概率系數 的英文怎麼說
中文拼音 [gàilǜxìshǔ]
概率系數
英文
probability coefficient- 概 : Ⅰ名詞1 (大略) general outline 2 (神氣) manner of carrying and conducting oneself; deportment ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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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集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集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集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process
論文在對研究區土地荒漠化現狀野外調研和不同時相( 1987tm 、 1996tm和2000ccd )遙感圖像土地荒漠化信息提取和演變分析的基礎上,結合研究區已有的多元信息基礎資料及研究成果(包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等) ,運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系,揭示了研究區土地荒漠化的主要驅動因素,探討了荒漠化動態演化規律。The coefficients of skewness ( cs ) and kurtosis ( ce ) have the feature of cs < 0, ce
縱向脈動速度概率密度分佈的偏態系數0 0 ,峰態系數ce 。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。Based on the analysis of the effect on the maximum range of the equation ' s each parameter and the traditional method of extinction ratio, the noncooperative regulable attenuation - measure the minimum detectable power of laser altimeter on the condition of constant miss probability by attenuating the laser power transmitting to the diffuse reflected simulant target - was put forward
在傳統的消光系數法基礎上,根據對月測距方程各系數的影響權重分析,提出了非合作目標可調衰減法,即:通過對漫反射模擬目標,衰減出射激光功率,在一定的漏警概率條件下測量激光高度計的最小可探測功率。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。And dept. of prob. statist., peking university, beijing, 100871
北京大學金融數學系與概率統計學系,北京, 100871Dept. of prob. statist. and dept. of finan. math., peking university, beijing 100871, china
北京大學概率統計系與金融數學系, 100871The main process of regional ecological risk assessment includes 5 stages : regional analysis, risk receptor selection, risk sources analysis, exposure and hazard analysis, and integrated risk assessment. arming at flood, drought, storm tide, petroleum pollution accident and flow breaking in the lower huanghe river, the probability and distribution of each kind of risk sources are evaluated. the authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem. by using remote sensing data, historic record, survey data and by means of geographical information system, regional ecological risk assessment is finished. on the basis of assessment result, the environmental risk management countermeasure of the huanghe river delta is advanced
以黃河三角洲為例進行了區域生態風險評價理論和方法的探討。針對黃河三角洲主要生態風險源洪澇乾旱風暴潮災害油田污染事故以及黃河斷流的概率進行了分級評價並提出度量生態損失與生態風險的指標和公式,分析了風險源的危害作用運用遙感資料歷史記錄調查數據和地理信息系統gis技術,完成了區域生態風險綜合評價在此基礎上提出黃河三角洲的區域生態風險管理對策。2. according to the characteristic of airborne gravity survey, several statistic variables are derived from theory of probability and mathematical statistics combined with knowledge of errors principles. these statistic variables are applie to the significance test of systematic errors in every surveying line
2 、根據概率論和數理統計的理論與方法及誤差理論,結合航空重力測量的特點,建立了有關檢驗統計量,並將其應用於航空重力測量測線系統誤差的顯著性檢驗。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。In light of market risk, there are sensitivity measurement method and volatility measurement method as well as the concepts about risk measurement, such as variance, duration, 3 - coefficient, 5 - coefficient and value at risk. and in light of credit risk, there are accounting - based ratio measurement method and volatility - based measurement method, as well as the related concepts, such as credit rating, z - score, transition matrix, expected default frequency
其中,針對市場風險度量的方法包括靈敏度測量風險方法和波動性測量風險方法,與之相關的風險度量概念有方差、持續期、系數、類系數和在險價值;針對信用風險度量的方法包括基於財務比率的風險測量方法和基於波動性的風險測量方法,與之相關的風險度量概念有信用評級、 z分數、轉換矩陣、違約頻率。With precise mathematical tools give the formula used to calculate the hit probability of saturation fire system. 4
利用嚴謹的數學工具,推導出求解飽和射擊高射武器系統的命中概率的數學求解公式。The purpose of the study is to decrease error rate of boundary defense alarm system by applying data blending knowledge in an original data blending boundary alarm system
摘要為了降低周界防越報警探測器誤報和漏報的概率,將數據融合相關知識應用於周界防越報警探測系統,構成周界防越報警數據融合系統。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。Through defining collision probability, collision probability coefficient, minimum feasible probability, tiny probability and maximum feasible collision times, the method for calculating maximum delay of network is clarified with the concept of maximum feasible collision times. it is illustrated that maximum delay of ethernet becomes bigger with its load increase
定義了沖突概率、沖突概率系數、最小可能概率、微小概率、最大可能沖突次數等概念,用最大可能沖突次數這一概念,闡明了網路最大延時的計算方法,並舉例說明了隨著網路負荷的增加,網路最大延時也相應的增大。Su chun, shao qi - man solved the problem, we investigate the relations between the convergence of tail probability series and the existence of some type of the moment for partial sums of interchangeable random variables and positive monotone functions, we answer the three questions for interchangeable random variables, our results are new and we obtain a series of sufficient and equivalent results. in section 4 we give the law of interated logarithm for interchangeable random variables, and obtain the following main results
藝闊8藝潤、藝側蘇淳、邵啟滿解決了pi , ollorov提出的這一問題,這一節我們通過討論可交換隨機變量序列的部分和關于正值單調函數的尾概率級數的收斂性和某種形式矩的存在性之間的關系,回答了在一定條件下可交換隨機變量關于這三個問題的一些結果,這些結果是全新的,並得到了一系列充分性和等價性結論This method takes advantage of the lower approximation in rough sets to do the first data packing, and then, according to the value - taking probability of the attribute value, finds the result to do the second packing, thus accomplishes the completion of incomplete information system
該方法利用粗糙集中下近似集的性質進行初次數據填補,然後根據屬性數據的取值概率函數求出的結果進行二次填補,從而完成對不完備信息系統的完備化處理。In thes paper, we set up a risk quantiative appraisal system for the scientific risk management of the real estate invesbent whih is based on the probability theory, mathematial statistics and fmancial anaiysis theorythis system developes the application of the probability theory and mathematical statishcs to the risk appraisal on the base of current risk appraisal methods. what ' s more, in orde to filfulthe need of prachcal application, we create a set of risk - fmance index models in whih we analyze five kinds of twortant risk in the real estate investinen from their orighs, such as the general price fluctuation risk, the markt risk, the interest rate risk, the operation risk and the decision risk. ih the system, standard deviation of the npv ( net present value ) is uesed as the quantitative index of the singe risks and the whole risk. in addition, we connect the system with risk avoiding tactics in the risk managemen of a proect. all these provide a decision basis for risk management
本文應用概率論、數理統計、財務分析等理論為房地產投資風險的科學管理建立了一套風險定量評價系統。該系統是在現有的風險評價方法的基礎上,將概率論和數理統計的理論在風險評價中的應用進一步深化。並結合房地產投資的實際,從風險形成的原因出發,針對其中影響較大的幾類風險像利率風險、物價風險、行業風險、經營風險、決策風險,建立了一套風險- - -財務指標評價模型,運用凈現值的標準差這一指標將房地產投資所面臨的個體風險和整體風險定量化,同時與項目風險管理中的風險規避策略有機地結合在一起,為房地產投資的風險管理提供了決策的依據。In the next article in this series, i ll implement some probability functions using native php code, extend the
在本系列文章的下一篇文章中,我將使用本機php代碼實現一些概率函數,用幾個輸出方法擴展分享友人