抽樣信息 的英文怎麼說
中文拼音 [chōuyàngxìnxī]
抽樣信息
英文
sampling information-
In this paper, taking one of the special processes - chromic acids anodizing for example, such administration methods as the key points control and the quality performance administration system for surface treatment process have been setup by process analysis and key points seeking. as for the complicacy of the quality control on metallurgical special processes and the huge statistic data, the quality information system of surface treatment have been established on the bases of computer database. this paper brings out the systematic evaluation way to setup reception test items by taking the reception test results as evaluation basis and sampling statistics as rules
本文以鉻酸陽極氧化表面處理工藝為研究對象，通過工藝技術分析、尋找關鍵特性、建立對關鍵特性的控制等工作，研究建立了表面處理工藝動態質量管理系統；針對冶金特種工藝質量控制的復雜性及統計數據量大等特點，建立了以計算機數據庫管理為基礎的表面處理信息及處理系統；為解決冶金特種工藝原材料入廠復驗任務重的困難，建立了以原材料入廠復驗的試驗結果為評價基礎，以抽樣統計方法為依據的原材料入廠復驗項目優選系統等。Whenever we sample, we always miss some helpful information about the population.
無論在什麼條件下進行抽樣，總會丟掉一些對于總體有用的信息。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。In this case, it is necessary for us to treat art as cultural contact between subjects, to restore the abstract concept of " art " in traditional aethetics to the transmission and sustenance of aesthetic information under specific cultural contexts, to study the generation of " artistic conventions " in different times, and then to display the existencial forms of art in culture by connecting art with real life in a " bottom - up " description
於是我們必然要把藝術也視作由主體人所參與的文化交往活動，將傳統美學中抽象的「藝術」概念還原為審美信息在特定具體的文化情景中的傳遞與持存，研究「藝術慣例」基於不同時代的生成過程，從而在與生活實踐相聯系的「自下而上」式的描述中凸顯藝術在文化中的生存樣態。This system is set up on the existing search engine foundations through web services " technology, has solved variety and non - structural web data with xml technology, has formed web multi - level data base, and constructed the system structure in high performance of data warehouse, utilized midas technology to form the high - performance index storehouse structure, has remedied the deficiency of search engines at coverage, accuracy etc, and improved efficiency of information retrieval
該系統通過webservices技術，建立在現有搜索引擎基礎之上，以xml技術解決了多樣性和非結構性的web數據轉換，形成了web多層次數據庫，利用了web挖掘面向結構化或半結構化數據的智能化數據抽取和知識發現過程，並且構造了數據倉庫的高性能查詢體系結構? hpqs ，利用midas技術形成了高性能索引庫結構，彌補了當前搜索引擎在覆蓋范圍、準確率、復雜查詢語言的使用和結果表現方式等方面的不足，改善了信息檢索的效率。If it is not good enough, optimal control module based on principle component analysis and clustering search will function for optimization. this algorithm makes no request for accurate analytical model and maintains search efficiency and self - adjusting performance by an optimal parameter set derived from process data, which is proved to be effective. by practical running of dcs, a prominent tracing performance is gained and variation of parameters is limited in a small range, which enhance stability and production benefit of sintering process obviously
燒結過程是一個影響因素復雜、干擾嚴重、具有不確定性的工業過程，傳統的基於對象精確解析模型的優化策略難以奏效，因此在控制參數優化模塊中提出了一種基於主元分析和聚類搜索的優化匹配演算法，該演算法不要求對象的精確模型，其搜索效率和自校正性能依賴于從生產過程歷史數據中抽取的優化參數樣本庫，充分利用了燒結生產過程積累的生產數據所包含的信息，取得了不錯的效果。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。In this paper we discuss the counting formula of the expected value of sampling information for linear decision problem on two actions under the iga - exp model and the applied value of it
本文討論了逆分佈共軛于指數分佈的決策模型下的二行動線性決策問題的抽樣信息期望值的計算公式及應用價值。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。From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling
現有的解調分析方法存在以下三種局限性：將不包括調制信息（故障信息）的兩時域相加信號，也以其頻率之差作為解調信號而解出；廣義檢波濾波解調分析中，由於取絕對值、檢波或平方過程可能產生混頻效應，在解調譜中表現為無法分析的頻率成分，並由此推導出避免這種混頻現象的采樣頻率的選取范圍，從根本上避免此類誤診斷的產生；幾種細化解調分析新演算法中，因為無法在細化分析的選抽時進行數字低通濾波，有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。It is the researchful purpose of this paper that the methods of appraising the existing structural reliability basing on own information are found, which will impel the methods of appraising the existing structural develop from applied methods to probability methods. the contents of this paper have mainly four, including : firstly, the normal value of permanent load in the existing structure is ascertained by the way that is called bayes - small capacity, which considers the dates of design and the road - test dates. secondly, by introducing the random variable that is statistical ambiguity, the statistics of loading and resistance of existing structure are researched
本文研究目的是針對現有結構的特點，建立基於自身信息的現有結構可靠性的實用評定方法，推動我國的現有結構可靠性鑒定方法由實用鑒定法向概率鑒定法發展，主要研究內容包括四個方面：一、結合結構原設計數據和現場抽樣實測數據，研究了恆載標準值的統計推斷方法，提出bayes小樣本統計推斷方法；二、利用統計不定性隨機變量，結合現有結構的特點，提出荷載、抗力變異性的小樣本統計推斷方法；三、分析了現有結構抗力變異性的主要影響因素，並利用實測數據進行了實例分析；四、針對現有結構自身的荷載、抗力統計特性，研究了現有結構承載力的校核表達式，對恆載、抗力分項系數提出修訂建議，建立了基於自身信息的現有結構可靠性實用評定方法。In this study, two methods were used to estimate the urban vegetation coverage from remote sensing data : automatic classification of merged tm images and spot images ; interpretation of mixed pixels of tm images
並對ikonos影像在圖像增強的基礎上採用系統抽樣和目視勾繪植被信息的方法取得研究區的植被覆蓋率數據，作為評價融合分類和分解效果的依據。The expected value of sampling information for linear decision problem on two actions under the model
模型下二行動線性決策問題的抽樣信息期望值Expected value of sampling information for linear decision problem on two actions under the be - b model
模型下二行動線性決策問題的抽樣信息期望值The expected value of sampling information for linear decision problem on two actions under the - p model
模型下二行動線性決策問題的抽樣信息期望值Expected value of sampling information for linear decision problem on two actions under the iga - exp model
模型下二行動線性決策問題的抽樣信息期望值The expected value of sampling information for linear decision problem on two actions under the be - b model
模型下的二行動線性決策問題的抽樣信息期望值In this paper, the problem about information value is proposed, evaluation method of sampling information value is given
本文提出了信息價值的問題，並給出了抽樣信息價值的評價方法。Before we can understand what a particular sample can tell us about the population, we should first understand the uncertainty associated with taking a sample from a given population
要能夠理解一個具體的樣本究竟能夠傳遞關于總體的什麼樣的信息，我們首先需要理解從一個給定的總體中抽取樣本時究竟有什麼樣的不確定性。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。分享友人