量值估計法 的英文怎麼說
中文拼音 [liángzhígūjìfǎ]
量值估計法
英文
method of magnitude estimation- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 估 : 估構詞成分。
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
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Through matlab simulations, this improved algorithm can not only achieve the same resolution ability as the conventional music algorithm in ideal conditions, but also acquire the resolution ability and estimation precision that music algorithm can ’ t obtain in the nonideal condition of so - called signal eigenvalue leakage
通過matlab模擬,該改進方法不僅可以在理想情況下取得和傳統music演算法一樣的分辨力,而且在所謂的信號特徵值泄露的非理想情況下可以取得傳統music演算法不能達到的分辨力和估計精度,同時一定程度上減小了運算量。In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area
最後,得到以降水量和整層大氣可降水量為協變量的ca - fcm方法,由於採用聚類分析( ca )方法,提高了對比區和影響區相關性;採用網格插值技術提高了雨量的計算準確度;引入了不受催化影響的物理協變量(整層大氣可降水量) ,提高了作業區自然降水量估計值的準確性;所以評估效果最好,顯著水平高於0 . 05 。In this sense, the encyclopedic cultural value and historic significance of dunhuang are inestimable
從這個意義上來說,敦煌百科全書般的文化價值和歷史重量是無法估計的。So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks
結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系數以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。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。Experiment results show : ? he theory and method of information content could play an important role in the case study on the accuracy and application of dem. ( 2 ) in the loess plateau area, there are much difference between 5m resolution dems of 1 : 10000 map scale and 25m resolution dems of 1 : 50000 map scale while gathering terrain characteristic information, and yet the spatial structure of dem error have discipline and measurability on statistics. ( ? the results could offer fundamentals and methods to people on their work to research the terrain information content of dems with different scale level
研究結果顯示: 1 、地形信息容量的理論與方法對于dem精度與應用適宜性的研究具有重要的作用; 2 、在黃土丘陵溝壑區,同1 : 1萬比例尺5米解析度的dem相比, 1 : 5萬比例尺25米解析度dem在提取地形特徵方面具有較大的差異,但誤差的量值與空間分佈具有統計上的規律性與可估算性; 3 、以上研究結果可望為其它各級比例尺dem地形信息容量的研究提供新的理論基礎與技術方法,也可為有關規范、標準的制定提供依據。The glint suppression using high resolution range profile under conical angle measurement is studied, the angle information in signal components of scatters are extracted and averaged to suppress the glint. nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking
研究了圓錐掃描測角體制下基於距離高分辨的角閃爍抑制方法,利用距離維高分辨像,提取強散射中心反射信號分量,在此基礎上估計出各個強散射中心的角度測量值,採用平均方法減少角閃爍對測角的影響。Instrumental method : the estimate value of loq is the concentration when the signal - to - noise ratio is 10 : 1
儀器分析方法:一般以信噪比為10 : 1時相應的濃度作為定量限的估計值,然後配製相應定量限濃度的樣品,反復測試來確定。The concrete forms of cfar algorithm for different clutter distributions are deduced particularly. it concludes the relationship between the detection threshold and the false alarm rate and the estimation of the clutter statistic measure, and so on
詳細推導了不同分佈下cfar演算法的具體形式,包括檢測閾值與虛警率的關系,雜波統計量的估計等內容。In this thesis, based on item response theory, a number of ways to estimate the latent trait and item parameters were introduced and their advantages and disadvantages were analyzed ; what is more, empirical logistic regression and two parameters logistic model ( 2plm ) are combined to set up a linear model by logit - mapping and a new parameter - estimation method is proposed
新方法將經驗logistic回歸用於兩參數logistic模型的參數估計,使用logit變換建立線性模型,利用線性模型的最小二乘估計得到第j個項目的項目參數向量_ j = ( _ j , _ j )的兩步估計由於x _ j含有未知的討厭參數,的理論值也和有關,我們結合上式的結果對進行再估計。Based on the data recorded of the highest water level in the three survey stations of huangpu river, we give out the parameters estimates by using the eight estimate procedures mentioned above respectively, then we calculated corresponding values of likelihood and goodness - of - fit. we reach the conclusion that maximum - likelihood method performs better and more stable than the others
本文基於黃浦江三個水文觀測站的歷年最高水位資料,分別利用這八種估計方法,求出了參數估計值,然後分別計算似然函數值和擬合優度度量值w ~ 2 ,對這八種方法進行了比較分析。The above algorithm forms a double - two - stage iteration, as following : the results of monte carlo stimulation show that the double - two - stage iteration algorithm is more effective than empirical logistic regression after item and ability parameters recovery study. there are three advantages about the new method : first. the new method can be applied to estimate fewer items ; secondly, a test including fewer unusual response patterns can also be evaluated ; thirdly, the results compared with homogeneous software dealing with 2plm are accepted using mean absolute error as the criterion
這種新方法有以下三個優點:項目數很少時參數估計的結果也較穩定;能處理測驗中含有少量特殊反應模式(見第二章)的參數估計;以估計值和真值之差的絕對值(平方)的平均值作為估計對真值的修復能力為指標,新方法的參數估計結果與同類流行軟體相比,修復能力不相上下;特別地,新的參數估計方法可以用於多級評分項目gpcm ,並為估計題組項目開辟了另一條道路。By constructing approximate functions and using prior estimate and conversion of variable, it is proved that the inverse problem has weak solution for given initial value, boundary value and the oil output
通過變量和函數變換,作逼近函數和估計等方法,證明了對給定的初邊值和石油產量,此反問題存在弱解。Sensory analysis - methodology - magnitude estimation method
感官分析方法學量值估計法In order to guarantee the validity of this algorithm, firstly the characteristic of an image is extracted, then the frame is divided into several blocks. in each block feature points are chosen to estimate the motion vectors according to certain scanning order
為了保證該演算法的有效性,先提取圖像的特徵,再採用分區的方法在各個分區內按一定的掃描順序選取灰度最大值點作為特徵點用於運動矢量的估計。Estimation for representative values of sio2 content in imported iron ores by bootstrap method
自舉法對我國進口鐵礦二氧化硅含量的代表值估計This paper adopts expert ' s subjective estimation methods to ascertain probabilistic distribution values of risk variables, avoiding the absence of history data and thus performing the function that expert can telnet the risk analysis system and estimate
本文採用專家主觀估計法來確定風險變量概率分佈參數值,避免了歷史資料缺乏的問題,並實現了專家遠程登錄評估的功能。Statistical sampling inspection method of weight and estimate of mean for import and export commodity in uniform packing
進出口定重包裝商品重量的抽樣檢查和均值估計方法Fifth, through statistical analysis of electrical connector accelerated life test data, verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct. applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data, obtained the estimator of electrical connector reliability characteristic values
第五,採用極大似然估計法和加權最小二乘法對電連接器加速壽命試驗數據進行了統計分析,得到了電連接器可靠性特徵量的估計值,驗證了電連接器可靠性統計模型和doof數據下可靠性分析方法的正確性。According to the theory, the method that processes and analyzes flow signal and calculates the frequency of it and converts the frequency to flow is brought forward
通過對ar模型譜估計理論的研究,提出了用ar模型譜估計對流量信號進行處理和分析,然後計算出流量信號的頻率,最後換算成流量值的方法。分享友人