log normal distribution 中文意思是什麼

log normal distribution 解釋
對數常態分佈
  • log : n 1 原木,圓木,乾材。2 測程儀,計程儀。3 航海日誌,(飛行員用的)航海日誌;旅行日記。4 〈英國〉...
  • normal : adj 1 正常的,平常的,普通的;平均的。2 正規的,標準的,額定的,規定的。3 智力正常的,精神健全的...
  • 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. 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。
  2. Under the guidance of new principles and methods of modern sedimentology, detrital petrography, reservoir geology, diagenesis, this thesis has carried out detailed study on paleogene formation correlation, sedimentary environment, characteristics of sedimentary facies and diagenesis of the eastern kuche depression, tarim basin, dina area being taken as the main target of the study. based on the core, geology logging, log and seismic data from 9 typical wells, combined with the data of the adjoining area, the dominant sedimentary types of the study area have been recognized and illustrated, such as fan - delta, lacus and normal delta. in terms of the analysis on the sedimentary facies of typical and connecting wells in different areas and facies belt, together with the paleogene tectonic evolution characteristics of foreland basin, the distribution and evolution of the sedimentary facies of the study area have been clearly discovered both vertically and laterally

    通過對該區9口井的巖芯、錄井、測井、地震資料及鄰區資料的分析,識別並闡述了庫車坳陷東部下第三系的幾種主要的沉積相類型,如扇三角洲相、湖泊相和正常三角洲相;通過對不同地區、不同相帶典型井及連井的沉積相分析,結合前陸盆地在下第三系的構造演化特點,弄清了迪那地區下第三系沉積相的縱橫相發育展布和演化規律,並建立了沉積相模式;同時,初步開展了成巖作用、儲層孔隙演化和儲層發育模式的研究工作,科學合理地解釋了現今迪那地區下第三系儲產層主要發育在粉砂巖中的特殊現象,首次建立了下第三系儲層的發育演化模式,為庫車坳陷東部地區進一步尋找下第三系大儲量、高產油氣藏和有利的勘探區塊提供科學的、可靠的和最直接的地質依據。
  3. The process of realizing the genetic algorithm is presented by the clutter which has the log arithmic normal distribution and gaussian spectrum

    以具有對數正態分佈和高斯譜特性的雷達雜波產生為例,討論遺傳演算法的實現過程。
  4. Study on l - moment estimation method with consideration of historical floods for log - normal distribution

    可考慮歷史洪水對數正態分佈線性矩法的研究
  5. Thus a new small sample based system reliability confidence interval estimation method is offered under the assumption that the system follows normal or log normal distribution

    由此提出了小子樣下的系統可靠性置信區間估計新方法,該方法只假設系統可靠性估計服從正態或對數正態分佈。
  6. This paper contains a useful smmary of log normal distribution, weibull distribution and the k - distribution. the weibull distribution may well extend to phenomena other than radar including radiation scattered from turbulent or rough surface

    對雷達波來說,海面是極其復雜的反射體,關鍵是找出一些合適的參數,以便建立一個描述海浪一回波依從關系的數學模型。
  7. The results indicate that the distribution of liquid slug lengths can consist with the log - normal distribution, and the fluctuation of liquid slug lengths is a chaotic vibration which is sensitively dependent on the initial conditions and has permanence properties

    結果表明,下傾管中段塞流的液塞長度符合對數正態分佈,其波動是對初始條件敏感的混沌振蕩,且具有持久性。
  8. Secondly, my paper researched low flow frequency analysis in karst drainage and selected four types of the theoretic frequency distributions. log - normal distribution and p - iii distribution are applicable to low flow frequency analysis in karst region by caculating and comparing. furthermore, the low flow frequency distrbutions are almost same in these drainages of different types of landforms

    二是對喀斯特流域的枯水頻率分析作了初步研究,選擇了四種理論頻率曲線經過計算和比較,得出適用於喀斯特地區枯水頻率分析的線型是對數正態分佈和皮爾遜?型( p ? )分佈,並且流域中地貌類型的差異對枯水頻率曲線的選擇幾乎是無影響。
  9. The most of soil water properties obey normal distribution. if it would not obey normal distribution, it may be transitioned with log

    土壤水分特性絕大部分符合正態分佈,不符合正態的需進行對數轉換,使之符合對數正態分佈。
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