隨機分佈數據 的英文怎麼說
中文拼音 [suíjīfēnbùshǔjù]
隨機分佈數據
英文
random distributed data- 隨 : 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...
- 機 : machineengine
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 隨機 : random stochasticrandom
- 數據 : data; record; information
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The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically
鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的極值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。At last, the radiation transmit process in smokescreen is discussed, and the transmitted radiation energy distribution is obtained from extinction characters of particles. the relationship between transmittance and smokescreen concentration is experimental studied, the experiment results agrees with calculated results. we also discuss the application limit and error of lambert - beer law in smokescreen studies
本文最後討論了輻射在隨機分佈微粒形成煙幕中的傳輸過程,根據煙幕微粒的消光特性計算出輻射通過煙幕後的能量分佈情況,討論了在煙幕研究中應用lambert ? beer定律的誤差問題,並對透過率隨煙幕濃度的變化情況進行了實驗研究,結果表明,理論計算結果能夠與實驗數據較好吻合。In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector
瞬態時間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器接收並轉換光信號為電信號,用通用計算機控制採集並處理光譜數據。Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently
本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。The experimental tests were conducted to obtain the probabilistic statistic distribution of design variables of cfrp wound pressure vessels ( such as elastic constants, strength of lamina, winding technology parameters and the geometric sizes ). and a goodness of fit test using the kolmogorov - smirnov method was used to get the best probabilistic distribution of design random variables
對cfrp纏繞壓力容器各重要設計變量(單向板彈性常數及其強度、壓力容器纏繞工藝參數及幾何尺寸)的隨機統計特徵進行了試驗研究,並根據kolmogorov - smirnov檢驗法,獲得各設計隨機變量的最優概率統計分佈。In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible
在rsdm中,以實值模式代替二值模式,避免了實值到二值的編碼過程:以回歸學習規則代替外積法,使該模型在具有識別能力的同時具有了對函數的逼近能力;地址矩陣的預置根據樣本的分佈採取不同方法,若樣本均勻分佈,則隨機預置,否則利用遺傳演算法的原理和消減措施來預置地址矩陣,使之反映樣本的分佈,改善網路的性能。This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained
本論文針對平面信號控制交叉口的延誤問題進行了分析,在實測數據分析的基礎上,探討了車輛到達過程和離開過程的運行特性,給出信號交叉口排隊離散車頭時距分佈模型,提出飽和流率的測量應從第六個離開的排隊車輛算起;運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型,在此基礎上運用協調變換的方法改進了車輛延誤模型。The waste load is regarded as a stochastic variable following the log - normal probability distribution based on statistical data, and the constrains on water quality levels are expressed in a probability form
假設排污量是服從對數正態分佈的隨機變量,並且以潮周期內水質達標的概率作為衡量控制點達標的依據。Monte carlo is a method that approximately solves mathematic or physical problems by statistical sampling theory. when comes to bayesian classification, it firstly gets the conditional probability distribution of the unlabelled classes based on the known prior probability. then, it uses some kind of sampler to get the stochastic data that satisfy the distribution as noted just before one by one
蒙特卡羅是一種採用統計抽樣理論近似求解數學或物理問題的方法,它在用於解決貝葉斯分類時,首先根據已知的先驗概率獲得各個類標號未知類的條件概率分佈,然後利用某種抽樣器,分別得到滿足這些條件分佈的隨機數據,最後統計這些隨機數據,就可以得到各個類標號未知類的后驗概率分佈。Then, probability prediction model of durable life is founded. through discussing the probability characteristics of influencing factors, the law of durable reliability is analyzed, and the prediction method is validated by the experimental data
建立了基於規定可靠指標的混凝土耐久壽命的隨機預測模型,通過探討影響因素的概率分佈,分析了耐久可靠性的發展規律,運用工程實際檢測數據對本文提出的耐久壽命方法進行了驗證。The kalman filter is introduced and explored by assimilating sea temperature observations into one - dimensional numerical temperature model, which is decomposed into two parts, one part is the certain, the other is the random. then a data assimilation model is set up, it can assimilate sea temperature continuous observations data
在此基礎上,利用kalman濾波原理,以一維海溫垂直分佈的數值模式為例,通過對原模式進行分解,得到確定性模式和隨機過程兩部分,繼而建立了一個可同化海溫連續觀測資料的數據同化模式。Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result
文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程( sirp )的建模方法,針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波,運用現代譜估計演算法對其進行建模和模擬,並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證This paper gives a review on the five analysis approaches of fluctuation pressure on the hydraulic structures and hydromachines : the method of probability and random process, the method of time - space correlation, the method of fitting data, the method of distribution hypotheses on the data of test survey stations, and the hydromechanics method
摘要綜述了水工建築物及水利機械上脈動壓力的五種分析方法:概率和隨機過程法;時空相關法;數據擬合法;根據實驗測點數據分佈假設法;流體力學方法。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、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的隨機模型,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隨機堆積顆粒的統計特性確定,以參數s修正。Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable
在研究疲勞過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的The acoustic emission experiments of concrete under uniaxial tension loading in whole process are conducted arid the stochastic modeling theory is introduced to determine the random field distribution parameters of the limit fracture strain of the mesoscopic damage elements
利用混凝土單軸受拉破壞全過程的聲發射實驗數據,引入隨機建模理論,確立了細觀損傷單元的極限破壞應變隨機場分佈參數。According to the number of processors, scheduling problem can be grouped as single - machine scheduling problem and multi - machine scheduling problem. according to whether the job ' s processing time, released time and the surroundings of the processors are deterministic or stochastic, scheduling problem can be grouped as deterministic scheduling problem and stochastic scheduling problem. according to whether the parameters of the jobs are given before - hand, scheduling problem can be grouped as static scheduling problem and dynamic scheduling problem
按處理機個數將排序問題分為:單機排序問題和多處理機排序問題;根據任務加工時間和到達時間以及處理機的工作環境等數據是確定的或服從某種隨機分佈可分為:確定性排序問題和隨機排序問題;根據所有任務的參數是否是預先給定的可分為:靜態排序問題和動態排序問題。( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown
然後,研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論,證明了模型系數的后驗分佈為多元t分佈,模型誤差項方差的后驗估計為逆gamma分佈;根據多元t分佈和f分佈之間的關系,構造了模型系數線性假設檢驗的貝葉斯方法;根據hpd置信區間構造了隨機誤差序列自相關的貝葉斯診斷和單位根檢驗方法,並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。This dissertation includes the following parts : 1. based on the facet model, a method of the simulating of spaceborne sar raw target dates with random distribution is proposed. the simulating algorithm is given and the results are analyzed
本文對星載sar原始回波數據模擬方法進行了研究,主要內容包括: 1 .基於小平面單元模型,給出了一種模擬滿足隨機分佈特性的星載sar目標原始數據的方法。Firstly, by selecting and defining the resource load indexes rationally, lbmr take into consideration the effect on the resource usage of source node and destination node by the migrant. by means of vector operations, lbmr can use multiply resources in harmony. secondly, lbmr adopts the smallest k - subset random algorithin, and the load index information is provided by the information cache
Lbmr演算法的主要思想有三點:第一,基於合理選擇和定義的資源負載向量,綜合考慮進程遷移對源節點和目標節點資源利用率的影響,通過向量運算協調多種資源的平衡使用;第二,基於最小k子集隨機演算法,採用信息cache提供的負載信息作為負載平衡演算法位置策略的選擇依據;第三,基於進程生命時間的概率分佈,根據遷移進程減速( slowdown )數學期望值的改善程度,選擇適合於遷移的進程。分享友人