隨機區間 的英文怎麼說

中文拼音 [suíjiān]
隨機區間 英文
random interval
  • : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
  • : machineengine
  • : 區名詞(姓氏) a surname
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 隨機 : random stochasticrandom
  1. In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation

    第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一,然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件,並用模擬的方法研究比較了參數估計的優良性,最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和估計,討論了有關問題,給出模擬實例。
  2. Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure

    文摘:探索比例優勢模型在臨床醫學中常見的多結局截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計,用牛頓-拉普森演算法估計回歸系數,用"夾心方差"估計量作為參數方差的估計.通過模型檢驗模型應用的有效性
  3. The total significant differences among groups were compared by two way anova, factoring treatment group and incubation medium level. post hoc testing were used to evaluate the significance of subgroup differences by lsd and snk methods, significant correlation between every two transmitters was analyzed by pearson correlation

    組設計的方差分析進行總體均數的差異顯著性比較,組比較用hd法和snk法;不同神經遞質之的相關性分析用pearson相關分析法;不同孵育條件下同種處理組比較用stwm 』 lt檢驗。
  4. With argumentation system and differential system, gnss is capable of supporting en route flight and cat iii precision approach. this system can meet the need of all flight phases in terms of integrity, precision and continuity. with the application of area navigation and required navigation performance ( rnp ), this would make the parallel route, random route and direct flight route possible, and also improves the efficiency of air space and the flight safety

    在導航系統中,全球衛星導航系統是其主要成分,通過增強系統和差分技術, gnss具有支持從航路飛行到類精密進近的能力,在完好性、精度、可用性、連續性上都可以滿足飛行各階段的要求;域導航和所需導航性能的實施,平行航路、航路和起點和終點之的大圓航線直飛得以實現,提高了空域利用率和飛行安全。
  5. After analyzing the character of risk, i introduce data mining method into risk management, to solve the contradiction between great capacity of data and lack of information, the methods include mathematics statistics and artificial neural network ( ann ). then, i study on the methods of risk management in risk identification, risk evaluation and risk disposal, what is advanced, fault tree analysis method based on fuzzy probability, stochastic simulation method and the topsis method based on interval number all consider the characteristic of risk. finally, i discussed the application of information system ( mis ) in project risk management, and developed a risk management information system

    論文在深入分析了風險特徵之後,將數據挖掘技術引入風險管理,用以解決海量數據與貧乏信息之的矛盾,所採用的技術有數理統計和人工神經網路( ann )兩種方法;接著,論文對風險識別、風險評價、風險處理中的風險管理方法進行了研究,所提出的基於模糊概率的故障樹技術、模擬技術和基於數的topsis方法都體現了風險管理的特點;最後,論文對信息系統( mis )在工程項目風險管理中的應用進行了探討,開發出一個風險管理信息系統。
  6. It is very necessary to research the problem how to construct good random variables to make the length of c. i. as short as possible

    如何構造合適的變量,使得推求出的置信的長度盡可能的短,是一個很有必要研究的問題。
  7. The yield and the main botany properties of four culture types of medicinal chrysanthemum morifolium were compared and analyzed by adopting the randomized block design in the field experiment

    摘要採用組田試驗設計,結合方差統計分析方法,對藥用白菊花4個栽培類型的產量和主要植物學性狀進行比較分析。
  8. They looked at the records of 764 women treated for breast cancer between 2002 and 2005 at 115 randomly selected, private oncology practices around the country

    他們選擇本地的私立腫瘤醫院,從其在2002年到2005年收治的764例女性乳腺癌患者中抽取了115例進行研究。
  9. Diffusion patterns ; time scales ; random walk simulation ; beijing area ; historical state

    擴散模態時尺度遊走北京地歷史背景
  10. In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate

    鑒于基於模擬技術的遺傳演算法在求解規劃問題上的優越性,本文指出,改變遺傳演算法的參數條件,在此基礎上求得會約束規劃的若干個最優值,以這些最優值為樣本點,利用多元樣條回歸,擬合得到最優值函數,進而求出最優值函數的lipschitzs常數,從而對于任一會約束規劃問題,都可以得到它的一個估計。
  11. This paper includes a number of contributions on how to harmonize the macro and micro, global and local, random and structural, order and disorder, simple and complex, and so on, which is the significant task for the complexity exploration. it is research course that is more important than others, but still several conclusions have been drawn as follows : regional speciality lies in spatial complexity, the process of spatial complication starts from symmetry rebuilding in macro - level while symmetry breaking in micro - level which accounts for emergence of complex regularity, and the target of geographical evolution seems to reconstruct the symmetry laws of nature

    標度律是全文的邏輯核心,通過它們將城市系統的宏觀與微觀、整體與局部、有序與無序、與確定、簡單與復雜、對稱與對稱破缺等對立問題有地統一起來。盡管如此,本文還是得出了一些基本結論:所謂地理學的域獨特性實則空復雜性,微觀層面的對稱破壞與宏觀層面的對稱重組是「突現」和空復雜化的動力根源,城市系統自組織演化的優化目標似乎就是重建大自然的對稱律。
  12. In this paper, we first analyze the input and output as well as cost - benefit rate of chinese livestock industry by the example of hog, beef, mutton and dairy cow. then, we choose the samples from different regions in different time, use the stochastic production frontier suggested by battese and coelli ( 1992 ), which is aimed at the panel data ( balanced or unbalanced ), and make the econometric analysis for the growth of hog, beef, mutton, and dairy cow. different from the former research for livestock industry, the efficiency measurement theory is introdiced into the growth model and the tfp is dissolved into technical advancement, technological efficiency and residual, the translog production function is used to make the estimation more precised

    本文首先以生豬,肉牛、肉羊和奶牛為例對近年來我國畜牧業的投入產出和成本收益狀況進行了分析,然後採用battese和coelli在1992年提出的針對混合數據( paneldata )的邊界生產函數形式,在不同地選取一定的樣本,利用樣本省的時序列與截面混合數據,對生豬,肉牛,肉羊和奶牛的增長因素進行了分析,與以往對于畜牧業增長研究不同的是,將效率測算理論引入生產增長模型,把全要素生產率分解為技術進步、技術效率和殘差項,並採取了更加符合實際的超越對數函數形式,使傳統上使用的索洛余值法得到改進,更深層次的剖析了我國畜牧業目前的增長方式。
  13. The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles

    一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀態離散、時離散的齊次markov過程描述了滴流床在滴流的流率分佈,建立了滴流床在滴流流率分佈的模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由堆積顆粒的統計特性確定,以參數s修正。
  14. A randomized complete block design ( rcbd ) has been used under the field conditions to compare the effect of four treatments : 1 ) entire quantity of straw returned to the soil, but not cut into pieces ( treatment a ), 2 ) half quantity of straw returned, not cut into pieces as in treatment a ( treatment b ), 3 ) half quantity of straw cut into pieces returned ( treatment c ), 4 ) ck ( treatment d ), without any straw returned to the filed

    實驗採用組法,分四種情況: 1 )全量整株稻草還田; 2 )半量整株還田; 3 )半量切碎還田4 )對照,即除根茬外無額外稻草還田四個處理。試驗結果表明,除處理2外,所有處理對土壤有質的影響不明顯,但稻草還田處理降低了土壤的容重,這意味著土壤的孔隙度增加了。
  15. The search space is divided into many small areas, and each area is given a certain pheromone value. according to the state transition rules, the artificial ants move to the next solution which is generated randomly or calculated by particle swarm optimization. local search strategy is also added into psaco so that the search speed and precision is enhanced

    該演算法首先將連續對象定義域平均分成許多邊緣相互重疊的小域,域的稠密程度決定了演算法解的精度,每個域賦予一定的信息素值;螞蟻根據狀態轉移規則在生成的可行解與利用微粒群演算法得出的可行解之選擇下一步要去的位置;引入局部尋優策略,加強近似最優解鄰域內的局部搜索,提高搜索速度和精度。
  16. Aimed at tackling the stochastic variations caused by non - artificial natural factors and accidental factors such as nonpoint source contamination and point source contamination in geochemical maps for different continental and sea media of eastern zhejiang coastal area, this paper puts forward a geochemical map formation method for different continental and sea media based on a suitable data - processing model and color area spatial distribution so as to improve the map face effects

    摘要針對浙東沿海地陸海不同介質采樣地球化學圖中出現的自然因素,以及非點源污染和點源污染等因素引起的變異,提出選擇一種適宜的數據處理模型和色分配為內容的陸海不同介質地球化學成圖方法,以改善圖面效果。
  17. The basic agc roles include : ( 1 ) making generation follow the load change, and holding system frequency on fix value ; ( 2 ) dispatching power to each area, and holding exchanging power on fix value between each area

    其主要功能是響應負荷和發電的變化,維持電力系統頻率為規定值,響應各域分配系統發電功率,維持凈交換功率為計劃值。
  18. To study the wave field characteristics of 2 - d transversely isotropic elastic random medium, we separately calculated the statistical characterizations ( horizontal center frequency, vertical center frequency and relative magnitude of the wave field energy ) in the five different time sections

    為研究橫各向同性彈性介質模型中的波場特徵,我們在五個不同的時段上,分別計算剖面的三個統計特徵(橫向中心頻率、縱向中心頻率、波場能量相對值) 。
  19. To study the wave field characteristics of 2 - d viscoelastic random medium, we divide up the theoretic recording sections ( vertical component ) into two different time sectors, and separately calculated and extracted the three statistical characteristics ( horizontal center frequency, vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors

    為研究粘彈性介質模型中的波場特徵,我們在理論記錄(垂直分量)剖面上選取兩個時段;在這兩個不同的時段上,分別計算剖面的三個統計特徵(橫向中心頻率、縱向中心頻率、波場能量相對值) 。
  20. By sun, bo ( major : marine biology ) directed by professor zhang, guofan and dr. liu, xiao population genetics of four argopecten irradians cultured populations was analyzed by using random amplification polymorphism dna ( rapd ) techniques. and partial dna sequences of the internal transcribed spacers ( its ) from four representative samples ( one sample represent for each population ) were amplified by pcr and sequenced in order to stress the phylogenetic relationships of the four populations. besides, by rapd technique, two argopecten irradians families were studied to examine whether the hybridization experiments were successful and which family was more suitable to be materials in future genetic linkage map construction

    本文以海灣扇貝4個養殖群體為研究對象,採用引物多態性dna ( rapd )技術進行了群體遺傳學研究,並嘗試使用4個群體中代表個體的內轉錄( its )序列比對分析結果作為參考;另外,本文還運用rapd技術對人工異體交配的2個海灣扇貝家系的雜交成功率進行了分析,均獲得成功證實,並評估了兩個家系構建遺傳連鎖圖譜的潛力。
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