概率曲線 的英文怎麼說

中文拼音 [gàixiàn]
概率曲線 英文
probability curve
  • : 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
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. 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統計、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。
  2. Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves

    摘要闡述了循環水泵變頻調速的節能原理,提出離心水泵相似定律的適用性和等效念。
  3. 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) 、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特徵。
  4. 4 di c, proietti d, telatar i e et al. finite - length analysis of low - density parity - check codes on the binary erasure channel. ieee trans

    如果停止距離較小, ldpc碼在迭代譯碼下的錯誤概率曲線經常會出現所謂的"地板效應error floor 。
  5. We derive the analytic expressions of false alarm probabilities and detection probabilities under various situations. also, we drew the detector ' s various performance curves by using matlab

    通過數學推導,得出了mgo - cfar檢測器在各種環境中的檢測、虛警表達式,並用matlab編程,繪出了檢測器的各種性能
  6. Considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed - contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge ' s repaired year is given, at the same time the markov chain model of bridge condition prediction is presented

    結合遼寧省的橋梁工程及管理具體情況,研究了遼寧省橋梁技術狀況評價與預測方法,引入橋梁缺損狀況變權評定方法,選擇負指數作為橋梁缺損狀況預測的回歸分析模型,並依據遼寧省干公路橋梁管理系統中的橋梁狀況信息,標定了模型的參數,計算橋梁中修及大修(或改建)的平均年限,給出橋梁大中修年份的確定方法,同時也建立了橋梁缺損狀況預測的馬爾可夫鏈模型。
  7. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論,並對衛星移動通信通道建模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功的角度出發,通過理論推導及模擬擬合重新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza模型來對實際的通道進行建模,這樣可以避免重復的建模工作並提高研究工作的效和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果,保證了該模型在硬體實現時的可靠性和可行性,從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。
  8. Generalized fatigue constant life curve and two - dimensional probability distribution of fatigue limit

    廣義疲勞等壽命與二維疲勞極限分佈
  9. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理,即相關聯的隨機方程動態地處于同一水準,採用模糊隨機加權性回歸方法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均方差,從而求得在給定應力下各可靠度的疲勞壽命。
  10. Normal probability curve

    正態概率曲線
  11. In this paper, we propose a new krenal estimation method for the drug doseresponse curve, and research it ' s properties, and the simulatnos rerults are giren for comparison

    摘要本文對藥物劑量響應概率曲線提出了一種新的估計方法核函數估計法,討論了估計量的性質,並對估計量進行了模擬研究。
  12. The approximate polynomial method was based on neuber ' s method, the cyclic stress - strain responses and neuber ' s rule were treated as probabilistic curves, and the statistic characteristic was obtained from the approximate polynomial. the method is fast and easy for engineering application

    近似的多項式擬合法在諾伯法的基礎上,將循環應力應變和諾伯雙視為概率曲線,通過建立近似多項式的方法,求得局部應力應變的統計特性,快速簡便,適合工程應用。
  13. 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
  14. The probability density function of net rainfall relative errors, flood peak discharge relative errors and the time error of the forecasted flood peak are calculated by the model developed

    通過建立洪水預報誤差分佈的最大摘模型,計算出9座典型水庫洪水預報的凈雨相對誤差、洪峰流量相對誤差和峰現時間預報誤差的密度函數,並將其密度函數與正態分佈進行比較。
  15. The main body can be summarized as the following five sections : this paper firstly creatively builds the yield curve of our treasury securities by the method of regressive interpolation and spline. by the empirical study we can see that the method not only can build a smooth yield curve but also can predict the yield to maturity of any given term on the basis of the practical dealing data on the markets

    主體內容可述為以下五部分:論文首先創造性地把回歸插補法和三次樣條插值法結合起來構造了中國的國債收益,經過實證分析表明,該方法可以以中國國債市場上的實際交易數據為樣本,既能構造平滑的國債收益,又能預測任意到期期限的國債收益
  16. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單遺傳演算法存在著收斂速度慢、易陷入局部極小等缺陷.針對這些缺陷,本文設計出隨相對遺傳代數呈雙下降的自適應交換,並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異.實例驗證表明,具有自適應交換和變異的遺傳演算法在收斂速度和獲得全局最優解的兩個方面都有很大的提高
  17. ( 3 ) the equivalent stress, which is from the coefficients for the spectrum - loads and miner linear accumulated damage rule, an approach for material probabilistic fatigue strength for spectrum loads is suggested. this approach are established by the composed of p - c - s - n curves for extreme maximum model

    ( 3 )根據譜載荷系數和miner性累積損傷準則得到的譜載荷下的當量應力的關系,與極大值模型的p - c - s - n相結合,提出了譜載荷下材料疲勞強度的表達式。
  18. Sixthly, the monte - carlo method is used for calculating the failure probability of durable failure under different service time, and drawing a plot of relationship between failure probability and service time. according to the plot, the service life based a acceptable failure probability can be found easily

    第六,用monte - carlo方法對不同使用年限耐久性失效進行計算,得到使用年限和失效的關系,並由關系得出氯離子侵蝕環境下鋼筋混凝土構件在指定可接受失效水平下的耐久壽命。
  19. Based on the discussion on the principle of density - logging, this paper analyses far - gamma gamma rate, near - gamma gamma rate and density - logging curve respectively, and discusses far - gamma gamma rate near - gamma gamma rate and density variation caused by radioactive anomalies, and preliminarily interprets factors that could lead to the variation of density - logging curve of radioactive anomalous layer, thus explaining the reason why density - logging curve changes at the radioactive ore - layer in northern ordos basin, finally, an empirical formula for revising the distortion of density - logging curve has been established

    摘要本文述了密度測井原理,分別對長源距計數、短源距計數及密度進行分析,對由於放射性異常引起的長源距計數、短源距計數及密度變化情況進行了討論,初步解釋了放射性異常層位密度的變化因素,說明了鄂爾多斯盆地北部地區密度測井在放射性礦段的變化原因。
  20. Density probability plot

    密度概率曲線
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