probability function 中文意思是什麼

probability function 解釋
概率函數
  • 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,...
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  1. At last, the probability density function shows multi - fractal characteristic, which is gauss distribution in euclidean space

    流體微團的概率密度分佈函數也表現出多重分形特徵
  2. The first function returns a probability value associated with a t statistic based upon the students t distribution, while the second inverse function computes the t statistic corresponding to a given alpha setting

    第一個函數根據學生的t分佈返回了與t統計值相關的概率值,而第二個反函數計算了與給定的alpha設置相對應的t統計值。
  3. The module was divided into sub - channels, and the hydrodynamics in each channel was just the function of the local cell packing fraction. based on the theoretical probability density distribution functio

    在裝填密度較小的時候,紊流傾向十分明顯;當裝填密度較大的時候,殼程的流動狀況與層流相對比較接近。
  4. As 4ws system is a typical system with stochastic perturbations, which are from the road surface unevenness and side wind and ca n ' t be described by deterministic function, the probability and statistics theory must be used in such research

    由於汽車四輪轉向系統是典型的一個存在隨機擾動的系統,振源主要就是路面的不平度和地面的側風,這類擾動不能用確定性的時間或空間函數去描述,只能用概率統計的方法去研究。
  5. And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious

    本文採用eular - bernonulli梁模型和tomosimko梁模型對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析,提出了各力學結果描述的解析式;並以eular - bernonulli梁模型為主,基於脈沖函數、振型迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法;在管道受力結果的分析中,考慮管道響應輸出的隨機性,將管道響應用隨機過程來描述其概率特徵,使得結果描述更加真實準確。
  6. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時,眾多文獻討論了回歸系數陣的各種估計及lse的有效性,本文考慮了當0的情形,給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計( blue ) ,研究了它的一個最大概率性質,並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件,在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計,定義了lse相對于blue的一個相對效率,並給出了它的界。
  7. The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method

    對每種荷載布置型式,採用荷載增量法進行拱橋結構失效模式的尋找和截面抗力的計算,給出其承載力可靠度功能函數,推導功能函數中結構抗力和作用效應概率模型,並利用改進的一次二階矩法計算在用拱橋承載力可靠度指標評估值。
  8. First we compare rough sets and random sets, and derive the relationship between belief function and lower probability

    首先將粗糙集與隨機集作了比較,並由此得出了信任函數與下概率的關系。
  9. 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

    本文以粗糙集為基礎,研究了信任函數與內測度、信任函數與隨機集的下概率之間的關系,並給出了它們基於粗糙集理論的解釋。
  10. 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、隨機集上的下概率均可表示為此下逼近測度結構下的一種特例。
  11. Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result

    2 .給出了應用粒子濾波器改進直達波與非直達波混合環境中移動終端跟蹤性能的新演算法,特色是利用數值方法計算混合噪聲密度函數,結合二元環境信息完成濾波估計。
  12. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括:數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算;在快速傅立葉變換( fft )基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析;基於短時傅立葉變換( stft )的聯合時頻分析等。
  13. Aimed at multiple - limit, multiple - object, non - linear, discrete of voltage / var optimization and control, on account of whole evolution of evolutionary programming, no demand for differentiability of optimal function, and random search, it can obtain global optimum with mayor probability, this paper solve optimal function with evolutionary programming

    在對優化的具體實現過程中,由於進化規劃著眼于整個整體的進化,對于所求解的優化問題無可微性要求,採用隨機搜索技術,能以較大的概率求解全局最優解的特點,針對電壓無功控制模型是一個多限制、多目標、非線性、離散的優化控制問題,因此應用進化規劃演算法進行模型的求解。
  14. The communication system ' s performance is briefly analyzed by channel capacity, which is a function of bit error rate ( ber ). the decision rule is based on the most likelihood method. for reproducing the original binary signals more correctly, time scale transformation method and the approach of ensemble average probability of error bits are introduced

    通過理論分析和模擬實驗,本文研究了這個非線性數字通信系統性能,給出了誤碼率和通道容量公式,提出了系統參數調節方法,採用最大似然法設計了適合這個系統輸出的判決規則。
  15. Calculation of probability density function based on flamelet theory

    理論的概率密度函數的數值計算
  16. A supplementary variable technique is used to obtain the steady - state function and the steady - state probability generation function of the number of customers in the system

    採用補充變量法,首先建立了系統穩態下的狀態轉移方程,通過求解得到了穩態下系統隊長的概率母函數,進而計算出穩態下系統的平均隊長。
  17. Combined with the prior distribution of the model parameters and water quality observation data, joint posterior probability function which stands for the distribution characters was obtained by bayes ' theorem

    結合模型參數的先驗分佈和水質監測數據,通過貝葉斯定理計算獲得了表徵參數分佈規律的聯合后驗概率密度函數。
  18. 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。
  19. Probabilistic neural network ( pnn ) is a classification network, which is based on bayesian decision theory and probability function estimation theory

    D . f . specht提出的概率神經網路( probabilisticneuralnetwork , pnn )是基於密度函數估計和貝葉斯決策理論而建立的一種分類網路
  20. Markov chain monte carlo simulation ( mcmc ) was taken to sample the posterior distribution to get the marginal posterior probability function of the parameters, and the statistical quantities such as the mathematic expectation were calculated

    通過馬爾科夫鏈蒙特卡羅模擬對后驗分佈進行了采樣,獲得了參數的后驗邊緣概率密度,並在此基礎上獲得了參數的數學期望等統計量。
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