dimension theory 中文意思是什麼

dimension theory 解釋
量綱理論
  • dimension : n 1 尺寸。2 【數學】次元,度(數),維(數)。3 【物理學】因次,量網。4 〈pl 〉容積;面積;大小,...
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. We describe the meaning of chaos > future idea of chaotic theory and influence on forecast ; introduce the character of chaotic time series, and point out the problem and shortage of the methods already existed computing character value which are fractal dimension and the largest lyapunov exponent and improve on it ; present the forecast principle of forecast method based on chaotic attractor, and point out the shortage of local field forecast method based on chaotic attractor and bring forward improved on methodo at the same time, we put forward a banausic algorithm and compare two models using practical example

    論述了混飩的含義與混淪理論的未來觀及其對預測的影響;介紹了。混飩時間序列的特徵,指出了己有的計算分形維及最大李雅譜諾夫指數這兩個特徵量的方法存在的問題與不足,並對此進行了改進;給出了基於混飩吸引子的預測方法的預測原理,指出了常用的基於混燉吸引子預測的局域法的不足並給出了改進方法,同時,給出了其實用演算法,並用實例進行了比較。
  2. Based on vc and opengl software platform, as a part of integrate planar mechanism analysis and simulation cai, the mechanism theory has been adopted to analysis the movement trace and profile of linkage ; adopt oriented object method to capsulate the class module. each corresponding class module complete parameter storage and process ; adopt message - map, message - trigger to organize the programming and response the user " s input ; use the document - view structure of the visual vc + + mfc class foundation as the basis of the programming architecture to complete those functions. use oriented object method to product the following class module : control class, render class, document class, mechanism class and other classes ; adopt opengl library to draw the three dimensional graph based on the result of mechanism analysis ; use model transforming, lighting, material, color, frame - buffer, display - list, graphics - component combine etc to draw the three - dimension mechanism and make the simulation of linkage has high reality

    本文敘述了平面連桿機構運動分析和可視化模擬的理論演算法及其編程實現方法,基於微機vc平臺,採用opengl圖形庫編程,利用面向對象的方法對機構進行功能封裝,利用vc + +的文檔視結構作為最基本的窗架,生成並控制三維繪制類、文檔類、主窗口類和一些輔助類,利用windows平臺的消息映射、事件驅動來組織程序運行和響應用戶反饋,利用機構分析得出坐標數據驅動opengl庫繪制三維機構圖形。
  3. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  4. The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum

    第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。
  5. In this paper x - ray diffraction dynamical theory and kinematicai theory fbr low - dimension semi - conductor hetero - epitaxy materials are analyzed particularly and are applied to analyze the structure of 1ow - dimension semi - conductor

    =摘要本文詳細分析了x射線衍射的動力學理論和運動學理論,並將其應用到低維半導體材料的結構分析。
  6. One fault diagnosis model and corresponding algorithm was constructed based on neural network and evidence theory for taking a step forward diagnosis correct rate, which can cut down the imput dimension of neural network 、 improve classification ability 、 decrease the error classify rate of diagnosis system. then, the feasibility and effectiveness of this method was manifested by specific diagnosis example

    為進一步提高診斷準確率,本文基於神經網路和證據理論,構建了基於決策層信息融合的故障診斷模型及其相應演算法,目的在於降低神經網路的輸入空間,提高其分類能力,降低診斷系統的誤分類,診斷實例表明了這種方法的可行性和有效性。
  7. The fractal theory application to fault diagnosis is tried in order to overcome the defec t of wavelet transform to nonlinear signal analysis and complicated machine diagnosis, including the concept, function and application about fractal dimension and the process of applying it to analyze the libration signal of rolling bearing and engine burning

    針對小波變換分析復雜非線性機械繫統時表現出的力不從心,又嘗試探討了分形理論在故障診斷領域中的應用,討論了分形維數的概念、物理意義和應用,並通過滾動軸承和發動機燃燒振動信號的分析例示探討和展示了應用分形方法進行故障診斷的方法和過程。
  8. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  9. The quantitative computing on the heating furnace lining damage detection is based on the inverse heat conduction theory, the lumpish damage shape is discussed and computed by two and three dimension numeric simulation. the computing results are found to be satisfactory with the experimental results

    加熱爐襯里損傷探測定量計算的理論基礎是導熱反問題,本文就塊狀損傷形狀進行了二維與三維的數值模擬計算,其計算結果與實驗結果基本吻合。
  10. Based on the theory of the extended fractal dimension, this paper studied the attenuation level of self - similarity of various map objects with the variety of the map scale, and researched further the relationship between the scale level factor of map features and fractal attenuation

    以擴展分維作為理論基礎,從變維分析的角度出發,研究地圖目標的自相似程度隨比例尺變化而衰減的規律,進一步研究地圖目標的尺度指標與分形衰減之間的關系。
  11. The second chapter is about the epistemology, methodology, natural law and the naturism theory of human nature, all of which are philosophical premise of classical economics in the natural dimension

    第二章考察了自然主義維度下的古典經濟學的哲學基礎,包括認識論、方法論、自然法以及自然的人性學說。
  12. Part two focuses on the explanation and statement to the supernational dimension theory of european integration from a vertical angle and on the brief investigation of another possible form - - - - - way of regional transnational union - - - - - - of supernational dimension from a horizontal angle

    第二部分主要從縱向角度對歐洲一體化超國家向度的理論做出闡釋與評述,並從橫向角度簡要考察超國家向度的另一種可能形式? ?區域跨國聯合道路。
  13. Three dimension theory and genetic research on personality review

    三維人格理論與人格的遺傳學研究
  14. So far, mathematicians who study topology have obtained substantial achievements in important topological directions, such as generalized metric space, cardinal function, compactness, dimension theory, etc. but what is worth to paying attention to is that we often draw on one special type of topological space to think and solve problems, for example, the classical structures, sorgenfrey line k, michael line rq, niemytzki planetv, kxk, # q xp, etc. ; subtle and profound topological properties aredetailedly characterized by them

    而值得注意的是,在一般拓撲學的研究歷史中,我們常常藉助一類特殊的空間來思考和解決問題,如我們熟悉的經典構造: sorgenfrey直線k 、 michael直線r _ q 、 niemytzki平面n 、 k k 、 r _ q p等等,漂亮地刻畫了細微而深奧的拓撲性質。
  15. Using the numerical computation method to simulate the pure air flowing in the plasma generator and using zero dimension theory and continuous medium hypothesis to establish the mathematical model of the plasma generator and applying the curvilinear coordinate to disperse the space of the plasma generator, applying simplec method to solve the set of discredited equations

    應用數值計算的方法模擬了等離子發生器內部的純空氣流動,應用零維理論分析模型和連續介質假設建立了描述等離子發生器內部流動和傳熱的數學模型;採用貼體坐標系對等離子發生器的流場空間進行空間離散;採用simplec演算法來求解離散方程,獲得流場的數值解。
  16. The dimension theory of sea resources exploitation strategy and integration of development strategy

    海洋資源開發戰略位理論與開發戰略整合
  17. When using zero dimension theory and system engineering theory, the ideal function of carbon loss is put forwarded, which is the basis of economical analysis and energy conservation analysis

    應用無因次理論基礎知識,在系統論的基礎上,探索出了關于機械不完全燃燒熱損失的目標值函數。
  18. Based on the formers, this dissertation efficiently selects the face features abstracting using ica. with no decline of recognition rate, the feature dimension is reduced, so the course of recognition is accelerated. support vector machine pattern recognition method is based on vc dimension theory, adopting the srm principle and considering training error and the generalization ability, which has shown many special advantages in dealing with small samples, non - linear and pattern recognition in high dimension

    本文採用基於矩陣s的人臉表示方法,將ica特徵選擇的概念和演算法用於人臉特徵的提取和優化,在不影響識別率的情況下,降低了特徵維數,提高了識別速度;支持向量機( svm )模式識別方法基於vc維理論,採用結構風險化原理,兼顧訓練誤差和泛化能力,在解決小樣本、非線性及高維模式識別問題中表現出許多特有的優勢;對于多類問題,介紹並採用了「一對一」的策略進行svm分類器設計;對于圖像預處理,詳細介紹了幾何歸一化的演算法步驟。
  19. Zno nanowhiskers synthesized by oxidizing zn vapor at low pressure show different morphology in this study. according to fractal dimension theory, fractal dimension calculation program ( fdcp ) has been developed to calculate the fractal dimensions of zno nanowhiskers

    本文用高頻感應加熱的方法在低真空氣氛中制備出不同形態的納米zno晶須,使用tem和xrd來分析其結構和形貌,並利用fdcp程序來計算它們的分形維數。
  20. First, from the viewpoint of dissemination, the thesis analysis the relationship among the study contents, teaching target and medium in classroom teaching, recognize the important position of medium choice in teaching. on the basis of the theory, " the three dimension model of the content of course - target - medium choice ", put forward by professors li kedong, xie youru in beijing normal university, the thesis tries to establish the three dimension theory model in high school chemistry teaching to adapt to the teaching practice

    首先從傳播學的角度,分析學習內容、教學目標、媒體在課堂教學中的關系,認識媒體的選擇在教學中的重要地位。在北京師范大學李克東、謝幼如教授等人提出的「教學內容-目標-媒體選擇三維模型理論」的基礎上,嘗試建立中學化學的三維理論模型,以適應化學學科的教學實際。
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