probability differential 中文意思是什麼

probability differential 解釋
概率微分
  • probability : n 1 或有;或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率,...
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )根據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海環境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模擬比較。
  2. Secondly we study the properties of moment generating functions of probability measures, calculate its sub - differential by the convex analysis, use it to characterize the quasi - symmetric probability

    本文研究了概率測度的矩母函數的性質,用凸分析的方法算出了矩母函數的次微分,並用此完全刻畫了c . j . stone提出的擬對稱概率測度的性質。
  3. German mathematician and astronomer known for his contributions to algebra, differential geometry, probability theory, and number theory

    高斯,卡爾?弗雷德里希1777 - 1855德國數學家和天文學家,因其對代數、微積分幾何、或然率理論和數字理論的貢獻而為人稱道
  4. Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space

    首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞準則,在廣義隨機空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。
  5. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土地區也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性區形成和發展,找出邊坡最不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破壞概率,並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。
  6. Through chaos optimization method embedded into the genetic algorithm. the algorithm with the combination the advantages of the genetic algorithm and chaos optimization method which need not the optimal problem function ' s differential and promote the ability of the genetic algorithm ' s locally meticulous search can be obtained with the faster convergence and the greater probability for the global solution. a chaotic sequence is inserted into the search procedure of genetic algorithm, which can overcome premature of the search by genetic algorithm and the speed of convergence is faster than standard genetic algorithm

    對遺傳演算法進行了理論分析,並且研究了遺傳演算法的設計與實現;利用混沌優化方法不依賴于梯度信息的性質,將其與遺傳演算法相結合,提出了一種求解連續不可微函數優化問題的混合遺傳演算法;基於對于符號動力系統的研究,利用混沌序列的遍歷性,將混沌序列引入遺傳演算法中,提出一種嵌入哈爾濱工程大學博土學位論文一混飩序列的遺傳演算法,該演算法有效地克服了標準遺傳演算法中的早熟現象,並且具有更快的收斂速度。 」
  7. In chapter 4, the purpose of this chapter is to establish a kind of strong deviation theorems of functional for the sequences of arbitrary continuous random variables, by using the conception of log likelihood ratio, and extend the strong deviation theorems on the differential entropy for dependent arbitrary continuous information sources on the the probability space (, . f, p )

    使得對于在概率空間( , f , p )上的任意連續型信源的微分熵的強偏差定理是本文的推論;第五章,總結本文的主要結論。
  8. The differential probability and linear probability is defined and the approximation expression to compute the maximum differential and linear probability of while spn ' s from the single round ' s differential and linear probability is presented

    對于目前最常用的差分分析和線性分析方法我們首先給出了差分概率和線性概率的定義,同時也給出了由單輪的差分概率和線性概率計算整個spn網路的最大差分概率和線性概率的近似表達式。
  9. The combined effect of the soil, structure and seismic wave was considered in the analysis and the time - dependant curves of earthquake - induced differential settlement of the building were obtained according to differential probability of seismic ground motion

    考慮了土層、建築物荷載分配、地震動波形等影響因素對不均勻震陷的協同作用效果,依據不同超越概率下的地震動給出了建築物不均勻震陷時程曲線。
  10. The small range searching technique can correct 4 more conditions for the first iteration differential and 3 more conditions for the second iteration differential, thus improving the probability and the complexity to find collisions. the whole attack on the md5 can be accomplished within 5 hours using a pc with pentium4 1. 70ghz cpu

    關于hash函數的碰撞攻擊最近幾年取得了舉世注目的成果,王小雲等提出的基於模減的差分分析方法有效地攻破了md4 , md5 , ripmd , haval和sha - 0等一系列hash函數,其攻擊演算法復雜度都低於次壓縮函數運算,在一般的個人電腦上運算都可以找到碰撞實例。
  11. The thesis, in the probability analysis and computation, considers the failure history of space frames and trusses, adopts the bound criterion and algorithms on the base of system ' s critical strength, and introduces the soft self - adaptation control bound into the identification of dominant failure modes ; at the same time, with the incremental load method and differential equalized recursive method, computes the limit - state function of failure mode and probability index precisely under no leaking the dominant failure modes

    文中在可靠性分析和計算部分,考慮空間剛桁架結構系統的失效演化歷程,採用基於系統臨界強度的約界準則和約界演算法,將柔性自適應控制邊界引入失效模式識別過程;同時,用荷載增量法和微分等價遞歸演算法相結合,確保在嚴格不遺漏主要失效模式的情況下,快速準確地求解失效模式的極限狀態方程和可靠度指標。
  12. In chapter two, we consider the non - ruin probability. in section one. by adapting the techniques in [ 5 ], we obtain the integral expression of non - ruin probability in section two, firstly, we prove the twice continuous differentiability of non - ruin probability, then we obtain the integral - differential equation satisfied by ( u ) in section three, we introduce the auxiliary function e ( u ). as u = 0, gives 0

    類似於[ 5 ]中的方法得到不破產概率滿足的積分表達式在第二節中,首先證明了不破產概率的二次連續可微性,然後得到不破產概率滿足的積分-微分方程由於不破產概率零初值時的值不確定,我們在第三節中引入了輔助函數e _ ( u ) ,使得u 0時, e _ ( 0 ) 0 。
  13. Because of the strong stiff of the electron occupation probability equation, we adopt mutipletime - scale perturbation theory to transfer them into algebra equation and differential equation with low stiff

    束縛電子占據概率速率方程組具有很強的剛性,我們採用多時標微擾論方法,將其變換成代數方程組和剛性較小的微分方程組求解。
  14. Mss consists of mathematics & applied mathematics dept., information & computing science dept., probability & statistics dept. and college mathematics dept. with ten subject orientations : algebra, function theory, computing science, numerical solution of differential equation, functional differential equation and its application, applied probability and statistics, mathematics mechanization, cad, coding security and financial mathematics

    有代數、函數論、計算數學、微分方程數值解法、泛函微分方程及應用、應用概率統計、數學機械化、計算機圖形處理、密碼安全、金融數學十個學科方向。
  15. The paper considers a risk model with negative risk sum perturbed by diffusion. the integro - differential equation and the explicit expression for the ruin probability are derived

    摘要引進帶干擾負風險和模型。給出該模型的破產概率所滿足的積分微分方程及解析式。
  16. As for the m - ary psk signals, the differential phase peaks at the transients are used. the pdf ( probability density function ) of the differential phase peaks of m - ary psk are the mean of m - 1 pdfs of m - 1 phase peaks

    由於進制的數字調相信號每個子碼間具有個相位突變,其相位突變的峰值滿足一個概率密度為的分佈,若信號為元psk信號,則相位突變峰值的概率密度函數就是個概率密度之和的平均。
  17. As far as kasumi algorithm is concerned, we get the maximum probability of differential and linear through computing the s7 box and s9 box ' s differential and linear probability. thus, we prove it is secure against differential and linear cryptanalysis

    在kasumi演算法的分析中,首先計算出s7盒與s9盒的最大差分概率和最大的線性概率,最後計算出整個演算法的最大差分概率和最大線性概率,進而證明了該演算法是抗差分分析和線性分析的。
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