occurrence probability 中文意思是什麼

occurrence probability 解釋
產狀概率
  • occurrence : n. 1. (事件的)發生,出現,有;【礦物】存象,(礦床等的)埋藏;產地。2. 遭遇,事件,事故。
  • 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,...
  1. In china, because the grade crossing is master in urban road traffic, the occurrence probability of side impact accident is highest, its death rate is only next to front impact ’ s death rate, but the injury rate is first

    在我國,由於城市道路交通路口以平面交叉形式為主,側面碰撞事故發生概率最高,其致死率僅次於正面碰撞,而致傷率卻居第一位。
  2. Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time

    結果表明,冬季示蹤物偏南夏季偏西北的輸送明顯春季擴散影響范圍最小秋季最大。示蹤物從200km200km模式區域輸出的平均時間去除時間明顯分為冬春季和夏秋季兩組,前者較小,平均在20h以下,後者較大,平均約30h 。不同去除時間出現的頻率分佈是非對稱的,在長去除時間一側,出現頻率下降緩慢,顯示污染物有在該區域內長時間滯留的可能。
  3. In order to meet the needs of recent research in applied probability, such as finance and insurance, risk theory, random walk theory, queueing theory and branching processes and so on, the concepts of heavy - tailed random variables ( or heavy - tailed distributions ) are introduced. they are one of the important objects many scholars are concerned on. on the other hand, in a risk process, the number of these heavy - tailed variables " occurrence until the time t, i. e. all kinds of counting process, is one of the important objects, which many scholars are studying

    在應用概率的許多領域,如金融保險、風險理論、隨機游動理論、排隊論、分支過程等,重尾隨機變量或重尾分佈都是重要的對象之一,另一方面,在一個風險過程中,到t時刻時,這些重尾變量出現的個數,即各種記數過程,也是人們研究的主要對象之一,本文主要對重尾分佈的控制關系與極值過程的跳時點過程的精緻漸近性進行深入的討論。
  4. Firstly, for the errors of text ’ character and word, utilizing neighborship of character or word, check character and word errors by character string co - occurrence probability. secondly, for the errors of syntax of text, according to statistic and analysis of a large - scale contemporary chinese corpus, recognize the predicate focus word and the others sentence ingredient, check the syntax errors. thirdly, for the errors of text ’ semanteme, establishing semantic dependency relationship tree based on hownet knowledge, presents a method that based on semantic dependency relationship analysis to compute sentence similarity, check the semantic errors

    對于文本字詞錯誤的檢查,本文主要利用了字詞二元接續關系,根據同現概率檢查文本字詞錯誤;對于文本語法錯誤的檢查,本文利用教研室已有的一個大規模語料庫,通過對語料庫進行統計分析,獲得語法查錯所需要的語言規律和知識,利用謂語中心詞識別和其他句子成分識別的方法,檢查文本語法結構上的錯誤;對于文本語義錯誤的檢查,本文主要利用知網知識得到語義依存樹,通過對句子的有效搭配對的相似度計算檢查語義錯誤。
  5. Abstract : this paper suggests a general model for hazard analysis of urban post - earthquake fire. based on the statistic study of urban fire, a modified calculating formula for occurrence of urban post - earthquake fire is established. according to poisson process model, a general analysis method is suggested. the analysis result is depicted by exceedance probability curves. the example analysis for a practical project is given in the paper

    文摘:建議了一個城市地震次生火災危險性分析的一般模型.利用民事火災的統計分析結果,給出了城市地震次生火災發生率的修正公式.在此基礎上建議了地震次生火災危險性分析方法,並以超越概率曲線的方法表達次生火災危險性分析的結果.結合實際工程,給出了分析實例
  6. The occurrence probability and existence form of internal defects in rolled pieces during three - roll and two - roll cross wedge rolling were compared and analyzed by finite element numerical simulation

    摘要採用有限元數值模擬方法,比較分析了三輥楔橫軋與兩輥楔橫軋軋件內部缺陷的產生幾率和存在形式。
  7. They can included with other liabilities on the balance sheet, ignored, or dis i closed in the footnotes to the financial statements, depending on their materiality and probability of occurrence

    或有負債是一種潛在的負債,是難以預料的開支,根據或有負債的重要性或發生的餓概率,他可以在資產負債表上列示在其他的負債中,或在財務報表的附註中提示,或忽略不管。
  8. Abstract : by using probability statistical method, the probabilities of earthquakes occurrence for various magnitudes in east china from 1999 to 2005 are given. the results indicate that this region is still in seismologically active period. the probability of occurrence of m 5. 0 is increasing, its average value will be 0. 50 by 2000, but probability of m 6. 0 in recent 1 2 years is small, be only 0. 15

    文摘:利用概率統計方法,對華東地區1999 2005年發生不同震級的地震概率進行預測,結果表明,該地區仍處于地震活躍時段,發生5級地震的概率不斷增加,到2000年發生5級以上地震的平均概率為0 . 5左右,但近1 2年內發生6級以上地震的可能性不大,發震概率僅為0 . 15 。
  9. In chapter 1, we briefly reviewed the risk theory and its development. and the significance about this paper was expressed. in chapter 2, we introduced classical risk model. in which, making this risk process into a strong markovian process is the preparation of deriving the main results. chapter 3 is the main body of the paper, we derived the results about general ruin probability in a kind of continuous time risk model with deficit - time geometry distribution of claim inter - occurrence time. the martingale approach is a good procedure to get the expression of ruin probability about a class of continuous time risk models with deficit - time geometry distribution of claim inter - occurrence time. we also take advantage of change of measure idea from it

    第二章介紹了經典風險模型,其中用逐段決定馬爾可夫過程理論及補充變量技巧,使一類風險模型的盈餘過程成為齊次強馬爾可夫過程。第三章作為本文的主體部分,在索賠到達間隔服從虧時幾何分佈的連續時間風險模型中,索賠額分佈為一般分佈,它的破產概率可以利用pdmp中的廣義生成運算元得出鞅,通過調節系數的選擇以及在相應測度下的測度變換,使得破產概率的一般解可以表示出來。
  10. In the study of risk theory, a class of continuous time risk process with deficit - time geometry distribution of claim inter - occurrence time was made into a strong piecewise - deterministic markov process with the theory of piecewise - deterministic markov process and by introducing a supplementary variable. martingale approach is one of the most powerful methods of pdmp. the programming process is getting the ruin probability from the martingale construction. we use the idea of change of measure in the programming process and find the result and the function of adjustment coefficient

    本文應用逐段決定馬爾可夫過程理論及補充變量技巧,使索賠到達間隔服從虧時幾何分佈的連續時間風險過程成為齊次強馬爾可夫過程,然後利用pdmp中的鞅方法(用廣義生成運算元得出鞅)推導了鞅的形式,作為該風險模型索賠額分佈為一般分佈下的破產概率的一般表達式,其中用到了測度變換的思想。
  11. This paper consists of three chapters. the first one is the preparatory knowledge underlying this paper, including the basic concepts of the piece - wise deterministic markov processes ( pdmp ), the renewal equation, the key renewal theorem and some results about the classical risk model, which come from [ 2 ], [ 8 ] and [ 9 ]. the second one introduces the results about the general ruin probability in a kind of continuous - time risk model with the deficit - time geometric distribution of inter - occurrence times, in which claim sizes are discretly distributed. these come from [ 6 ]. the main body of this paper is the third one where we derive lundberg bounds, cramer - lundberg approximations to the ruin probability and finite - horizon lundberg inequalities

    本文共三章,第一章是奠定本論文基礎的相關知識,包括逐段決定馬爾可夫過程的一些基本概念、更新方程與關鍵更新定理的內容以及經典風險模型的介紹,主要取自[ 2 ] 、 [ 8 ]和[ 9 ] 。第二章介紹了該風險模型在索賠額分佈為一般分佈下的破產概率的一般表達式及相關定理,內容來自[ 6 ] 。第三章是本文的主體,求得了該模型的破產概率的lundberg界, cram r - lundberg逼近以及有限時間破產概率的lundberg不等式。
  12. Based on research of theory and methods, this thesis presents design scheme of the dynamic fault tree analysis platform dfta and implement the platform ; practices a dynamic fault tree analysis example of boeing 707 plane engine oil indication system and alarm system on the platform and gets top event occurrence rate 、 minimal cut sequence 、 probability importance sequence 、 structure importance sequence and critical importance sequence and presents system improvement suggestion based on the analysis results

    在理論方法研究的基礎上,本文提出了動態故障樹分析平臺dfta的設計方案,並進行了實現;利用該軟體對波音707飛機發動機滑油壓力指示和警告系統進行了動態故障樹實例分析,得到了頂事件發生概率、最小順序割集、概率重要度排序、結構重要度排序、關鍵重要度排序等分析結果,並根據上述分析結果提出了系統設計改進建議。
  13. Project risk is defined as a probability of loss occurrence because of various hazards or adverse impacts during the course of project life cycle

    項目風險是指在項目生命周期內由於各種風險因素的作用導致損失發生的可能性。
  14. But now in the process of real estate investment analysis, the traditional methods of risk analysis to investigate the risk are the sensitivity analysis and balanced analysis ; these methods primarily include the following deficiencies : ( 1 ) they can only analyze the impact of risk, but it will overlook the possibility of the risk, so it can only evaluate impact for the project of the risk factor, it can not make the determination for the probability of occurrence

    但是目前在房地產開發投資分析過程中,所使用的風險分析方法還在沿用傳統的風險調查法、敏感性分析法和盈虧平衡分析法;這些方法都是假設資源沒有限制的原則下,側重數學分析和解析計算,由於簡化了風險問題本身的相關性和復雜性,使得這些方法在實際中的應用受到了限制,主要存在以下不足之處: ( 1 )只能分析風險的影響作用,而忽略了風險本身發生的大小差別,故只能對項目的風險因素作影響程度上的評價,而不能對其作發生概率大小的測定。
  15. Based the basic principle of the accumulation of induced electric charges across the resistivity discontinuities and the induction current channeling inside the conductive bodies inspirited by the mt field, we set up the relation between the measured field on the earth surface and the distribution of the induced source underground by means of the defining the electric charge occurrence probability function and the electric dipole occurrence probability function and the spacial distributing of the " correlation probability ". the " image " of the field sources underground, or the distributing graphy of the induced electric charges and the induced current in the mesuring area can be drawed, from which we can get the outline of the geological anomaly on the meaning of the probability

    大地電磁場概率成像方法是一種新的地球物理成像反演方法,它是根據在大電磁波場的激勵下,地下介質電阻率間斷處產生感應電荷積累和導體內部產生感應電流,從而產生感應電磁場的原理,相應地定義了感應電荷發生概率函數和感應電偶極子發生概率函數,通過「相關概率」發生的大小的空間分佈,建立了地表觀測場與地下場源空間分佈的內在聯系。地下場源分佈概率的「像」 ,即測區的感應電荷和感應電流的概率的分布圖像,就是測區內地質體在概率意義下地質異常體的分佈輪廓。
  16. In this paper, we use the idea of the classical risk model and consider a continuous - time risk model with inter - occurrence times following the deficit - time geometric distribution. by an application of the key renewal theorem in the case of the lattice distribution we derive lundberg bounds, cramer - lundberg approximations to the ruin probability and finite - horizon lundberg inequalities

    本文利用經典風險模型的思想,對索賠到達時間間隔服從虧時幾何分佈的連續時間風險模型做了進一步的研究,應用關鍵更新定理(格點分佈的情形) ,得到了破產概率的lundberg界, cram r - lundberg逼近以及有限時間破產概率的lundberg不等式。
  17. Exceptional load cases are those corresponding to events of very low occurrence probability requiring the safe shutdown and inspection of the vessel or plant

    異常負荷案例是相對很少發生的事件,要求安全關停和容器設備的檢查。
  18. Based on the calculation of shearing - slipping failure probability of high arch dams, the calculation method and procedures are presented by use of the second moment method for calculation of the occurrence probability of the major failure modes of high arch dams, and the relation degree between the major failure modes and the failure probability with multi - failure modes of the high arch dam are calculated

    以計算高拱壩剪滑潰壩發生概率為例,說明利用二階矩法計算高拱壩各主要失效模式發生概率的步驟,進而求解各失效模式的相關程度及具有多個失效模式高拱壩的失效概率。
  19. Under the reality conditions, the occurrence probability of event shows fuzzy and random, the fuzzy number is inducted into the causality diagram in this paper, and it can solve the difficulty of obtaining the precision probability value as well as solve the problem of the fuzzy and random of the occurrence probability of event

    針對實際情況事件發生概率具有模糊性和不確定性的特點,文章將模糊數引入因果圖中,解決了獲取事件發生概率精確值的難度,又使因果圖能處理帶模糊性和不確定性的問題。
  20. The probability in the probability tomography method is defined with the degree of correlation or fitting in this paper. the methods of the definitions of the scan functions and the occurrence probability functions, the electric field under the tm model and the magnetic field under the te model, are given respectively. we also have brought forward the correlation probability tomography method of magnetotelluric field - derivative and the waveform function - fitting probability tomography method, and have analysed and tested these methods in the way of the selection of the setting field and the capability of noise - standing, etc with synthetic models

    本文用相關程度和擬合程度兩種概率定義方法進行概率成像,給出電磁場tm模式下的電場和te模式下的磁場概率成像方法中各自的掃描函數的定義方法和異常源的發生概率的定義原則,提出了導數場相關概率成像方法和波形函數擬合概率成像方法,並從對背景場的選擇和成像方法的抗噪性能等方面對概率成像方法進行理論分析和數值模擬實驗。
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