extraction line 中文意思是什麼

extraction line 解釋
抽出管路
  • extraction : n. 1. 抽出,拔出。2. 【化學】提取(法);萃取(法);回收物,提出物;精煉。3. 精選,摘要。4. 血統,家世,出身。5. 【數學】開方,求根。
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  1. Fire detectors, line tracers, smoke detectors, fire alarm systems, emergency annunciation panels, smoke extraction systems, etc

    消防偵察器、線式感應器、煙霧感應器、火警警布器、緊急報警箱、排煙系統等
  2. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論,論文圍繞3d不變特徵的提取和應用進行了如下的研究工作: ( 1 )系統總結了射影幾何中的若干基礎概念,包括:透視成像的相機模型、射影對應、交比不變量、基於不同幾何變換下的不變量的簡單對比、對極幾何中的基礎矩陣、對極點、對極線等。
  3. 4. many line extraction methods are summarized, and a new algorithm for extracting the generatrix edges is presented

    4 .總結了已有的直線提取方法,在此基礎上提出了一種新的柱椎體邊緣母線的提取演算法。
  4. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究,探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題,並針對bp演算法的缺陷提出了和實現了改進型bp演算法,使網路學習效率提高,對不同人的不同字型字體有較強的魯棒性,採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。
  5. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵,在知識指導下,提出了一種基於目標特徵模型的降維的形態學分形維數計算方法,對傳統分形方法進行了改進,從理論上推證了演算法的合理性,並對演算法進行了模擬分析;針對傳統hough變換無法獲得線段端點和長度信息的局限性,提出了一種基於目標特徵先驗知識的hough變換融合策略,通過引入目標先驗知識,可以有效地獲得直線信息;對信息多而復雜的機場目標採用基於知識的目標識別方法,使用置信度模摘要型實現不確定推理,對目標進行識別判斷,將知識貫穿于整個識別過程中,對目標進行了有效地識別。
  6. It is very important for minutia extraction in afit ( automatic fingerprint identification technology ) based on minutia matching. the fingerprint image always has much noise and can not be adapted to extract minutia directly, so pre - processing of fingerprint image to get a point - line image is an important part of afit domain

    細節特徵點的準確提取在基於細節特徵點匹配的自動指紋識別技術中十分重要,然而由於各種噪聲的影響,使得所採集的指紋圖像質量比較差,並不適合直接用來提取細節特徵點,所以對指紋圖像進行預處理以獲得清晰的點線圖是自動指紋識別研究領域的一個重要組成部分。
  7. In order to study the function of cycling2 in vitro culturing cell line, we used pires - g2 eukaryotic expression vector transfecting human gastric cell line sgc - 7901 and human embryo kidney hek - 293 cells by lipofectamine plus reagent, and studied the function of cycling2 expression on the cell proliferation in vitro, further investigated the regulation mechanism of cycling2. at the same time, we made a study on the expression level change of cycling2 in normal gastric tissue and different type and different stage of gastric carcinoma tissue. material and method 1 material : piresneo vector was purchased from clonetech, plasmid extraction and purification kit was purchased from qiagen company ; rpmi 1640, dmem fetal calf serum were obtained from gibco / brl ; lipofectamine plus and g418 were purchased from life technologies ; ultrasensitive ? s - p kit, mouse monoclonal antibody p21wafl ( in use ), dab staining kit were purchased from maixin company

    實驗材料與方法1 .實驗試劑高糖dmem 、 rpmll640和胎牛血清購自美國g山eo / brl公司; dmewf12 ( 1 : 1 )混合培養液購自美國hyclone公司;胰蛋白酶購自美國si目叮a公司; hepes由美國amersco公司分裝;脂質體轉染試劑( upofectalnineplusreageni )和以18為美國玩vitrogen公司產品; piresneo載體購自美國cloneteeh公司;質粒提取及純化試劑盒購自德國qiagen公司; ultresensitive翎s一p免疫組織化學試劑盒;鼠單克隆抗體戶3 ( do一7 )蛋白(即用型) ;鼠單克隆抗體p21waf , (即用型) ; dab染色試劑盒均購自福建邁新公司;鼠單克隆抗體pziwa曰(濃縮型) ;辣根過氧化酶標記羊抗鼠二抗購自北京中山公司; ecl試劑盒購自美國santacruze公司; dcproteinassay試劑盒購自bi 。
  8. Research on technique of passive sonar target recognition based on line spectrum feature extraction

    基於線譜特徵提取的被動聲納目標識技術研究
  9. Research on technique of passive sonar target recognition based modulation line spectrum feature extraction

    基於調制線譜特徵提取的被動聲吶目標識別技術研究
  10. In the skeleton extraction, an novel approach for extracting the skeletons directly from the gray images is developed by simulating the procedure of water eroding the topography surface. the resultant skeletons are single - pixel width and connected. it also lies in the middle line of the object and keeps the topological properties of the original image unchanged

    在骨架提取方面,論文提出了一種通過模擬水流沖刷地形表面的過程來直接從灰度圖象中提取目標的骨架的高效演算法,它可以得到連通的、保持目標的拓撲屬性的、處在目標的中線上的、近似單象素寬度的骨架。
  11. A new method of line - spectrum extraction of ship radiated - noise based on part imitate was proposed in this paper

    摘要提出了一種基於分段擬合的提取艦船噪聲信號功率譜中線譜特徵的方法。
  12. 2. the factors which cause measurement angle errors are analyzed, and the modifications are studied to use in line extraction algorithm for plane _ plane intersection

    2 .分析了靶場試驗中引起經緯儀測角誤差的各項因素,並研究如何在面面交會方法中進行測角誤差修正。
  13. In this scheme, hsv model & threshold segmentation method is used for contour line extraction, and the method combining automatic trace and manually trace is used for vectorization. finally, we use component interpolation to make dem data

    設計方案中用hsv模型結合閥值分割法實現等高線提取,使用自動跟蹤與手工相結合的方法完成等高線的矢量化,最後採用分量內插法生成dem數據。
  14. Simultaneous on - line analysis of total and individual rare earth elements in light rare earths extraction process by multichannel analyzer

    輕稀土萃取分離中稀土總量和分量的同時在線測定
  15. The other is extraction and separation production line for 3000 tons hybrid rare earth chloride, which can produce 200 tons neodymium oxide, 2500 tons rare earth chloride with little neodymium or rare earth carbonate with little neodymium and 30 tons samarium, europium and gadolinium concentrates per year

    另一條為可年分離3000噸混合氯化稀土的萃取分離生產線,年產氧化釹200噸少釹氯化稀土或少釹碳酸稀土2500噸釤銪釓富集物30噸。
  16. Before steam admission, valve on vacuum hogging extraction line ( the valve is befor hogging pipe of the two stage steam jet ejector ) should be closed ( see also two stages steam jet ejector installation and operation instruction )

    在蒸汽進入之前,抽真空啟動管道上的閥門(啟動抽汽器前的閥門)應該關閉(請參見相應的兩級射汽抽氣器安裝使用說明書) 。
  17. Determinaton of pesticides residue in tea by gc with the on - line extraction

    氣相色譜在線提取法檢測茶葉中的農藥殘留
  18. For the first time this dissertation discusses the feasibility of data mining for the fields data of cfbb , analyses the preprocessing technology of sample data , introduces the application of clustering analysis , and finally completes the rule extraction by applying knowledge - based artificial neural network. considering distributed parameters , nonlinear , and long time lag system of cfbb , the theory of self - organizing neural fuzzy inference system is applied to the control system of cfbb , and enables control rules extraction on - line. the models of data mining and self - organizing ( fbnc - pnn controller ) are programmed , embedded to the control system of a 35 t / h cfbb in tsingtao , and finally improve the performance of cfbb effectively

    本文還針對流化床鍋爐運行的非線性嚴重、大滯后、不確定性大等特點,研究了基於數據挖掘優化的模糊神經自組織控制策略在循環流化床控制系統中的應用,使規則獲取可以在線進行;並編制了數據挖掘模塊優化自組織控制模塊,應用到青島35t / h循環流化床鍋爐的控制系統中,提高了鍋爐的運行水平和效率,取得了良好的效果。
  19. According to the requirements to pd pattern auto - recognition, this paper studies systematically the basic theories and realizable methods for auto - recognition of pd gray intensity image : ( 1 ) in the requirement of on - line pd monitoring for transformer, several discharge models are designed and the relevant experiment methods projected. with discharge model tests, a lot of discharge sample data is acquired. on the base of systematical research on recognition for pd gray intensity image, this paper puts forward two kinds of fractal features, the 2nd generalized dimensions of original pd images and fractal dimensions of high gray intensity pd images, and then the relevant extraction methods

    針對局部放電模式自動識別的需要,作者系統地研究了局部放電灰度圖像自動識別中的基本理論和實現方法: ( 1 )根據變壓器局部放電在線監測的要求,設計了放電模型和實驗方法,並通過模型實驗獲得了大量放電樣本數據,為構造局部放電灰度圖像和採用bpnn進行識別作好準備; ( 2 )研究了局部放電灰度圖像的構造方法以及降維構造32 32灰度和矩陣的方法;在用人工神經網路對局部放電進行模式識別時,分析了bp網路的優缺點,對典型bp網路的結構和學習訓練演算法提出了改進,採用帶有偏差單元的遞歸神經網路作為模式分類器;採用32 32灰度和矩陣進行bpnn識別結果表明這種方法是有效的。
  20. After histogram transform, enhancement, smoothing, pre - segmentation, edge extraction and thinning, we get an image with clear edges. after extracting of feature units, we describe the shape of airports with straight - line segments and distinguish different objects with the length of the lines, which can achieve the computer - aided auto - recognition of airports

    經過直方圖變換、圖象增強、圖象平滑、圖象預分割、邊緣提取和細化后,得到了清晰的邊緣信息圖象,通過特徵基元的提取和識別,用直線段來描述直線狀目標,而用直線段的長度來作為目標定量特徵的描述,可以實現遙感影像機場目標的計算機識別。
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