等軸圖 的英文怎麼說
中文拼音 [děngzhóutú]
等軸圖
英文
isometric diagram-
( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。This paper discusses the polygon medial axis definition of gis and calculation geometry, and their main distinguishing feature, pointes out that the polygon medial axis should be the locu of the equal - distance points to two or more edges of the polygon ; analyzes the relevant different algorithm and cases in practice, and proposes the geometry means in theory relatively rigid and widely meeting the requirements in practice - dotted pair rank method and the map algebra polygon medial axis method, utilizes them to offer several polygon medial axis calculation examples
摘要比較了當前國內外gis中和計算幾何中關于多邊形中軸的定義，討論了它們的主要特點，指出多邊形中軸應是到兩個以上邊距離相等點的軌跡，並據此分析了相應的各種演算法和實際應用場合，提出了理論上較為嚴密、能夠廣泛滿足實際應用需要的幾何方法點對序列法和地圖代數多邊形中軸法。On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained
推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine
通過實測的示功圖，經過計算整理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉角、最高壓力升高率及其對應曲軸轉角、已燃質量分數、燃燒放熱率等物理量，可供進一步分析和揭示發動機缸內燃燒過程。On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well
本課題針對重載道路路面設計中所存在的問題，從重載交通特性出發，收集分析了國內幾條重載道路的交通及軸載組成情況，根據重載交通的特點，分析原有荷載圖式的不足，提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式；同時，在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上，通過對重載路面軸載換算公式的進一步研究，分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式；此外，本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討，系統地提出了重載路面的設計方法，並使之有效地運用到工程實踐中。Long parts, ( such as axis, pole and so on ) varying along the profiled bar direction by the length or by a certain rule can be shortened to represent, and the broken part shall be represented by waved line or zipped lines, as shown in fig. 13
較長的機件（軸、桿、型材等）沿長度方向的形狀相同或按一定規律變化時，可斷開后縮短繪制，斷開后的結構應按實際長度標注尺寸；斷裂邊界可用波浪線、雙折線繪制，如圖13所示。Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also
利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。The machine can be used in components of automobile and motorcycle, astronautic apparatuses, chips of integrate circuit electronics, packages of food, drink and cigarettes, keys of mobile phone, batteries, electric apparatuses, fittings and peripheral equipments of computer, ironware tools, stainless steel wares, electric products, communication products, medical devices, sanitation, cleaning and bathing wares, clocks and watches, jewelries, industrial bearings, electric wire and cable, garment. it can mark both words and graphs
廣泛應用於汽車、摩托車零部件、航天航空器件、集成電路晶元、食品飲料煙草包裝、手機按鍵、電池、電子元器件、電腦零配件及外設、五金工具、不銹鋼器具、電器產品、通訊產品、醫療器械、衛浴潔具、鐘表、首飾、工業軸承、電線電纜、服裝飾品等眾多領域的圖形和文字的標記In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。The second part ( chapter ) : this part analyses some related theories about recreation such as circle development theory, point - axis development theory, image map theory, rebam theory, etc. it also gives some principals such as educational and cultural principal, bodybuilding principal, agriculture developing principal etc. the third part ( chapter and chapter ) : on the basis of random investigation of the residents living in wulumuqi city on saturday and sunday and data analysis through the software - spss, some kind of program of social data analysis, it gains some information about the conditions and questions of the recreation activities
論文第二部分（第三章） :研究了綠洲城市遊憩產品開發的相關理論與原則。提出了旅遊開發相關理論如:圈層結構理論、點-軸線開發理論、意象地圖理論、環城遊憩帶理論等地理學和心理學等相關學科理論;同時提出了遊憩產品開發的幾大原則如:注重綠洲生態與遊憩產業綜合效益原則、教育性原則、民族文化交流與開發原則、人文關懷原則、全民健身原則和發展休閑農業和關注農業原則等。Study on brain electrical characteristics for two dimentional ( 2d ) real head models the brain electrical characteristics have been analyzed for 2d four layers concentric sphere head model, axial real and sagittal real head models from mri pictures. the equi - potential lines can be gotten in different drive patterns and it shows that the sensitivity for the resolution region, especially the center region in opposite drive pattern is more than others because the head bone has very low conductivity. the potential distributions change with conductivity increase and reduce within head
進行了基於eit技術的二維（ 2d ）腦電四層同心圓頭模型和真實頭模型的電特性分析計算對2d四層同心圓頭模型和山mri技術獲得的頭的斷層圖片構造的2d軸位真實頭模型及2d矢位真實頭模型的電特性進行分析，給出了各種激勵情況下的等電位線分佈。Through the studies of the invariants of the single axis motions, computational theories have been developed in this thesis to provide practical solutions for the problem of structure and motion from fitting the corresponding points in the whole sequence to its conic locus or conies for short. it is then shown that all single axis geometry can be directly computed either from one conic and one fundamental matrix or from at least two conies. the rotation angles then can be calculated directly from using the laguerre formula
本文通過詳細分析單軸旋轉運動中的不變量，利用物體點在單軸旋轉運動中軌跡為圓，而在圖象平面的投影為二次曲線的這一特徵，以二次曲線為分析的基元，研究了求解單軸旋轉運動結構問題的新理論和一系列新演算法，並在此基礎上完成了物體的三維重建等工作。Results the occlusion contact data and graph of wedge - shaped teeth defect had the features of trauma occlusion. 42. 97 % of them has the larger axial gradient degree, 96. 09 % of them has abration in different classes, 46. 29 % missing the front teeth and 57. 03 % missing the buccal teeth
方法採用臨床物理檢查和石膏模型測量，確定楔狀缺損牙軸傾度、磨損指數、牙缺失等指標；採用計算機圖像處理技術，自行編制軟體程式及硬體系統，測試被檢光（牙合）片，分析並提取楔狀缺損牙接觸（牙合）力、面積、接觸點（牙合）應力等資料和圖形信息。Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure
試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。Thirdly, taked the the development of bearing standard library as a example, introduced at large the process of software development, and the keystone, the difficulty. emphasized that how to input the data from database, how to protract 3 - d graphics makeing use of the part ' s parameters
論文重點部分以開發軸承標準件庫和風機系列設計為實例，詳盡介紹了軸承標準件庫軟體開發的過程，重點和難點，著重分析了數據庫中參數數據的載入，如何利用零件參數進行三維繪圖等。The system adopt powerbuilder 6. 5 to develop designing and calculating subsystem, and use sql anywhere for power builder 6. 5 to manage design parameter and design formula data and so on ; adopt object arx to develop graph managing subsystem and realizes parameter replace of bearing assembling drawing and part drawing ; adopt vc6. 0 and ole to realize automatic loading bearing assembling drawing and part drawing under autocad circumstance and execute uniform management on these drawings
系統採用powerbuilder6 . 5開發設計計算程序，採用pb6 . 5自帶的sqlanywhere數據庫管理設計參數、設計公式等數據；採用objectarx開發設計圖圖形數據處理程序，實現在autocad環境下的軸承裝配圖、零件圖的參數替換；採用vc6 . 0 ，應用ole技術，自動裝入軸承裝配圖、零件圖，實現對設計圖的統一管理。It utilizes the computer digital image processing technology. and this system can measure the characteristic parameters automatically and quickly, such as luminous intensity, center of far light, corner of the close light. the advantage is high accuracy, good repetition and automatic measurement
此系統採用多維精密可調工作臺，並利用計算機數字圖像處理技術，以vc + +編程實現，達到了自動測量出被測校準器的發光強度，遠光中心坐標，近光拐點坐標以及光軸偏角等特徵參數的目的。The second part of the dissertation concentrates on the applications of the digital image processing technique in measuring the specimen deformation in - triaxial test. it includes : ( 1 ) discuss of some problems in triaxial test. it includes the influence of end contact and end restraint, the volume variety during the triaxial specimen being saturated, the characteristic of distributing of the gram at the surface of specimen, etc. conclusions are made and some suggestions are presented
論文的第二部分是數字圖像測量技術在土工三軸試驗中的應用研究，主要內容包括以下幾個部分： （ 1 ）三軸試驗若干問題的討論：利用數字圖像測量技術，主要對三軸試樣的端部約束、端部接觸和端部區域「藏水區」效應、三軸試樣飽和過程中的體積變化以及試樣表面顆粒分佈特性等問題進行討論，給出了一些有意義的結論和建議。In order to realize the rapid design of it, the writer has setup a part database which covers the 3 - d model, the drawing and the material database of the representative parts
為了實現汽車前軸的快速設計，作者建立了汽車前軸設計資源庫，它包括前軸典型零件的三維模型庫、工程圖庫和材料庫等。A new way to draw isometric projection drawing is suggested. this method has special and novel character, and has the special significance for to draw advertisement drawing and to draw isometric projection drawing
提出一種全新的正等軸測投影畫法，該法獨特新穎，畫圖簡單，對廣告宣傳繪畫、計算機畫正等軸測投影圖有較大的實用意義。分享友人