系統抽樣法 的英文怎麼說
中文拼音 [xìtǒngchōuyàngfǎ]
系統抽樣法
英文
systematic sampling- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 抽 : 動詞1 (把夾在中間的東西拉出; 提取) take out (from in between) 2 (從全部里取出一部分; 騰出) ...
- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 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...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
- 抽樣 : [統計] sample; sampling; specimen; samples draw
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Aerospace series - space systems - fluid characteristics, sampling and test methods - nitrogen tetroxide propellants
航空航天系統.航天系統.流體特性抽樣和試驗方法.四氧化氮推進劑Moreover, the block time - recursive 2 - d rdgt algorithms and their unified parallel lattice structure implementation are extended from 1 - d rdgt case. three applications of the rdgts are investigated : gabor representation for transient signals via the rdgts, mnr fid signal enhancement via the oversampled gabor transforms, representation and approximation of time - varying systems via the rdgts. the experimental results show the efficiency and advantages of the rdgts in applications
研究了基於實值離散gabor變換的瞬變信號表示演算法、基於過抽樣實值離散gabor變換的核磁共振fid信號增強演算法以及基於實值離散gabor變換的線性時變系統表示與逼近方法,實驗結果驗證了實值離散gabor變換在應用方面的優越性和有效性。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。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字頻率合成( dds ) 、 cordic演算法。This thesis concentrates on the analysis of sampling rate changing ( decimation and interpolation ) ; the discussion of basic multirate signal processing theory ; the implementation of high efficient algorithm, which provides the bases for other algorithm development in this thesis
本文從頻域的角度深入分析了抽樣率變換的規律,並進一步研究了多抽樣率系統的高效實現方案和基本理論,為其它演算法的研究提供了必要的基礎。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。The theories and application methods of some quality control techniques are introduced briefly, such as statistical sample, measurement system analysis, evaluation of measurement uncertainty, fault tree analysis bind even tree analysis, and their application in ndt & e is discussed
簡要介紹了統計抽樣、測量系統分析、不確定度評定,故障樹與事件樹分析等質量控制技術的理論及應用方法,並結合無損檢測與評價過程進行了討論。By means of the law of large number, repeated sampling method and nonlinear regression method, the direct component models are built up for bronze inscription system, seal script system, official script system and song dynasty regular script system
藉助于大數定律、重復抽樣方法和非線性回歸方法,分別建立了金文、小篆、漢隸和宋楷幾個具有代表性的、不同時代的漢字系統直接構件關系模型。Importance sample method has the potential applied value in computer simulation of error control systems
重要性抽樣方法在差錯控制系統模擬中有潛在的應用價值。To obtain the prior distributions of parameters by bootstrap, i proposed the integrated sampling method to generate bootstrap samples. the method simulates a markov chain to describe the state changing procedure based on the failure time sampled by monte carlo method. and the posterior distributions of parameters are obtained by markov chain monte carlo ( mcmc ) method
為了應用自助方法確定參數驗前分佈,提出了運行故障時間和狀態的綜合抽樣方法生成自助樣本,該方法基於試驗數據用蒙特卡洛方法對故障時間進行抽樣,在故障時間抽樣值的基礎上,模擬馬爾可夫鏈表示系統狀態變化過程。Finally, the paper presents the approach of measuring csi systematically, which includes targeting, sampling, choosing method, designing questionnaire, analyzing and reporting
最後,本文還系統闡述了用戶滿意度指數測量的方法,從調查目標、抽樣、調查方案的選擇、問卷設計到分析報告進行了系統分析。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。Based on the above qualitative studies, combining the data collected from the social typical sampling investigations with the reliability analysis by using methodology of symbolic statistic, an evaluation methodology for the key property on the technology of food security in quality was explored, finally case studies of the evaluation methodology for the key property on the technology of food security in quality were conducted, important technology types and categories for the food security in quality were selected in the view of strategy, and series of countermeasures for macroscopic development of the technology of food security in quality were also put forwarded
然後,通過社會典型抽樣調查(專家問卷法)得到第一手數據,運用sas 、 excel和灰色關聯分析等數理統計與分析方法,對問卷的可靠性進行了研究,建立了食物質量安全技術「關鍵性」的評價方法,並進行了實證評價分析,對我國食物質量安全技術的重點技術類型、關鍵技術種類等進行戰略選擇,提出了我國食物質量安全關鍵技術的一系列宏觀發展對策。This paper was accomplished by means of the methods of historical analysis law. logic analysis law, law of abstract analysis, law of system analysis, normal analysis law and empirical analysis law under such macroscopic and microscopic background. this article is made up of 7 parts
本文正是在這樣的宏觀和微觀背景下寫作的,所運用的方法包括:歷史分析法、邏輯分析法、抽象分析法、系統分析法、規范分析和實證分析法等。Method national system sampling survey of the area of four kinds work place of institution of disease prevention and controlment, compute the proportion, and compare with standard
方法全國系統抽樣調查省市縣各級疾病預防控制機構的各類工作用房面積,計算構成比,和建議標準進行比較。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。Method national system sampling survey of lab area of institution of disease prevention and controllment, compute two kinds of indexes : the rate of lab area and per person lab area
方法全國系統抽樣調查省市縣各級疾病預防控制機構的實驗室用房面積,計算實驗室用房所佔比例和人均實驗室用房面積兩個指標。Method national system sampling survey of kinds and number of the equipment in institution of disease prevention and controlment, compute equipment assets, and gaps compare with standard
方法全國系統抽樣調查省市縣各級疾病預防控制機構的各類設備配置種類和數量,計算設備資產,和標準比較得到缺口。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。The information system of the sample survey in township enterprise is a man - machine system which is different from the traditional sample survey. it is based on modern information technology, merges some new management thought, and operates in a new way
鄉鎮企業抽樣調查信息系統是一個不同於傳統抽樣調查方法的人機結合系統,它以現代信息技術為基礎,融合了新的管理思想,並以新的方式運作。分享友人