精密性模型 的英文怎麼說

中文拼音 [jīngxìngxíng]
精密性模型 英文
elaboration model
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 精密 : precise; precision; accurate
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有切的關系,是開展細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演,並分析了的適用
  2. Electronics engineers build their models with breadboard circuits, using the laws of physics to determine expected values for various properties and then precision instruments to measure actual values

    電子學工程師通過電路試驗板建造,運用物理學法則確定不同屬的期望值,然後使用儀器來測量出實際值。
  3. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的確成像,然後,利用非線迭代演算法,確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足確恢復大場景稠深度圖的要求
  4. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成技術改變了傳統的產品開發式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀;快速成技術迅速提供砂鑄造、熔鑄造、實鑄造用的各種樣,包括樹脂、層壓、熔和消失等,還可採用直接制殼鑄造法直接製造熔鑄造用的壓、金屬、壓鑄、注塑,甚至直接製造小批量鑄件,介紹了熔積成技術在石膏鑄造上的應用和基於選擇激光燒結技術的快速鑄造技術,快速成技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成技術為母的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成技術製造具的一般工藝方法,探討了將快速成技術與金屬電弧噴鍍技術結合起來快速製造金屬具問題,以及快速成技術與鑄造技術相結合的具製造工藝,基於快速成製造的快速具技術,集成了快速成製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  5. Abstract : applying the theory of linear and nonlinear regression, the mathematical model of the intelligent measuring system of the flow of asphalt, which describes the relationship among volume coefficient, temperature and relative density of asphalt material is studied. the nonlinear mathematical model for this relationship is set up and the precision of the model is brought up

    文摘:應用線及非線回歸理論對瀝青流量智能測試系統的數學瀝青材料的體積系數與溫度及相對度的相關關系進行了研究;建立了該相關關系的非線數學,並給出了
  6. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的、可靠和可操作;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積切相關。
  7. This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability

    本論文以攀鋼集團內部的資產重組為研究對象,從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內外部環境入手,運用邁克爾?波特的五力競爭及因素分析法,分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法,對重組后企業的發展戰略,從管理角度進行了定位分析,為重組后企業發展提供了可選擇的四種發展戰略:即大膽發展戰略,要求新公司充分運用重組后新企業的資源優勢,資金優勢,人力資源優勢,技術優勢,是提高管理水平,加快技術改造,開發高附加值產品和新產品生產線,盡快立於強勢企業之林,早日實現「鋼鐵航母」夢的必要條件;分散戰略,提高產品的科技含量和生產高附加值的產品,全面提升企業品牌形象,擴大高端產品的市場份額,是提高企業效益,實現企業目標的必要手段;防禦戰略,調整企業組織結構,削減勞動和低附加值產品生產線,降低不良資產存量,減輕企業包袱,做到輕裝上陣,有利於迎擊競爭對手的挑戰;退出戰略,壓縮高消耗、高成本產品的生產,降低低端產品的比例,簡生產工藝,將最終產品的成本控制在較低水平,是提高企業競爭力的有效途徑。
  8. In order to carry out the strategy of variety, high quality, and an expanded packing field, the company specially imported a six - color automatic engraving printer, high speed four - color automatic printer imported press machine from south korea, precision paper cutting machine imported from italy, computerized high speed cutting machine imported from germany, automatic pressing machine, automatic gluer and so on to lead the technology in the country and be the highest quality model in the line

    等包裝業務。為拓展產品種類和提高包裝產品品質,特別進口六色全自動凸版彩藝印刷機,專業生產鞋用包裝紙。及進口韓國高速壓花機德國高速一次成四卷截紙機義大利高速截紙機德國高速計算機化截紙機,並研發出符合世界標準的環保水油墨印刷,技術全國領先,品質為行業楷
  9. Paper aims at the theory problem of exact celerity machining design which is realized urgently in special shaped products, solves mathematics model of similar forming plastic stream, recurring to modern conformal mapping fruit, builds die mathematics model and optimized function equation of arc square product in precision extruding / drawing, establishes theory model for precision celerity shaped die of cad / cam integrative constitution

    摘要本文針對亟待實現的擠壓(拔制)異快速加工設計理論課題,藉助于近代共形映射理論研究成果,求解了異材擠壓(拔制)具相似成形塑流動的數學,建立了圓角方擠壓(拔制)腔數學及其優化函數方程,建立了為實現快速的cad / cam一體化的理論
  10. China spring factory, founded in 1937, is the largest spring manufacturer in china. it mainly produces automotive suspension spring, engine valve spring, stabilizer bar, die spring, shaped spring, dise spring, clutch spring

    中國彈簧廠始建於1937年,是中國規最大的彈簧製造企業,主要生產汽車懸架彈簧、發動機氣門彈簧、穩定桿以及具彈簧、異彈簧、碟形彈簧、離合器彈簧、超大彈簧、各類彈沖壓件和其他螺旋彈簧。
  11. Through identifying better and apperceiving earlier organizational politics behaviors, in order to reduce all sorts of kickbacks to nadir, in our research according to ferris organizational politics perception model, combining the practice of key disciplines of the university, based on integrated, scientific, objective, precise, measurable principle, we construct cause and effect model of knowledge - intensive organizational politics perception

    為了更好的識別和盡早感知組織政治行為,將其給組織帶來的種種不良後果減少至最低,本研究參照ferris組織政治知覺,並結合我國大學重點學科的實際,依據完整、科學、客觀、可測原則,構建了知識組織組織政治知覺前因及後果
  12. With nanjing electronic information, electromechanical integration, and precision machinery, new home appliances, spare parts processing, and numerically controlled machine tools and cnc systems, motor vehicles and accessories, die manufacturing and shipbuilding industries, and special transmission equipment, aerospace, high - performance intelligent instrumentation and sensors, laser application, machinery manufacturing, and other pillar industries in the rapid development of nanjing bearings, fasteners, springs and other important infrastructure components consumption will be a great space for growth. for a considerable period of time will remain the most potential domestic consumer market

    隨著南京電子信息機電一體化及機械新家電零部件加工數控機床和數控系統汽車及汽車配件具製造業造船工業特種傳輸設備航空航天高能智能化儀器儀表及傳感器激光應用機械製造等支柱產業的快速發展,南京軸承緊固件彈簧等重要基礎元件消費量還將有巨大的增長空間,在今後相當一段時間內仍將是國內最具潛力消費市場!
  13. Abstract : technology dimensions of work parts always exceed the determined technology dimension limits. but when the work parts are big enough, it is still possible and valuable to modify the work parts " following technology process and technology dimensions, which are respectively called as dynamic technology process ( dtp ) and dynamic technology dimension ( dtd ), to ensure them to be qualified. a mathematical model is proposed which is about how to plan the dtd once the dtp is determined. a software has been written to testify the correctness of the above model. this model will be very useful in the capp and online quality assurance in the manufacturing of precise machine parts

    文摘:工件的工藝尺寸在工藝過程中經常會超出許可的范圍,但當這些超差工件仍有足夠的加工余量時,通過修改其後續工藝路線(稱為動態工藝路線)及工藝尺寸(稱為動態工藝尺寸)仍有可能將其加工成成品.本文提出了一種在後續工藝路線確定后如何確定后續工藝尺寸的數學,並利用該成功地編制出了動態工藝尺寸設計的軟體,且用很多事例驗證了該的正確.該方法可以應用於機械零件製造時的計算機輔助工藝過程設計及在線質量保證
  14. This project name is " basic technique research and vibration isolation theory with bionic mechanism for devices of high precision ". this thesis is mainly in two aspects : theoretical analysis and experimental research. it is composed of the characteristic of power transmission based on the smr model, control theory of vibration isolation for micro - manufacturing platform

    本學位論文結合國家自然科學基金項目「裝置仿生隔振系統理論及基礎技術研究」 ( no . 50075078 ) ,從理論分析和實驗研究兩方面,對smr的功率傳遞特、微製造隔振平臺控制理論和主動振動控制技術進行了深入、系統的研究。
  15. Utilizing the design of external shell, dual axis capacitive accelerometer was succeeded, and the sensitive properties were characterized and analyzed. with the assistance of signal processing circuit consisted of amplifier circuit and filter circuit, the signal from the sensitive chip is converted into the voltage signal that meets the product performance requirement. moreover, we employed micromechanical technique to fabricate the

    後端信號處理電路通過放大電路及濾波電路,將敏感晶元輸出的電壓信號轉換成符合產品能指標的電壓信號,經過電路擬及實驗驗證了電路的可行;利用機械加工技術製作的外殼使得傳感器整體化、小化;對產品實際能測試和環境試驗后表明,該傳感器主要技術指標滿足設計要求。
  16. In order to deal with the nonlinearity and hysteresis of piezoceramics, a precise power amplifier circuit with charge - feedback loop was developed. and an electromechanical model of piezoelectric actuator is presented to demonstrate that charge - feedback control is prominently effective to reduce hysteresis, creep and to improve linearity

    本文針對壓電陶瓷存在非線與滯后的問題,根據電荷反饋原理設計了功率放大電路和電荷反饋迴路;建立了壓電作動器的機電,證明了電荷反饋控制對于減小回滯現象、提高線度有明顯的作用。
  17. Model dk7720a is a special electric discharge wire cut machine, which is mainly used for machining magnetic material as well as mading exactitude mould and parts of other metal material. features electro - mechanical integration, and hegh machining efficiency

    Dk7720專用電火花線切割機主要用於加工磁材料,也可用於加工具及其它金屬材料零件,具有機電一體化,加工效率高行裝特點。
  18. The optimization design of portal crane luffing system is the result that optimization design apply in engineering design, but because the engineering problem is complicated, the traditional optimization design method is not very successful. in this paper, the optimization of the single boom system with compensating pulley and level - balancing weight is studied. in the math model, the wire rope length encircled in the pulley and reel is considered, that enhance the optimization precision and introduce genetic algorithms, combine engineering tightly, that settle the difficult in the traditional optimization successfully

    門機變幅系統優化設計是將優化設計方法應用於工程設計中的產物,但由於設計工程問題的復雜,採用傳統的優化設計方法優化的成功率及效果並不理想。本文以單臂架變幅機構導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統的獨立及綜合為研究對象,考慮了滑輪和捲筒處包繞的鋼絲繩長度變化,從而提高了優化度,同時引進一種新優化演算法? ?遺傳演算法,緊結合工程實際,較為圓滿的解決優化過程中存在的問題。
  19. Based on the response theory of an elastic earth to surface loads and the model of the standard atmosphere, the characteristics of changes in the loading effects with time, space and frequency are comprehensively investigated in this dissertation. the numerical results obtained in this study can provide accurate atmospheric correction models for high - precision continuous measurements of the geophysical fields such as gravity, tilt, displacement and strain on the earth ' s surface

    本文基於彈地球對表面負荷的響應理論和標準大氣,綜合研究大氣負荷效應的時間、空間和頻率特徵,為地表重力、傾斜、位移和應變等物理場的高度連續觀測提供大氣影響改正
  20. Using industrial organization theory, this paper analyzes the market structure and the market behavior of the alcohol fuel industry, and proposes that the fuel alcohol industry is capital intensive and monopolizing competitive industry, and analyzes the form and the characteristic of the forward connection and the backward connection of the fuel alcohol industry chain, then compares different connection forms. this paper analyzes and studies the organization mode of the fuel alcohol industry development, puts forward an organizing pattern of vertical coordination of the fuel alcohol industry, founds evaluate model of organizing pattern of vertical coordination of the fuel alcohol industry by hierarchy analysis

    應用產業組織理論,分析了燃料酒產業的市場結構和市場行為,提出燃料酒產業是資金和壟斷競爭的產業,分析了燃料酒產業鏈的前向連接和後向連接的形式與特點,對不同連接形式進行了比較,對燃料酒產業發展的組織式進行分析研究,提出燃料酒產業發展的貿工農一體化經營的組織式,運用層次分析法建立燃料酒貿工農一體化經營組織形式選擇評價
分享友人