the body data of female college students in the northwest region aged from 18 to 25 was collected, through the most advanced untouched 3d - body - scanner made in germany, and then the numerical values of main position by the spss11. 0 are concluded
摘要以年齡細分為依據,針對西北地區18 ~ 25歲在校女大學生,採用隨機抽樣的方式,使用目前最先進的德國3d非接觸三維人體測量儀進行身體數據採集,並以spss11 . 0數據軟體進行分析,得出控制部位相關數值。In this paper, some limit behaviours of two kinds of special dependent random variables are investigated. it divides two chapters
本文主要研究了兩類特殊的相依隨機變量的極限性質,其共分兩章。At first, we prove the complete convergence of triangular arrays. then, we give the complete convergence of associated random variables. at last, the almost sure convergence and complete convergence of - mixing random variables " order statistics are given
樣本及m -相依樣本三角組列的完全收斂性;接著研究相伴隨機變量序列的完全收斂性;最後,還給出了混合隨機變量次序統計量的強相合性及完全收斂性。Dependent stochastic variable
相依隨機變量This article gets some good results on the random fields of dependent random variables on the base of the studies of one dimension integer random variable serials with extending it to a tree
本文就是在一維整值隨機變量序列研究的基礎上,將之推廣到樹上,得到了一些關于相依隨機變量隨機場的結果。Abstract : in this paper, a variety of encryption methods for optical image security are comparatively studied. according to the different method, the encrypted image can be transformed into white or color noise. the encryption phase can be the random phase or the chaotic sequence as well as the calculated result by used of the phase retrieval algorithm. the image quality and the correlative recognition ability of decrypted image are affected by the different part of the decryption phase and the amount of high frequency or low frequency used in the process of decryption
文摘:本文分析比較了多種實現光學圖象相位加密的方法,發現不同方法獲得的加密圖象有不同類型的噪音分佈.無論加密相位是隨機相位模板、渾沌序列的相位列陣,還是用相位重構迭代演算法計算的結果,它們都能起到加密圖象的功能.解密圖象的質量或被相關識別的能力與解密過程中所使用正確解密相位的不同部分以及高低頻分量多少有關,且其依賴程度是由不同的加密方法自身決定分享友人