抽樣信度 的英文怎麼說
中文拼音 [chōuyàngxìndù]
抽樣信度
英文
sampling reliability-
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。The confidence tests can also bring more convenience in engineering, as that the tests for the percentile and percentage of normal population that are difficult in hypothesis tests can be easily solved by the present method
不但比傳統的正態分佈假設檢驗和抽樣檢驗具有更高的精度，而且更加便於應用，許多假設檢驗和抽樣檢驗難以處理的問題（如母體百分率和百分位值的檢驗） ，採用置信檢驗可以容易地得到解決。Based on the review of and comment on the concepts and theories of attitude and travel attitude and the current research situations about travel attitude, according to three element theories of the attitude, by way of random sampling of strata, the paper has carried on measurement of travel attitude of zhengzhou city, wuzhi county and yuanyang county resident. in writing this paper, the author designed a travel attitude inventory, which had been proved to be of good reliability and validity. then it carries on factor analysis and cluster ' s analysis to the measurement
本研究在對態度、旅遊態度的概念、理論和旅遊態度的研究現狀進行述評的基礎上，依據態度的三元素理論，採用經過信度、效度檢驗的自編旅遊態度問卷，以分層隨機抽樣的方式，對鄭州市、武陟縣和原陽縣居民的旅遊態度進行了測量，並對測量數據進行因素分析和聚類分析。From this, i can conclude that, although the condition is improved somehow, there still exist problems. finally, i point out suitable countermeasure. through randomly selection of the annual statements in 2002 of 40 listed companies, i find that the disclosure system was not executed properly
對強制性信息披露項目執行情況的考察是以隨機抽取的40家上市公司披露的2002年年報為研究樣本，進行了分析研究，研究結果表明我國上市公司信息披露制度沒有得到有效的執行。Based on the theory of charge calibration and sample and reconstruction of frequency limited signal, the scheme of adopting direct digital synthesizing technology and technology of computer is put forward in the paper. the design of hardware and software is described in detail, the error of the outputs signals of the high precision charge calibrator has been analyzed in theory
文中基於電荷校準的原理及帶限信號的抽樣與重構理論，提出了採用直接數字合成技術與計算機技術的整體設計方案，詳細講述了硬體電路與系統軟體的設計過程，並對高精度電荷校準儀輸出信號的誤差進行了理論分析。The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。When the family of distributions satisfy some conditions, the confidence intervals of prescribed width and prescribed coverage probability could be obtained by two - stage procedures
當分佈族滿足一定條件時，用兩步抽樣即可獲得具有預先給定長度與覆蓋概率的置信區間。It should not just spot - check incoming products but also demand from foreign countries with sub - par regulatory regimes vastly more information on how products are made, what ingredients they contain, how they are tested and how they are transported
它不應只是對進口產品進行抽樣檢查，還應要求監管制度標準較低的外國提供更多的信息，包括產品的製作方式、含有的成分、檢驗方式和運輸方式。A novel method of content - based image segmentation using deformable template matching is proposed. a two - dimensional ( 2 - d ) deformable template based on orthogonal curves is built by pre - computing extensions of the deformable template along orthogonal curves and sampling the curves uniformly. then the definitions of internal and external energy functions are given according to the image segmentation problem, and genetic algorithm is used to obtain globally optimal solutions. the proposed method uses a lower - dimensional search space than conventional methods and reduces the sensitivity of the algorithm to initial placement of the template. experiments on real - world images and in simulations at low signal - to - noise ratio show the robustness and good performance of the method
本文提出一種採用可變形模板匹配技術進行基於內容的圖像分割演算法.通過預先計算出可變形模板沿著變形的正交曲線，並對模板曲線及正交曲線進行離散抽樣，建立一基於正交曲線的二維（ 2 - d ）可變形模板，針對圖像分割問題定義控制可變形模板進行變形的內、外部能量函數，本文採用遺傳演算法搜索能量函數最小的全局最優解.該新演算法比傳統的可變形模板匹配方法降低了搜索空間的維數，減少了演算法對模板初始位置的敏感.對實際圖像及模擬低信噪比圖像處理的結果表明，新演算法具有良好的分割精度及穩定性The thesis is focused on above associated issues. ransac algorithm is a classical method of robust model parameter estimation. a preview model parameters evaluation ransac ( peransac ) algorithm is developed, which introduces a preview model parameters evaluation in the ransac algorithm, and results in better performance since the worse contaminated samples are discarded with guaranteeing the same confidence as ransac
隨機抽樣一致性（ ransac ）演算法是一個經典的魯棒性模型參數估計方法，本文提出了基於預檢驗的快速隨機抽樣一致性（ peransac ）演算法，通過對模型參數預檢驗，在保證計算結果置信度的基礎上，刪除明顯錯誤的模型參數，減少參與檢驗的模型參數數量，進而提高演算法的整體效率。The advantage is that in view of the actual mobile telecom market of yz city during the research we comprehensively adopt many scientific market research methods such as questionnaire, data analysis method, depth interviews and subjective probability then use the spss to analyze the data to get plenty of valuable market information. the advice we offered can be profitable strategic reference when the mobile telecom company set down their marketing policies on market development and product development
突出的地方在於結合yz市移動通信市場實際情況，科學地採用了分層抽樣方式，綜合運用了問卷法、資料分析法、主觀概率法和深度訪談法等調查方法，使用了spss軟體進行統計分析，從而獲得了豐富的較有價值的市場信息，並從市場基本戰略的角度提出針對性的策略建議，為運營商進行市場和產品開發及市場戰略的制定提供有益的參考。Raw material review, synchronous sampling, periodic submission of samples to authorites sampling inspection, advanced chemical and particle size testing apparatuses, timely follow - up and feedback of product information constitute our complete quality supervision system that guarantees the quality of our products
原材料審核，生產同步抽樣，階段性產品權威機構送樣抽檢，先進的粒度檢測設備，產品使用信息時跟蹤和反饋，構成了完整的質量監督體系，保證了產品的品質。Determining the sample size is crucial for a survey sampling design, for which traditional approaches have to seek some information on population variance or survey costs, however, which may result in either sample size too small and real precision undre desired level, or sample size too large and waste of survey costs
摘要樣本量的確定是抽樣設計中的關鍵問題，傳統方法利用總體方差和調查費用的有關信息來確定樣本量可能產生兩種結果，一種是樣本量過低，無法保證希望的估計精度要求；一種是樣本量過高，導致調查經費的浪費。In this paper, the theories and techniques of data quality control are thoroughly studied by taking pudong construction and management geographic information system ( js - gis ), including error analysis and accuracy evaluation of digitized data, sample tests of housing surveying product, the principle and method of disfigurement measurement of attribute data based on sampling theories, and total quality control techniques of gis data. these methods are implemented in the construction of js - gis. the main contents are as follow : 1
本論文以浦東建設管理地理信息系統（ js _ gis ）為例對gis數據質量控制的一些具體內容進行了研究，包括數字化數據誤差分析以及精度評定、房產測量成果的抽樣檢驗、屬性數據缺陷率度量的抽樣原理和方法、 gis數據的全面質量控制方法，並將這些方法應用於js _ gis中，主要內容有： 1 、介紹js _ gis的系統組成，對js _ gis中數據的主要構成以及數據採集進行分析。The multiresolution method is extended and applied to random vibration control system, thus a multiresolution random vibration control algorithm is created, which provides a satisfied solution to the poor control precision problem at low frequency that was pointed out and remained unsettled for many years. the control algorithm has been successfully implemented on dactron ' s shaker control system, showing great improvement in low frequency control precision, with a little more computation resource consumed. high resolution octave analysis is another successful application of multiresolution spectrum estimation theory
在多抽樣率信號處理理論和多分辨譜估計理論的基礎上，本文進而將多解析度思想推廣到隨機振動控制理論中，提出了多分辨隨機振動控制演算法，解決了振動控制界多年來懸而未決的低頻控制精度問題，並在dactron公司laser ~ （ tm ）和comet ~ （ tm ）等多種振動控制產品中得到了成功的應用，在計算量增加不大的前提下取得了令人滿意的控制效果。Integrating multirate signal processing theory and classical spectrum estimation theory, a brand new multiresolution spectrum theory is provided and a special algorithm is discussed in great detail. the polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency
本文結合多抽樣率信號處理理論和傳統譜估計理論，提出了嶄新的多分辨譜估計理論，並給出了具體的實現演算法，解決了譜估計中如何達到頻率解析度和時間解析度的最佳組合的問題。Build up the customers " developing model of smcc by using current analysis way, and predict the amount of customers in 2002 year. 2. first introduce the mobile service marketing ' s concept as the ? re of increasing customers " satisfaction, reveal the logic connotation of mobile service marketing
本文在分析和研究中有以下幾點創新： 1 、採用趨勢線分析法建立了一個四川移動通信公司用戶發展模型，並用以較為滿意地預測了2002年的用戶發展數量； 2 、首次提出了以提高用戶滿意度為核心的移動服務營銷理念，揭示了移動服務營銷的邏輯內涵； 3 、設計了四川移動用戶滿意度調查模型和抽樣方法。By an imaginary uniform sampling on the original triangle mesh, our algorithm makes the 3d point set using in icp algorithm not only approximatively uniformly distribute in the measured object surface, but also possess of more information of the object surface than classical icp algorithm
通過在三角形網格上按面積均勻分佈的假想抽樣，在沒有明顯增加計算復雜度的情況下，使得代入icp演算法的3d點集，不僅是近似均勻地分佈在物體表面上，而且更加充分地反映了被測物體的表面信息。Sample data the portfolio is a dynamic investment portfolio which will change his component stocks at the end of each month. there are always 10 stocks in the portfolio and they share the capital equally. the rules to choose the component stocks are following ： 1 ) data referenced in the step is the proceeds of each stock in last five menthes
本文就是在一定的假設前提下，引入一種技術分析方法，根據中國股市十幾年來的歷史數據進行模擬投資，生成抽樣數據，在考慮投資的收益性和風險性的基礎上，確定檢驗變量，並對檢驗變量進行假設檢驗，確定證明它能夠擊敗市場的置信度。The writer made a large scale investigation on the point of satisfaction with the services from both huaihua mobile communication company and huaihua union communication company, and also has made a quantitative estimate on the satisfaction generally and variously
本研究採用分層的系統抽樣方法，對懷化市兩大移動通信公司? ?懷化市移動通信公司與懷化聯通公司進行了較大規模的客戶滿意度調查。在調查的基礎上，對兩公司的總體滿意度及各方面滿意度進行定量評估。分享友人