概率值 的英文怎麼說
中文拼音 [gàilǜzhí]
概率值
英文
probability value-
And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。Employment of copula in the analysis involving bipit of extreme value samples
於二維樣本極值概率積分變換分佈分析中的應用This dissertation uses genetic algorithm to choose optimum parameters for the widely used pid controllers. in the optimization calculation process, mutation rate, cross rate and parameter range are adaptively changed to accelerate optimization process
本文用遺傳演算法優化工程中廣泛使用的pid控制器的參數，採用變參數區間、變交叉變異概率等方法提高計算速度，並對適應值函數進行了改進。Progress in attitude measurement : the probabilistic unfolding models for dichotomous response and its general form
二值概率展開模型及一般形式What ' s more, the lessons of statistics and probability could promote students " statistics ideas and probability thinking effectively. especially, there is only some research on compilation of statistics and probability in mathematics textbooks for elementary schools in foreign nations, and which is still on the inchoative stage in china
關于小學數學「統計與概率」的編寫和實驗研究在國內剛剛起步，國外相關研究也較少，可見本文的探索是富有新意的，且這一研究對我國正在進行的小學數學課程改革有一定的參考和借鑒價值。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。Following the research route of mend with study and development with creation, give the definition of risk and the methods of risk identifying, divide the risk attitude into risk loving, risk neutralism and risk avoiding, point out the importance of enhancing the risk consciousness for lightning hazard, and summarize the mechanisms of lightning hazard the theories and methods of risk assessment for lightning hazard. provide a set of risk assessment parameters for lightning hazard, which includes lightning times n, hazard probability p, hazard loss d, hazard risk r and protection efficiency e, and give the definition, decisive factor, value method and value scope of each parameter. establish a risk assessment model for lightning hazard which includes lightning hazard base module, lightning hazard probability module, lightning hazard loss module, lightning hazard accepted risk module, lightning protection cost module, correcting coefficient module, lightning hazard risk module, and lightning protection class and efficiency module
遵循借鑒改造和發展創新的研究思路，給出了風險的定義和風險識別的方法，將風險態度分為風險喜好型、風險中庸型和風險逃避型，指出了提高雷電災害風險意識的重要性，總結了雷電災害的作用機制和雷電災害風險評估的理論與方法；提供了包括雷擊次數n 、雷災概率p 、雷災損失d 、雷災風險r和雷電防護級別與防護效率e等5類基本參數的雷電災害風險評估參數體系，並給出了各個參數的定義、參數的決定因素和取值方法以及取值范圍；設計了包括雷電災害基礎模塊、雷電災害概率評估模塊、雷電災害損失評估模塊、雷電災害允許風險評估模塊、雷電防護成本評估模塊、校正系數模塊、雷電災害風險評估模塊、雷電防護級別與效率分析模塊等8個模塊的雷電災害風險評估模型，評估模型以iec61662的評估模型為基本參考，以雷災損失d為中心，把雷災風險劃分為經濟雷災風險r _ e和人身雷災風險r _ l ，並對r _ e和r _ l分開單獨處理。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。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。Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles
其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance
本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題：給出了計算平面格點上dirichlet問題的5種方法：證明了迭代法和松馳法都是指數收斂的，並分別給出收斂速度的估計；討論了一般電路上的隨機徘徊，驗證了電路與可逆的遍歷markov鏈是一一對應的；給出了電路電壓的概率解釋：當把1伏電壓加於a ， b兩端，使得v _ a = 1 ， v _ b = 0時，則x點的電壓v _ x表示對應的markov鏈中，從x出發，到達b之前到達a的概率；進一步地，給出了逃離概率與有效電阻之間的關系：從a出發，在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。The results show that whole structure has high reliability index and values, so the boiler steel frame is enough safety and reliability. finally prospect of research and engineering applications of boiler steel frame is discussed in this paper
考慮隨機影響因素及服從正態分佈的隨機荷載，以整體結構最大應力處構件為評價標準，計算得到結構構件的可靠度指標和可靠度概率值。The paper divided turbidite fan in deep water from long source into braided channel microfacies, inter - braided channel microfacies, medium fan over - belt microfacies, and external fan subfacies, and divided slump turbidite which related with delta into medium fan subfacies and external fan subfacies, and summed up 15 kinds of marking of subfacies and microfacies classification. at the same time, it formed a series of effective technology of analyzing turbidite source at the base of studying region geological which combined with analyzing the content change of terrigenous debris, with the found of logging facies, and with the ancient terrestrial magnetism test and other technology means under the guidance of three - dimensional model of turbidite which has been founded already and the flat surface feature of microfacies
將遠源深水濁積扇劃分為辮狀水道微相、辮狀水道間微相、中扇過渡帶微相和外扇亞相；將與三角洲有關的滑塌濁積扇劃分為中扇和外扇兩個亞相，並總結了濁積巖沉積劃分各種亞相、微相類型的十四種標志，分別為:巖石類型、層理類型、砂巖單層厚度、粒度結構特徵（粒度中值、分選性、概率曲線） 、生物化石、儲層物性（孔隙度、滲透率） 、泥巖隔層特徵（泥巖單層厚度、層數、顏色） 、鮑瑪層序組合和自然電位曲線特徵。Hi addition, with regard to the computation of the maximum / minimum moment, shear force, settlement and foundation reaction of pile capping beam, the randomness of both pile capacity and foundation modulus are statistically analyzed in virtue of the method ? monte carlo. accordingly, the random probability analysis of the internal force of pile capping beam can be achieved
並通過蒙特卡洛（ montecarlo ）法對基樁承載力、土體基床系數的隨機性進行統計分析，獲得了承臺梁彎矩、剪力、沉降以及基底反力的最大（小）值，從而實現了樁基承臺梁內力計算的隨機概率分析。Therefore, you should assign smaller probability values to more serious errors
因此，應該給更嚴重的誤差分配一個更小的概率值。This probability cloud obeys a quantum mechanical principle called heisenberg ' s uncertainty principle, which states that there is an uncertainty in the classical position of any subatomic particle, including the electron ; so instead of describing where an electron or other particle is, the entire range of possible values is used, describing a probability distribution
這個概率雲服從所謂的海森堡測不準原理的量子力學原理，原理表明任何亞原子微粒包括電子經典位置具有不確定性；因而代替描述電子或其它微粒所處位置，用全部范圍里的概率值描述概率分佈。( a ) chaos initialization is adopted and subpopulations are classified as several types according to the values of crossover and mutation probability
利用混沌思想產生初始群體，並依交叉和變異概率值對子群體進行分類； bIn this scheme, data rates in probabilistic manner according to a reverse activity bit ( rab ) and an adaptive probability value broadcasted by the base station are increased or reduced in data mobiles, whereas the adaptive probability value is dynamically adjusted on the basis of the residual capacity of system
在該演算法中，數據移動臺根據基站廣播的反向激活比特和自適應概率值以概率方式升降速率，其中自適應概率值根據系統剩餘容量動態地調整。The framework suppose that the image ' s semantic feature can be expressed by using a multi - level attribute tree, and the probability of a certain image having a certain attribute can be estimated by interpolation method using the neighboring image ' s value. here, the neighboring relation refers to the neighboring in the low - level feature space
該框架假定圖像的語義特徵可用多層屬性樹來近似表示，並且圖像擁有某個屬性的概率值可由相鄰的圖像的概率值進行插值估計，框架中的相鄰指圖像在底層特徵空間的相鄰。In the aspect of the selection of fuzzy probability of bottom event, the concept of the basic condition in the priority of selecting the fuzzy number model is brought forward, and traits of the fuzzy number model is analyzed and compared. the reason that the accurate probability is replaced with the probability of linear fuzzy number is elucidated. and the definition and arithmetic of the logic gate fuzzy arithmetic operators is established
在模糊故障樹分析法選擇底事件模糊概率方面，本文提出了優先選擇模糊數模型的基本條件的概念，分析比較了各種模糊數模型的特點，闡明運用線性模糊數概率取代精確的概率值的理由，並根據模糊數（ f數）及其運算規則，導出邏輯門模糊運算元定義及演算法。分享友人