dimension geometry 中文意思是什麼

dimension geometry 解釋
構成要素
  • 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,...
  • geometry : n. 1. 幾何學。2. 幾何形狀。3. 幾何學著作。
  1. The empoison of this courseware changed the situation of the traditional teaching model in which the teacher draw the picture on the blackboard and it is so difficult to image the three - dimension space that the students ca n ' t understand the relevant knowledge in space analytic geometry

    本課件的開發改變了傳統教學中,學生空間想象力差難以接受相關知識以及教師在黑板上畫圖,難以建立空間概念等困難的現狀。
  2. In addition, java3d can only accomplish the regular geometry sculpting and ca n ' t accomplish the irregular geometry sculpting. to solve this flaw, a new way of sculpting the gyre - solid and changing - section - brace by approaching the solid with small slice is put forward. at the same time, rendering and third dimension disposing are settled in this paper

    另外,在系統開發過程中,針對java3d三維造型功能類中僅包含標準幾何形體的問題,這里用四邊形面片逼近曲面的方法解決了回轉體和變截面曲柄的三維建模,以及這種建模方式下的渲染和真實感處理問題。
  3. Through merging the dimension parameters into the data structure, the solutions to the constraints are solved using geometry organon

    通過將尺寸參數融入數據結構之中,利用幾何推理法編程實現了對尺寸約束的求解。
  4. The implementation uses two - dimension images as input. the arrangement of light spots on the lunar rover and the imaging geometry of the camera are used to compute the three - dimension coordinates of the light spots in camera coordinate system, and after transformation, the world coordinate of the light points. we can then easily get the coordinate value of center of mass of the rover after averaging the world coordinate value of light points

    本文構造了一種光點配置單目ccd演算法,它以計算機視覺系統採集的二維圖像信息作為輸入,直接利用光點的幾何配置條件和攝像機成像幾何關系,求解出光點在ccd攝像機坐標系下的三維坐標,並經過坐標變換,轉化為在世界坐標系下的坐標,然後取其平均值,從而得出月球車的中心位置。
  5. The influences of stator ' s teeth on vibrating modal of the linear standing wave usm are discussed in this paper, in which eigenfrequency and wave - shape are analyzed while the position and geometry dimension of stator ' s teeth are changed, and it can give some advice on design for standing wave linear ultrasonic motor

    摘要本文對一類直線型駐波超聲電機振子的振動模態進行了系統的分析,討論了定子齒的位置、幾何尺寸對直線型超聲電機的固有頻率、振型的影響,為該類駐波型直線超聲電機的設計提供了理論依據。
  6. On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions

    以分形幾何理論為基礎,對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維數時尺度范圍的確定方法,分析了聲發射信號在刀具磨損過程中分形維數的變化特性.刀具磨損切削實驗數據表明,聲發射信號的分形維數受切削參數變化影響較小;分形維數反映了聲發射信號的幾何特徵,其大小能較好地反映刀具的不同磨損狀態.實驗結果表明,該方法能正確地實時在線監測刀具的不同磨損狀態
  7. Based on the 3d geometry vision, using java3d, for each of worktable and sine welding seam part of sheet, the ve modeling experiments achieve the construct of macrostructure, security virtual thickness and virtual guide based on error, and accomplish the space restriction of robot running. via the structured laser sensor ’ s getting three - dimension information, the experiments achieve the modeling of sine welding seam part of sheet by using programming

    在立體視覺傳感系統獲得三維信息的基礎上,利用java3d建模技術,分別對工作臺、薄板正弦曲線焊縫工件進行建模實驗,完成了虛擬環境中宏觀環境模型的建立,並根據誤差建立了安全虛擬厚度和虛擬向導,完成了對機器人運動的空間約束;通過結構光傳感器獲得三維信息,編程實現對薄板正弦曲線焊縫模型的建立。
  8. Abstract : three - dimension wheel - rail contact geometry is taken into account in studying the vibration between bridge and vehicle. the iteration method of wheel - rail creep force is proposed to improve the existed calculating method

    文摘:對車橋耦合振動研究中輪軌關系的線性方法進行了改進,提出考慮三維非線性輪軌接觸幾何,採用迭代法求解法向力和蠕滑系數。
  9. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性,首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型;同時,從s維樣本空間的f ~ c -劃分幾何特性出發,提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法;對一個待診斷樣本,設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  10. Propeller is a critical part of crystallizer, the geometry shape and dimension of which determine the flow field in the crystallizer

    攪拌槳是攪拌釜式結晶器的重要部件,攪拌釜內飽和溶液的整體流動形式與攪拌槳的葉剖面形函數和槳的結構參數密切相關。
  11. 2. some theory of high - dimension space is introduced and a new feature extraction method avito correlation - angle is presented based on high - dimension space geometry. 3

    介紹了高維空間幾何學的一些基本定義,並在此思想上,提出了自相關夾角法對語音信號進行特徵提取。
  12. Based on the fractal geometry theory, this paper constructed the fractal geometry of road network, and applied the hausdorff dimension to the overall evaluation of road network

    摘要基於分形幾何學理論,構建了公路網的分維數概念,並將其應用於公路網規劃整體性評價。
  13. The blade section can be designed by parent section, thereby its chordwis circulation distributions can be worked out, and then lifting surface theory is used to design the three dimension blade geometry

    剖面採用母型剖面方法來設計,進而可確定槳葉弦向環量分佈,然後由升力面理論設計三維槳葉的幾何形狀。
  14. Granule which dimension is millimeter only is used generally, the micron can have the ability of enhance, the nami will be exceed, the define of microscope granule measure is all of data which can be scaled and statistic included geometry, pileup, combination, make up, object shape, micro hole. the basic object which is discussed by the article and software is granule dimension ( length, granularity ) and orientation measure

    毫米顆粒僅具常規性能和常規用途,微米( 10 ? 0 . 1微米)顆粒具增強功能(力學增強、流態化能力增強、磁力增強等) ,納米( 100 ? 0 . 1納米)顆粒具超常功能(韌性陶瓷? ?摔不碎,超硬銅材? ?硬度提高500 , 750度低熔銅、黑色白金、隱形材料等) 。
  15. Aim at the status of design of aeroengine casing parts almost without using parametric methods, an improved method is proposed which can deal with the relationship of associated dimension of geometry elements in the parts. a new method can embed the geometry elements in a sketch into another sketch so that the model of the casing parts is parametric and can be modified conveniently

    針對航空企業設計機匣零件參數化程度不高的現狀,提出了改進方法,注重機匣零件相關尺寸之間的關系處理,提出了草圖特徵嵌入草圖的新方法,提高了參數化程度,使得模型具有較好的可修改性。
  16. This paper combine the properties of railway bridge to establish the model of vehicle and three - dimension finite model of wan zhou yangtze river bridge individually, then according to the basic hypothesis and through the relations of geometry displacement compatibility and force and adopting the mode superposition to establish the coupling model of vehicles and bridge

    本文結合鐵路橋梁的特點,分別建立了車輛模型和萬州長江大橋的三維有限元模型,根據橋梁結構的基本假設,採用模態綜合法,通過輪對與輪軌之間的幾何相容關系和力的關系建立了車橋耦合振動模型。
  17. In the end, the theory of fractal geometry is applied to the waves propagation and scattering in atmospheric turbulence, and the first and second order moments of the scattering fields are derived by considering the effects of the fractal atmospheric turbulence. the normalized back - scattering radar cross section of a perfectly conducting disk is calculated. the influence of fractal dimension of atmospheric turbulence on the radar cross section is analyzed

    本文最後將分形理論引入到湍流大氣中的波傳播和散射領域,導出了分形大氣湍流中光滑導體目標散射場的一階矩和二階矩,以光滑導體圓盤為例研究了湍流大氣的分維對導體目標後向散射截面的影響。
  18. He was particularly attracted to work by german theodor kaluza and swede oskar klein, which proposed that whereas gravity reflects the shape of the four familiar spacetime dimensions, electromagnetism arises from the geometry of an additional fifth dimension that is too small to see directly ( at least so far )

    他特別注意到德國人卡魯扎與瑞典人克萊恩的研究,他們倡議重力可反映出熟悉的四個時空維度,而起源於額外第五維度幾何的電磁力,則因為太過渺小,至少到目前為止無法直接看到。
  19. According to three dimension braided composites for braided technology - four - step and technology - two - step procedure, and with reference to theories of braided fabric geometry and force models, a geometric model is built. in this model, the cross - section of thread is described as a circle and thread path as a cubic b - spline. braided - fabric structures in three dimensions are displayed by using solid - modeling techniques

    本文三維編織物根據四步法和二步法編織工藝,從紗線的力學模型出發,建立了以圓形近似描述紗線的截面形態,以三次b樣條曲線近似描述紗線的屈曲形態的織物空間幾何模型,利用計算機三維實體造型技術,分別建立各自的編織物實體模型,用來模擬織物內部各紗線的空間位置,完成織物結構模擬。
  20. Based on the analyses on all kinds of structure and principle of hydraulic mounts, math mechanics model of hydraulic mount is set up by applying the theory of hydro - structure coupling, the mass parameters and geometry position parameters of each component in this model is imported into the software adams by entity data model established by three - dimension cad soft unigraphics. and dynamic analyse model of mount system is set up, simulation calculation is made on hydraulic mount component and mount system by using the software adams, the influence of model parameters on dynamic characteristics of hydraulic mount is analyzed and compared with experiment results, the correctness of hydraulic mount model is validated

    本文在分析各種液壓懸置結構和原理的基礎上,利用流體結構耦合理論建立了液壓懸置的數學力學模型,模型各構件的質量參數、幾何位置參數通過三維cad軟體unigraphics所創建的實體數模導入到動力學模擬軟體adams中,建立懸置系統的動力學分析模型,並運用adams軟體對液壓懸置元件及懸置系統進行了模擬計算,分析了模型參數對液壓懸置動特性的影響,並且與試驗結果作了比較分析,驗證了液壓懸置模型的正確性。
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