自然過濾法 的英文怎麼說

中文拼音 [ránguò]
自然過濾法 英文
natural filtration
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 動詞(除去液體雜質) filter; strain
  • : 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...
  • 自然 : 自然at ease; natural; free from affectation
  • 過濾 : [工業] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straini...
  1. This thesis deals with the application of image segmentation to the automatic identification of a bar code image with a complex background. the bar code image is segmented by the program which is coded by vc + + 6. 0, then by image erosion, the background such as characters etc is processed, yielding isolated points which are filtered by a median filter. the relative position of the bar code does not change

    本論文將圖像分割應用在有復雜背景的條碼圖像動識別上,運用vc + + 6 . 0編寫的程序,處理分割的條碼圖像,後用圖像腐蝕的方,處理圖像上的文字等背景使其變成一些孤立點,再通中值波去除圖像上的噪聲點,此時圖像中條碼的相對位置不變。
  2. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型,通新近建立的mnls孤子直接微擾理論,研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的頻移,以及通頻率波對頻移的抑制。為此,首先給出描述mnls孤子的各物理量,後用mnls孤子直接微擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,並由此選擇頻率波的參數,最後用分步傅里葉方,在對非線性項微商的演算做出了適合於mnls孤子的改善後,對拉曼效應及頻率波進行了直接數值模擬,其中頻率波參數用微擾理論確定。
  3. Curves in actual production, such as hole diameter, bed thickness, mud invasion, shale content, electrofiltration potential, etc. are analyzed. correspondent calibrating methods are proposed

    對影響電位曲線的各種因素井徑層厚泥漿侵入泥質含量電位等進行了分析,並對其影響因素提出了校正方
  4. Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed

    首先將視頻分解成許多連續的靜態圖像幀,經背景去除,把感興趣的人體區域提取出來,通二值化,中值波等預處理方得到只有人體的一個單連通區域,後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關節點,結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關節,跨部關節,前腿踝關節,前腿膝關節四點,從而構建出腿部骨架模型。 2 )實現了人體步行腿部骨架的跟蹤演算。在完成對腿部骨架模型的動初始化之後,本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算、運動預測及預測點周圍搜索rgb相似矩形塊三種方確定每一幀中其實際坐標,從而重構出腿部骨架的運動程。
  5. The main aim of speech signal processing is speech coding, speech recognition and speech understanding by automaton. in this paper, firstly, some basic signal process are discussed, such as signal filter, sampling, fft, pitch detection, then, they are tested on the testing board designed by the author

    論文中首先對語音信號的基本處理問題進行了分析和對比,後在己設計的基於tms320vc5402的dsp實際系統上,進行了語音處理程的波、采樣、傅立葉變換和譜包絡提取的演算實現研究,討論了在演算的dsp實現方,分析了運行實驗結果。
  6. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字波的基本理論、數字波方的概況,並進行了分析;對伽瑪信號數字波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字波方及效果評價方;探討了伽瑪信號數字波器的設計方,提出了適合伽瑪測井的混合波方案,探討了混合波方案的實現途徑;通對部分數字波方的定量研究,給出了靈活可選的數字波系統構成及實現流程;提出的三種波方案,將用於era2000成像測井系統,對伽瑪測井數據進行波處理。
  7. We made an improvement in overcoming the defects in speech signal adaptive delta modulation ( abbr. adm ), such as slope overloading and grain noise. in this method, numerical sliding average filtering was used for filtering decoding speech signal. experiments and analyses indicate that the method makes waveforms in good agreement between the decoding of adm and the original pulse coding modulation ( abbr. pcm ) signal, and considerably improves, the playback speech quality in naturalness, legibility and under standability

    針對語音信號適應增量調制( adm )方式中斜率載和顆粒噪聲缺點,提出了一種改進方,它利用滑動平均方對解碼后的信號進行數字波.試驗和分析表明,該方使解碼后的信號波形與原脈沖編碼調制( pcm )波形具有很好的一致性,使再生語音質量在度、清晰度和可懂度方面比改進前均有較大提高
  8. After that, by using sp curve to obtain the resistivty of formation mixed liquid, correction methods for various effective factors of sp logging are given, and effects of filtration potential and argillaceous content on sp logging and correction methods are discussed

    研究了地層水淹后利用電位曲線求取地層混合液電阻率的方,給出了電位曲線各種影響因素的校正方,著重討論了電位和泥質含量對電位曲線的影響和校正方
  9. Since there are a lot of periodic non - stationary stochastic processes, i combine the kalman filtering and multiresolution analysis methods, and propose the wavelet - kalman filtering hybrid estimating and forecasting method. this method has the real - time, recursion and multiresolution characteristics. in this paper, using this method, i realize the real - time tracking and dynamic multistep forecasting in one cycle

    針對、社會和經濟等環境中存在有大量周期性的非平穩隨機程,我們將kf方和多尺度分析方相結合,提出了既具有實時性和遞歸性又具有多尺度分析能力的小波?卡爾曼波混合估計與預報方,應用此方可實現周期內對目標狀態的實時跟蹤估計和動態多步預報。
  10. String frequent static, sub string reduction and several filtering method are used to analyze one set chinese new word mining system and identify new word by using character, word and n - gram dictionary based on statistic large - scale corpus

    摘要根據新詞語的不同特徵,提出了一整套動檢測新詞語的方,通大規模地統計分析,分別建立字,詞, n元組的詞典,從中動檢測出新詞語來,後再根據構詞規則時動檢測的結果進行進一步的,最終抽取出語料中的新詞語。
  11. This thesis discusses the definition and implementation methods of hierarchical federations, and brings forward the technique of automatically constructing the hierarchical federations architecture ( hfa ). based on the study of time management and data distributed management in hierarchical federations, we give the constraint conditions, which need to be met for achieving correct temporal delivery of time - stamped messages and causal ordering of those messages. we propose the process of time advancement in hierarchical federations, and present the hierarchical data filtering mechanism, which can effectively decreases the network traffic

    論文研究了層次聯邦的概念及其實現方,提出了層次聯邦體系結構的動生成技術;後研究了層次聯邦中的時間管理和數據分發管理,提出了為保證消息傳遞的時間和因果順序的正確性需要滿足的約束條件,給出了層次聯邦的時間推進程;提出了層次聯邦中能有效減少網路流量的數據分層機制。
  12. The original knowledge which is described in natural language in electronic text is disposed by filtrating, semantic block segmenting, word segmenting, syntax and semantic analyzing, pattern matching. in the end it is expressed in the semantic network and storaged in the multimedia knowledge database

    在本系統中,原始的以電子文本形式存在的語言描述的知識經,切分語義塊,分詞及語、語義分析,模式匹配,以語義網路的形式存入多媒體數據庫。
  13. In this paper, first an overview and analysis is given of existing typical algorithms for real - time audio - stream segment then a algorithm base on energy is proposed to audio - stream segment. the utilization of message - action finite state automaton is also required to control different complex playback pattern

    本文首先歸納和分析了當前語音檢測的典型演算,通綜合比較,後提出了一個基於能量的應用於教學系統的實時音頻流分割的演算,首先對語音進行波除噪的預處理,後利用語音的能量特徵進行分割,最後利用有限動機進行多模式控制。
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