概率集 的英文怎麼說

中文拼音 [gài]
概率集 英文
probability set
  • : Ⅰ名詞1 (大略) general outline 2 (神氣) manner of carrying and conducting oneself; deportment ...
  • : 率名詞(比值) rate; ratio; proportion
  • : gatherassemblecollect
  • 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
  1. Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population

    南方紅豆杉幼苗表現為較強的聚分佈,除與種子的散布有關外,生境條件的差異是重要原因之? ,其它發育階段表現為明顯的隨機分佈,表明它在自然群落中分佈的很小,反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有系特性的地震動,在擬合多阻尼比反應譜的人造地震波系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波系可滿足工程抗震設計需要;在遺傳演算法中,交叉和變異是影響收斂速度的重要參數,本文採用的改進自適應交叉和變異,可以根據當前樣本的好壞程度來自動地選擇適當的交叉和變異,以保證演算法始終以較好的速度向pareto最優解逼近。
  3. Experiment results indicated that this method had relatively high fault - partition concentration and faultfinding probability, and its effectiveness was better than random testing in the same conditions

    實驗結果表明,該方法分割錯誤元素的中度以及命中錯誤的較高,相同條件下其效果要優于隨機測試。
  4. The fug model, sfg model and statistical probability model are set up. fug model uses the complex feature set. sfg model stresses the selection of character net. while probability model bases on corpus

    Fug模型採用復雜特徵和合一運算來生成句子; sfg模型強調特徵網路的選擇來生成句子;模型依據大量的訓練語料來生成文本。
  5. It takes into account both the ensemble otherness of members and probability distributing of precipitation

    這個方法既考慮了合成員總體的差異性又考慮了降水的分佈。
  6. First, we describe the birkhoff center, the minimal attractive center and the minimal attractor. second, we give relationships among the attractor of axiom a, the non - wandering set, the limit set, the birkhoff center, the probability limit set, the minimal attractive center, the minimal attractor, the ruelle attractor and the measure center

    首先給出birkhoff中心、極小吸引中心、極小吸引子的刻劃,然後給出對于公理a吸引子,非游蕩、極限、 birkhoff中心、極限、極小吸引中心、極小吸引子、 ruelle吸引子以及測度中心之間的一個層次關系。
  7. First we compare rough sets and random sets, and derive the relationship between belief function and lower probability

    首先將粗糙與隨機作了比較,並由此得出了信任函數與下的關系。
  8. Based on rough set theory, the relationship between belief function and inner measure belief function and lower probability of a random set are discussed, then we give a interpretation of these uncertainty measure

    本文以粗糙為基礎,研究了信任函數與內測度、信任函數與隨機的下之間的關系,並給出了它們基於粗糙理論的解釋。
  9. In the following part, we define a couple of new approximate operators and a couple of corresponding new approximate measure operators, in this way, inner measure belief function and lower probability all can be considered as the particular cases of this lower approximate measure

    通過定義一對新的逼近運算元以及相應的一對逼近測度,使內測度、信任函數、隨機上的下均可表示為此下逼近測度結構下的一種特例。
  10. Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )

    利用非正則ldpc具有不同度的信息節點密度演化的差異,對高階星座中具有較高級別的子通道提供額外的保護,可使迭代反饋判決時,星座子擁有最大的無錯反饋歐氏距離調和均值,從而改善系統的迭代收斂特性。
  11. Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering

    本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上,以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線,從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上,進一步發現了信息網路所具有的一些新特徵: 1 )網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系,具體包括節點之間的物理連邊與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 )網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 )網路微觀拓撲結構中的存在很強的聚性(平均聚團系數很高) 。
  12. With the temperature of sea area in situ, and the photoperiod during collecting samples, the two most important factors in inducing diapause, as the independent variable, whether the egg was in diapause ( or whether the female laid diapause eggs ) was regarded as the dependent variable, and the probabilistic equations of egg in diapause and female laying diapause eggs were established

    以採雌體時海區的現場溫度和日照時間這兩個影響滯育發生的最基本因素作為自變量,以卵滯育與否或雌體產滯育卵與否為因變量,建立了瘦尾胸刺水蚤卵滯育(或雌體產滯育卵)的預測模型。
  13. This thesis present the systematic studies on firing accuracy and firing accuracy tactical & technical requirement reasoning for gunnery system. the main contents of the paper are as follows. ( 1 ) definitions and probability distribution expressions for error of fire, error of firing data and error of dispersion are given summarily. methods to compose error of initial firing data and error of dispersion are discussed

    本文對遠程炮武器系統射擊精度及射擊精度戰術技術指標論證等方面問題進行了深入、系統的分析研究,本文研究工作的主要內容有: ( 1 )要地討論了射擊誤差、諸元誤差、散布誤差的定義及其分佈,諸元誤差、散布誤差及射擊誤差的合成,分析了射擊精度的各種表示法,闡述了火炮武器系統準確度、密度和首發命中的估算方法。
  14. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有功功損耗和電壓的模糊區間值,使網損和節點電壓最大偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊理論相結合,通過求解多目標函數和約束條件的模糊合的交,得出網損和節點電壓最大偏移量最小的最優運行狀態。
  15. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效念,對每個導出的子組數據聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法,從而得到每個子總體的滿足極大似然原理的參數估計,給出了該混合總體平均壽命和可靠度的估計。
  16. As the problem of attribute is one of core problems in rough sets theory, this paper puts forward an improved algorithm based on genred reduction algorithm, what " s more, the improved algorithm is applied into client purchase analysis field

    屬性約簡問題是粗糙理論的核心問題之一,本文提出了一種基於genred的最大因子的改進屬性約簡演算法,並將該演算法應用在市場營銷的客戶購買分析方面。
  17. Build the extended models of the rough set and probability along with fuzzy set

    建立了粗糙統計和模糊理論的拓展模型。
  18. Using its probability statistical approach, this paper analyzes the uncertainty distribution of net pay thickness and permeability in the reservoir, researches the impart of geologic parameter uncertainty on gas well binomial productivity equation

    應用統計法,分析了儲層有效厚度、滲透的不確定性分佈,研究了地質參數不確定性對氣井二項式產能方程的影響。
  19. The living example analysis shows that the two results are not only equal according to the full probability formula and deleting truth subsets in the calculation of system reliability for mine ventilation network based on boolean manipulation and minimization algorithm in the independence minimal path sets, but also it is fewer to possess boolean manipulations in the calculation and the calculating program is simplified greatly to the method of boolean manipulation and minimization algorithm in the independence minimal path sets

    實例分析表明:採用升序排列的最小獨立路並按不交型積之和定理予以真子滌除的不交化處理后,不僅計算值等同於一般網路分析中用全公式計算的礦井通風網路系統可靠度,而且,計算工作量大為簡化。
  20. The method of rough set theory, better than the method of fuzzy set and probability statistic, is the effective tools to deal with inexact information

    由rs理論所具有的的特點,我們知道它比原來的模糊統計方法優越,是處理不精確信息的有力工具。
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