field extraction 中文意思是什麼

field extraction 解釋
欄位抽段
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • 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。
  1. In order to utilize the by - products produced in the process of soybean oil to develop the series products with high - tech content and high affixture, the raw material classification, substance composing, product quality, function characteristics, extraction technology, applied field, the foreground of development and existent problems, were synthesized

    摘要對植物性大豆蠟研發的原料分類、物質組成、產品質量、功能特點、提取技術、應用領域、發展前景及存在的問題進行了綜合性表述，旨在綜合利用大豆油脂加工中的副產物，開發高科技含量與高附加值的系列產品，開拓新的應用領域，為國家提供新的蠟質資源，並推進到國際商品市場。
  2. On the basis of having refered larg number of abroad test - well data and having investigated same local test - well, this dissertation have designed the drill and petroleum extraction tools test - well whole scheme to fit the well drill and petroleum extraction busywork characteristic and the demand of technique store for the dagang oil - field

    本文是在進行了大量的國外試驗井資料查閱及國內試驗井調研的基礎上，根據大港油田鉆采作業的特點和技術儲備的要求進行了鉆采工具試驗井總體方案的設計。
  3. Feasibility study of hard gaolin extraction in luling coal field

    蘆嶺井田硬質高嶺土開采可行性分析
  4. Through the inspecting, the author selected three methods of eradiate noise ' s feature extraction. the methods include the pedigree, e - filter, fractal. in those methods, the pedigree is based on frequency field, the e - filter is based on the energy field and the fractal is based on time field

    本文作者經過考察，採用了三種前期研究中較為有效的水下目標特徵提取方法? ?基於功率譜估計的線譜特徵提取方法、基於小波分析的不同頻段內能量特徵提取方法和基於水聲信號分維特性的特徵提取方法。
  5. The experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing

    在自行設計的連續電泳萃取池內實驗研究了電場強度、兩相流速等因素對丁醇萃取率及傳質通量的影響。
  6. The tv goniometer is the ground control equipment of a model of anti - tank missile. it uses two ccd cameras and the signal extraction method of background counteract, which can make the guiding process of anti - tank missile wo n ' t interfered by sunlight, firelight of battle field, light, flame tracer etc. it can greatly improve the anti - interfering ability of the anti - tank missile system

    該電視測角儀是某型反坦克導彈武器系統的地面控制設備，它採用兩個ccd攝像機和背景抵消的信號提取方法，可使反坦克導彈的制導過程不受太陽的反光、戰場的火光、燈光、曳光彈等干擾。
  7. Aim at the characteristics that parts of oil wells of oil - field in jiangsu locate the hongze area floodway in the lake, which designed a kind of lake area oil extraction terrace

    摘要針對江蘇油田部分油井位於洪澤湖區泄洪道上的特點，設計了一種湖區採油平臺。
  8. On the basis of the discussion of the ecological rehabilitation on subsidence land of coal extraction, the land structures of nourishment, plane and perpendicularity on subsidence area of coal extraction are differently designed. on nutritive structure green crops are mainly common crops, green vegetables, green forage crops and acquatic creatures. on plane structure the center of the subsidence land of coal extraction can be used as fish culture in net cage, the periphery can be established as fish pool and economic crops in water, and the outmost layer can be used as high - yield field, vegetable shed, domestic animal breeding area and fruit - bearing forest. on vertical structure the deepwater area can be established as fish pool and economic crops in water, and the uppermost layer can be developed as acquatic and semi - acquatic crops or dry farming crops

    在討論採煤塌陷地生態復墾的基礎上，對新泰市採煤塌陷區生態復墾用地的營養結構、平面結構和垂直結構進行了優化設計.在營養結構上，綠色作物主要是農作物、蔬菜、飼料及水生生物.在平面結構上，在塌陷的中心地帶實施網箱養魚，外圍區建立精養漁塘和水生經濟作物，最外層生態復墾為高產農田、蔬菜大棚、畜禽養殖區和林果地.在垂直結構上，在積水區建立精養漁塘和水生經濟作物，最上層則發展水生、半水生及旱作綠色經濟作物
  9. Data mining is an important research subject in the field of information technology. it means a process of nontrivial extraction of implicit, previously unknown and potentially useful information from data in databases or datawarehouses. it involves such subject areas as database, artificial intelligence, machine learning and statistics. classification analysis is an important data mining problem

    數據挖掘（ datamining ）是信息處理技術研究領域的一項重要課題。它是指從大型數據庫或數據倉庫中提取隱含的、未知的、非平凡的以及有潛在應用價值的信息或模式的過程。
  10. In computation of swept volume approximation, an improved technique to generate the swept volume approximation for arbitrary meshes is presented by introducing generator simplification and path resample using frenet moving frames along the discreted sweeping trajectory. other steps, such as a directed distance field computation on a uniform grid based on the hardware accelerated computation technique and iso - surface extraction using marching cubes algorithm, are also included in this algorithm. in addition, the simplification scheme and smoothing technique are applied to the swept volume generated from iso - surface extraction

    本文的主要貢獻在於：在掃描體逼近計算方面，在原有任意多邊形網格模型沿任意路徑運動生成掃描體逼近演算法的基礎上，提出了加入對掃描母體簡化的預處理和用活動標架對掃描路徑進行重采樣等過程，演算法的其它過程還包括：計算掃描體中幾何基元的排列，用硬體加速構造無符號的有向距離場，將無符號距離場轉化為有符號距離場，從有符號有向距離場提取等值面等。
  11. At chengdao oil field, seawater injection is a main method in oil extraction, but it is difficult to improve the water quality

    在海洋石油平臺採油過程中，注水採油是一種行之有效的方法，然而注水系統及其水處理系統的自動化程度卻一直沒有得到必要的提高。
  12. By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project

    接著，通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗，了解了氣化爐內溫度場分佈，得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律，並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗，為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。
  13. Application of plastic foam preconcentration - tmk extraction - microbead colorimetry in determination of gold in field

    硫代米蚩酮萃取微珠比色法在野外測金的應用
  14. Soil quality - determination of nitrate, nitrite and ammonium in field - moist soils by extraction with potassium chloride solution - part 2 : automated method with segmented flow analysis iso 14256 - 2 : 2005

    土壤質量.氯化鉀溶液萃取法測定田間持水土壤中的硝酸
  15. Influence of cataract extraction on blue - on - yellow visual field

    白內障摘出對藍黃視野的影響
  16. 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，經過背景去除，把感興趣的人體區域提取出來，通過二值化，中值濾波等預處理方法得到只有人體的一個單連通區域，然後用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法。在完成對腿部骨架模型的自動初始化之後，本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一幀中其實際坐標，從而重構出腿部骨架的運動過程。
  17. Computer - aided paper fragments reassembly is a novel and typical application in the field of computer vision and pattern recognition, which is completed through scanning and image extraction techniques to obtain the shape, color and other information. then the paper fragments are reconstructed based on computer processing

    碎紙自動拼接技術是圖像處理與模式識別領域中的一個較新但是很典型的應用，它是通過掃描和圖像提取技術獲取一組碎紙片的形狀、顏色等信息，然後利用計算機進行相應的處理從而實現對這些碎紙片的全自動或半自動拼接還原。
  18. The production practice suggests that waste beer yeast could be used in the production of health food ( yeast extract, flavoring, white powder, fruit vinegar, beverage etc. ) and for the extraction of bioactive substances ( sod, fdp, rna, - glucan, glutathione etc. ) in medicine field

    研究表明，啤酒廢酵母可以用於生產酵母浸膏、天然調味品、營養蛋白粉、營養果醋、發酵酸乳飲料、胞壁多糖等營養食品；在醫藥上可作為提取sod ， fdp ， rna ，谷胱苷肽及葡聚糖等生物活性物質的好材料。
  19. As a general artificial lifting extraction mode, mechanical pump well has taken an important role in the world oil extraction for its proven technique, reliable performance and well adaptability, for underground reserves decreasing year - by - year, percent of water increasing year after year, in order to keep high and stable yields, restrict management ways and efficient technical measures must be taken in daqing oil field

    機械採油井作為常規的人工舉升開采方式，由於其技術成熟便於掌握，工作性能可靠，適應性較強，因而在當今世界各國油田生產中佔有舉足輕重的地位。在大慶油田，由於地下儲量在逐年減少，含水逐漸上升，在這種情況下，要繼續保持油田高產穩產，必須採取嚴格的管理辦法和有效的技術手段，確保油田高產穩產。
  20. It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper

    首先對論文的選題以及相關背景進行了探討，並對相關的小波基礎理論進行了闡述，主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面:在論文中，首先對小波分析在信號的諧波分量提取中的應用進行了研究，在此基礎上，提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象，探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因，以及混疊現象較易發生的頻帶，提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統，設計實驗採集得到三組故障數據:偏心故障，偏心+輕微碰摩復合故障，偏心+中度碰摩復合故障，並對這些數據應用本文提出的分析方法進行信號處理，提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法，完成了電機故障檢測系統的軟體開發。
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