精確分佈 的英文怎麼說
中文拼音 [jīngquèfēnbù]
精確分佈
英文
exact distribution-
Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value
同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。( 2 ) according to the advantages and disadvantages of plural information, the author analysed suited conditions and ranges of different predictable models. confirmed the mathematic model to be adopted in the studied areas. practice indicating : algebraic method can be used in those area where study degree is very lower. ( 3 ) author studied the mineralize prediction model of plural information based on cis, discussed the applications of different mathematic models, and also solved inaccurate which analysed only by normal maps in the past
實踐表明，代數疊加法比較適合於地質研究程度較低的地區； （ 3 ）研究基於gis的多元信息成礦預測模型，探討基於不同數學模型之上的成礦預測適用條件和范圍，解決了以往傳統方法中僅通過紙質地圖進行簡單分析的不精確性； （ 4 ）通過對研究區成礦有利區預測成果的級別劃分，提出用結果分佈統計圖輔助分段的方法對結果值進行分段。The results show that model resolution is crucial to the precipitation forecast, and orographic accuracy is found to be essential to both the location and the amount of the precipitation for this case
通過一系列不同模式解析度和不同精確度地形高度的敏感性實驗，發現模式的解析度對降水的預報起決定作用，同時，地形的精確度也可以改變降水的分佈和強度。In this thesis, by adopting a semiclassical model, we get an exact solution to the potential distribution in a one - dimensional finite uniform array of mesoscopic tunnel junctions. we discuss the features of two kinds of charge solitons in the array
我們採用半經典模型精確求解了一維有限長均勻介觀結鏈中的電勢分佈，討論了兩種電荷孤子的特徵。Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead
全面分析了cpt電子槍發射系統形成的電子透鏡像差與磁偏轉系統形成的偏轉像差；分析了蔭罩的自身厚度與位移對電子束著屏的影響，並由此得出結論，著屏電子束分佈（即亮度分佈）受著許多因素的影響，理論分析是半定量的，著屏電子束分佈需要用精確的測量儀器來測量。I am not confident that exponential - variate distribution is genuinely an accurate model here
）我不能確定這里的指數變量分佈確實是一個精確的模型。This dissertation studies the problem of dynamics modeling, dynamical response, and distribution of moving mass for a re - entry vehicle ( mmcrv ) under the background of national natural science fund project “ precision control and guidance for moving mass control of a re - entry vehicle based on the virtual displacement concept ”
本論文以國家自然科學基金項目「基於虛位移概念的變質心再入飛行器精確制導問題研究」為背景，研究基於變質心控制的再入體動力學建模、動力學響應和落點分佈等問題。The method of the model retrieval breaks down the traditional population density statistics method according to the administrative area boundary and changes to evenly distributed and same size grid units to compute the population density. it enriches the methods to obtain the population density indexes and increases the accurate degree and application fields of the indexes. so, it will benefit to the decision process of the population and economic policy, benefit to the sustainable development of regions
這種模型反演的方法，突破了傳統的按行政區界線統計人口密度的方法，改為按照均勻分佈、規則大小的格點單元來計算人口密度，豐富了獲取人口密度指標的方法，提高了人口密度指標的精確程度和應用范圍，將有利於人口、經濟政策的決策過程，有利於區域可持續發展。With the software of simulating low - pressure vacuum carburizing process and computer control system, carburizing process parameters are controlled accurately. the minimum error of carburizing layer depth, the optimal distribution of carbon concentration in carburizing layer and the minimum distortion are insured
均勻布置鼠籠狀加熱元件和多組滲碳氣氛噴嘴，並對滲碳參數進行精確控制，可保證零件最小的滲層深度誤差最佳的滲層碳濃度分佈。Practice showed that crosswell seismic data can outline minor structures that conventional seismic cannot reveal, can be used to determine reservoirs and their distributions that conventional seismic cannot distinguished, and to describe the spatial distribution of single sand bodies
實際資料解釋表明，利用井間地震資料發現了常規地震所不能發現和確定的小構造，精確描述了常規地震無法分辨的儲層及其橫向變化特點，並且描述了單砂體的空間分佈。Exact distribution of mle of the regression coefficient matrix in a growth curve model
生長曲線模型中回歸系數陣的極大似然估計的精確分佈A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了將譜分析與抗差估計相結合的抗差譜分析方法，並用該方法分析了地心運動時間序列的主要周期特性；為合理地確定地心運動參數，詳細研究與分析了一種新的定權方法對求解地心運動參數的作用，該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性；為了明確地心運動導致的高程基準的變化，分析了地心運動對地面點的水平分量和垂直分量的影響規律。The accuracy of migration image of ground - penetrating radar data is strongly related to the accuracy of permittivity distribution determined from multi - offset data
摘要地質雷達資料偏移成像的精度與地下介質介電常數分佈的確定精度有直接關系。This thesis present the systematic studies on firing accuracy and firing accuracy tactical & technical requirement reasoning for gunnery system. the main contents of the paper are as follows. ( 1 ) definitions and probability distribution expressions for error of fire, error of firing data and error of dispersion are given summarily. methods to compose error of initial firing data and error of dispersion are discussed
本文對遠程炮武器系統射擊精度及射擊精度戰術技術指標論證等方面問題進行了深入、系統的分析研究，本文研究工作的主要內容有： （ 1 ）概要地討論了射擊誤差、諸元誤差、散布誤差的定義及其概率分佈，諸元誤差、散布誤差及射擊誤差的合成，分析了射擊精度的各種表示法，闡述了火炮武器系統準確度、密集度和首發命中概率的估算方法。In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered
確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。The limit distributions of estimators and likelihood ratio test are given, the strong consistency of estimators is also proved
證明估計的強相合性和漸近正態性，給出似然比檢驗統計量的極限分佈，並討論基於精確分佈的檢驗問題。Current nod external nomal method can accurately solve the initial clearance of contact curved surface. the accurate analysis of load distribution, longitudinal load dispersion and contact patterns to spiral bevel gears has been deduced, and that the variation of the contact center of loaded spiral bevel gears and the contact center of non - loaded spiral bevel gears has been analysed
當前節點外法矢法可以精確計算接觸曲面的初始間隙量，本文用這一方法對螺旋錐齒輪齒間載荷分配、齒向載荷分佈以及接觸區形狀進行了精確分析，而且分析了加載情況下螺旋錐齒輪齒面接觸中心點軌跡與無載下螺旋錐齒輪接觸軌跡的變化。There are much complicated and exquisite physical and chemical processes when the oil and the air been mixed. for some theories of the combustion are not clear and the differential eguations are so complicated, it is very difficlut to get the accurate flow field distribution. so it limits the combustion theory to design conb ustion equipment
由於對某些燃料的燃燒過程機理至今尚不完全清楚，並且描述這一現象數學模型的控制微分方程很復雜，所以很難用解析方法求得等離子點火器燃燒流場的精確分佈，這樣就極大的限制了人們應用燃燒理論指導這一燃燒設備的設計研究。This work analyses the characteristic of excimer laser at first, then an accurate energy distribution of the laser beam of wavelength 248nm is given out. depends on the theoretic analysis, a hollow waveguide is designed
本文從分析準分子激光器的光束特點出發，對波長為248nm的準分子激光光束的能量分佈做了精確分析，設計加工了適于本krf準分子激光勻束的光波導。分享友人