variables sampling 中文意思是什麼

variables sampling 解釋
變量抽樣法
  • variables : 變量
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  1. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  2. This chapter compares the results of the data analysis above, and finds that the passed explanatory variables in the research sampling all the listed companies tend to exceed those in the research sampling the listed companies of different professions in numbers, the r2 and adj. r2 in the research sampling all the listed companies tend to be less than those in the research sampling the listed companies of different professions

    本章比較分析上述數據處理結果,發現以全體上市公司為樣本研究時通過的解釋變量數一般多於以各個行業的上市公司為樣本研究時通過的解釋變量數,以全體上市公司為樣本研究時得到的r ~ 2和r ~ 2修正值一般小於以各個行業的上市公司為樣本研究時得到的r ~ 2和r ~ 2修正值。
  3. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究:分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量,分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。
  4. Variables sampling of metallic and inorganic coatings

    金屬塗層和無機物塗層的不同抽樣
  5. Because of intrinsic randomicity of discrete event system, every operation of simulation is one course of sampling. in addition, the random variables are produced by using the false random number generators, self - dependence is relatively serious. so, the statistical analysis of the simulation result is necessary

    由於離散系統本身固有的隨機性,每一次模擬的運行都是一次采樣過程,加之隨機變量是使用偽隨機數產生的,自相關性較強,因此,還對模擬結果進行了統計分析。
  6. Sequential sampling plans for inspection by variables for percent nonconforming know standard deviation

    不合格百分率的計量檢驗的序貫抽樣方案
  7. By comparing the calculation methods of chird number parity progression ratios parity progression ratios and based on the data of 1 national population sampling survey of 2000, this paper calculate the child number parity progressive ratios respectively by the variables of age, urban - rural and region to reveal the levels and distribution of the lifetime fertility of chinese women

    摘要通過孩次遞進比計算方法的比較選擇,本文運用第五次全國人口普查1抽樣數據分別計算中國2000年育齡婦女的各年齡別孩次遞進比、城鄉孩次遞進比、區域孩次遞進比,揭示中國育齡婦女生育水平的分佈狀況。
  8. Guide to the selection and usage of acceptance sampling systems for inspection of discrete items in lots - guide to sampling by variables

    不連續性項目批量檢驗用合格取樣系統的選擇和使用指南.按變量取樣指南
  9. Aql sampling procedures for inspection by variables - guide to double sampling schemes indexed by acceptance quality limit for lot - by - lot inspection

    變量檢驗用取樣程序.逐批檢驗用合格質量等級
  10. Aql sampling procedures for inspection by variables - specification for single sampling plans indexed by acceptable quality level for lot - by - lot inspection

    變量檢驗用取樣程序.第1部分:用逐批檢驗合格質量等級
  11. Practice for sampling a stream of product by variables indexed by aql

    按aql式編號的變量進行產品流抽樣慣例
  12. On sampling theorem for founctions of double variables

    關於二元函數樣本定理
  13. , single sampling inspection plans having desired operating characteristics by variables standard deviation unknown and single limit specified

    通過變量進行有預期操作特性的一次抽樣檢查計劃
  14. So the b - spline smoothed rejection sampling method is indirectly proved to be superior to the standard rejection sampling method. chapter 4 is about the monte carlo integration. we get a theoretical error of the fine antithetic variables monte carlo ( famc ) method for multidimensional integration

    第4章是關于蒙特卡羅積分的,得出了用於多重積分的精細對偶變數蒙特卡羅( fineantitheticvariablesmontecarlo ,簡稱famc )方法的誤差估計式。
  15. The unit includes topics such as basic probability and random variables, data summarization and display, data quality, probability models for data including the normal, poisson, binomial and sampling distributions and their important properties

    本課程課程包括基本概率和隨機變量、數據摘要和顯示、數據質量、數據概率模型(常規、非常規、二項式和樣本分類和它的重要屬性。
  16. The paper research small - signal model of pfc circuit and build the simplified average - small - signal model of the system. the thesis develop design method of pi regulators which are applied in double closed - loops system. furthermore, the sampling algorithm of votage and current variables is also analysed in this paper

    文中對pfc電路的小信號模型進行了研究,並建立了系統的簡化平均小信號模型,在此基礎上,以系統的動態特性和穩定性為設計指標,具體給出了雙閉環系統中pi調節器的設計方法。
  17. Single sampling inspection plans having desired operation characteristics by variables standard deviation known

    通過變量進行有預期操作特性的一次抽樣檢查計劃
  18. Sampling procedures and charts for inspection by variables for percent nonconforming applied to inspection of successive lots or batches

    不合格品率的計量抽樣檢查程序及圖表適用於連續批的檢查
  19. The sampling is attained by making use of percentiles of distribution function and pseudo - random order, also is applicable to multi - dimensional interval integrals and sampling random variables

    該方法是由抽樣分佈的分位點和偽隨機序復合構成的,適用於固定區域上多重積分的計算及隨機變量的抽樣。
  20. Sequential sampling plans for inspection by variables for percent nonconforming knownstandard deviation

    計量截尾序貫抽樣檢驗程序及抽樣表
分享友人