inverse distribution 中文意思是什麼

inverse distribution 解釋
逆分佈
  • inverse : adj 相反的;逆的;翻轉的,倒轉的。 an inverse network 倒置(電)網路。 inverse time 逆時,反時。 ...
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知,一般的反問題和混合問題的最大特點,是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下,直接得到葉片的幾何形狀,它可以使葉型型面與表面氣流參數有機結起來;其不足之處在於,對設計者而言,很難給定理想的葉片表面壓力分佈或速度分佈,並且有時會得到一個非物理解,如:得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  2. 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。
  3. To make the balanced regional distribution of higher education come into being, regional compensation theory should be adopted which believes that the regional distribution of higher education is in inverse proportion to the level of regional economy

    為此,應力求高等教育區域分佈趨于均衡,以政府為主導的區域補償理論認為高等教育資源的區域分配與區域經濟發展程度之間應成反比關系。
  4. On the long working step, internal force of beam - on - foundation can be calculated as inverse continuous beam on cutting slope surface operated by slope pressure with linear distribution

    在工作階段,可直接按倒扣于坡面上的連續梁來計算地梁內力。
  5. Business licenses for collection, transportation and disposal of waste, and prior consultation and reporting systems have interrupted reverse / inverse distribution and waste disposal covering wider areas by requiring a company to get permits at multiple points for services across prefectural or municipal borders

    收集、運輸、廢物處理的營業許可證和預先磋商和報告系統已經中斷了環保製造業的分佈和廢物處理所覆蓋的更寬區域通過要求一家公司在多個跨地區或者多個地方邊境的服務網點得到許可證。
  6. By means of the finite element inverse analysis, based on stress - strain theoretical equations of the elastoplasticity and viscoelasticity - viscoplasticity, the change of the valley - side margin stress distribution during original state, the condition of human cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope is elucidated

    3 .基於粘彈?粘塑性理論的本構方程,運用有限元方法進行反演分析,闡明了宅基邊坡谷緣在天然條件、斬坡建窯條件下和削坡條件下的應力場變化特點。結果表明,谷緣在斬坡建窯條件下拉張應力和剪切應力增大是導致崩塌產生的根本原因。
  7. The issues, inverse dynamics, trajectory tracking, load distribution and maximum dynamic contact force exerted on the environment, have been discussed through numerical simulations

    文中通過數值模擬討論了逆動力學問題,軌跡跟蹤,載荷分配和與作業環境的最北京工業大學工學博士學位論文大接觸力等方面。
  8. A stochastic inverse technique based on gray - code genetic algorithm ( gga ) to invert particle size distribution from dynamic light scattering ( dls ) data is proposed. numerical tests and latex experiments for inverting dynamic light scattering data showed that the algorithm could be successfully applied to inverse problem of dls with high stability to the different type of distributions

    提出了採用格雷碼編碼遺傳演算法對動態光散射測量的多粒徑分佈進行反演運算,數字測試的結果和聚苯乙烯乳球的實驗結果表明,該演算法能夠精確的反演出各種分佈的粒子分布圖象。
  9. Electromagnetic inverse scattering aims to reconstruct the distribution of the dielectric characteristics of unknown inhomogeneous dielectric object by scattering wave. in the near thirty years, it has been extensively used in military, medical imaging and nondestructive testing field

    電磁逆散射(又稱為電磁反演或電磁成像)是對接收到的未知物體的散射信號進行分析處理從而重建未知物體的幾何形狀和內部結構。
  10. Using the inverse model to calculate the distribution of source density, based on gauss smoke plume ' s standard density distribution, environmental capacity of fluoride in the air of northern suburban in xining was found

    摘要由高斯煙羽模式推導出的標準濃度分佈推算源強分佈的反演模式方法,計算了西寧市北郊地區環境空氣中氟化物的環境容量。
  11. 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
  12. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系,並利用一組對偶基給出了有限域上邏輯函數的反演公式;給出了有限域上隨機變量聯合分佈的分解式,並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究;給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系,探討了它們之間密碼性質的聯系,如平衡性,相關免疫性,擴散性,線性結構以及非線性度等;討論了有限域上邏輯函數各類線性結構之間的關系,並給出了任意點都是線性結構的邏輯函數的全部構造,由此引出了有限域上的「泛仿射函數」的概念;考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系;給出了有限域邏輯函數非線性度的定義,利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系,考察了有限域上邏輯函數的非線性度與線性結構的關系;利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系,揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系,以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  13. Approximate maximum likelihood estimate and inverse monent estimates of the parameters of the tampered failure rate model for the weibull distribution in a step - stress accelerated life test

    總定數先定時截尾情況下簡單步進應力加速壽命試驗的優化設計
  14. Abstract : by using the pulse - sequence model , the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied , i. e. , to find the initial input temporal pulse profile , spatial profile , spectral distribution and fluence from the required output temporal , spatial pulse profile , spectral distribution and fluence as well as the given amplifier parameters

    文摘:採用脈沖分割模型,研究了寬頻帶激光脈沖放大的逆問題,即由所要求的輸出激光脈沖時間、空間波形、光譜分佈和能量密度,並給定放大器參數情況下,求輸入激光脈沖時間波形、空間、光譜分佈。
  15. Using sedimentary facies analytical and formation inverse technique, the depositional characteristics and distribution of dujiatai formation of this area were described, disclosing that delta front facies and prodelta facies were mainly developed in dujiatai formation. material source are mainly from southern and northeast of the working area. sand types are mainly of delta front subwater distributaries channel sand body, river mouth bar and sheet sand body with large degree of planar variation

    2 .採用沉積相分析及儲層反演預測技術,對新齊14井區杜家臺油層儲層沉積特徵及展布特徵進行了詳細描述,揭示出本區主要目的層杜家臺油層屬t -扇二角洲沉積,發育扇三角洲前緣亞相及前扇三角洲亞相,物源主要來自於工區南部及東北部,發育的砂體類型土要為扇三角洲前緣水下分流河道砂體、河口壩砂體及席狀砂砂體。
  16. In this study, we examined class 1 and 2 integron in shigella sonnei and shigella flexneri isolates from hangzhou, china, to investigate their distribution and determine their gene cassette arrays and their location in genome. a atypical class 1 integron without 3 " conserved region was found to prevail among shigella flexneri isolates, and the excision models of it ' s gene cassette were charactered by inverse pcr. moreover the roles of gene cassettes in the atypical class 1 integron and class2 integron to confer resistance were discussed

    本研究對杭州地區近年分離的福氏和宋內氏志賀菌株進行類和類整合子的檢測,了解其分佈特徵;進一步通過克隆測序和southenblot ,確定其攜帶的基因盒組成特徵以及其在基因組中的位置;在研究中發現了一種缺少3 』保守區的非典型類整合子,通過反轉pcr了解此整合子的切除基因盒的特徵;並對非典型類整合子和類整合子各自攜帶的aada賦予宿主菌鏈黴素抗性的不同能力,進行了探討。
  17. Abstract : 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

    文摘: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
  18. A common ranking method ? term frequency / inverse document frequency ? considers the distribution of words and their frequencies, then generates numerical weights for words that signify their importance in individual documents

    常見的排行方法之一是評估字詞的分佈與出現頻率,即詞頻與文件頻率倒數,然後為字詞建立權值,代表各字詞在個別文件內的重要性。
  19. A homogenization - based method for predicting the viscoelastic property of multi - layered composite material is presented. by laplace transforming the governing equation of the viscoellastic problem of jointed rock, the dependent relation of the laplace transformation of the effective relaxation modulus of jointed rock on the joint distribution was derived by applying the homogenization method in laplace transformed domain. then, the effective relaxation modulus was obtained from the inverse transformation

    首先對層狀復合材料粘彈性問題的控制方程進行laplace變換,在像空間中利用均勻化理論建立宏觀鬆弛模量的laplace變化與各層形式的依賴關系解析表達式,通過laplace逆變換可獲得等效鬆弛模量預測的解析表達式,並給出了體積變形為彈性、剪切變形符合三元件模型的單向節理巖石的粘彈性鬆弛模量預測的數值算例。
  20. The positive load take absolutely advantage in the first spatial pattern of year and seasons. especially that the precipitation field load of winter is all positive. not in the southwest of china because of southwest monsoon etc. system ; the characteristics of the second spatial pattern are that most of the area is taken up by positive load in year and four seasons, the west of talimu basin is the center of negative load of the year, spring and autumn vector fields ; east of zhungeer basin is the center of positive load of the third spatial pattern of year, spring, summer and winter, the center of negative load is often in east of chaidamu basin, but the distribution center of autumn is in east of zhungeer basin ; the distribution of the fourth spatial pattern is difficult to describe and forms several centers of positive and negative load ; several centers of positive and negative load also appear, the distribution of load fields of the fifth spatial pattern of year, spring and winter represents the situation of " +, -, + " from southeast to northwest ; the complexity of the sixth spatial pattern is more stonger than that of the fourth and the fifth spatial pattern, several centers of load fields of year and each season often appears inverse situation of the positive and the negative load. but the centers are still most in zhungeer basin, chaidamu basin and talimu basin

    第一空間型中,年和四季都是正荷載占據絕對優勢,特別是冬季降水場皆為正值,只是西南地區由於受西南季風等系統的影響,表現為與其它地區的不同;第二空間型的特點如下:年和四季分佈皆為正荷載占據大部分區域,負荷載中心年、春季和秋季分佈中都是位於塔里木盆地西部地區;第三空間型正荷載高值中心除秋季外都是處在準格爾盆地以東地區,負荷載中心多在柴達木盆地以東地區,秋季卻處于準格爾盆地以東地區;第四空間型分佈就較復雜無章法可言,形成多處正負荷載中心;第五空間型特徵是這樣的,同樣是多個荷載中心出現,年、春季和冬季中的荷載場分佈從東南到西北大體呈現「 + 、 - 、 + 」的特點;第六空間型分佈的復雜程度較之第四、第五空間型更大,年和各季分佈比較中多個荷載中心常出現正負相反的情況,但中心仍以柴達木盆地、準格爾盆地和塔里木盆地為主。
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