錐體基礎 的英文怎麼說
中文拼音 [zhuītǐjīchǔ]
錐體基礎
英文
sloped footing-
With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。The glint suppression using high resolution range profile under conical angle measurement is studied, the angle information in signal components of scatters are extracted and averaged to suppress the glint. nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking
研究了圓錐掃描測角體制下基於距離高分辨的角閃爍抑制方法，利用距離維高分辨像，提取強散射中心反射信號分量，在此基礎上估計出各個強散射中心的角度測量值，採用平均方法減少角閃爍對測角的影響。On the base of deducing meshing theory, by simplifying the parameters and using software, the 3d model of the rolling cone - type toroidal drive is given. and the parametric models are realized. the assemble chart of drive is given
在嚙合理論推導的基礎上，通過對滾錐齒超環面行星蝸桿傳動的各參數進行簡化處理，利用計算機軟體對滾錐齒超環面行星蝸桿傳動進行了三維實體參數化建模，實現了模型的參數化，給出了該傳動的裝配圖，並進行了動態模擬。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上，利用fourier光學成像理論，討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響，導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數，得到了它們在不同激發波長與熒光波長比值時具體的表達式，並且通過數值計算，得到了它們的曲線圖，結果表明：隨著激發波長與熒光波長比值的增加，焦斑的橫向分佈和縱向分佈變窄，橫向解析度和縱向解析度提高，系統的成像效果變好，當激發波長與熒光波長的比值下降到一定程度時，可以看到不同程度的失錐現象。In the solid model building program, based on the cutting tooth theory of double circular arc profile spiral bevel gear and autocad software, a series of computer simulations about solid model building and cutting tooth process of the gear were curried out. the cutter ' s tooth shape, the processed gear blank shape and its conjugated tooth profile shape as well as visual movement relationship between generating gear and processed gear blank etc. were obtained. the relative position of cutter and processed gear as well as the movement trace and rule in the cutting process can be showed dynamically on screen
在實體建模程序中，以雙圓弧弧齒錐齒輪的加工原理為基礎，藉助繪圖軟體autocad ，模擬了雙圓弧弧齒錐齒輪銑刀盤刀齒形狀、輪齒毛坯形狀等，進而根據產形輪與被加工齒坯之間的共軛嚙合關系，進行了雙圓弧弧齒錐齒輪的實體建模及加工過程模擬，在屏幕上動態顯示刀具及被加工齒輪的相對位置及其加工時的運動軌跡和規律。Abstract : on the base of the analysis of kinematics and dynamics f or i ntroduced some types of cone crushers, this paper constructs the dynamics models with the fin ite element method on the main components of the cone crushers, such as main shaf t, moving cone and offcentering axial bushing. according to the characters of the load, the paper simplifies and counts the external loads. then using the software of ansys and employing the elements of high accurate three dimension block, the paper analyzes the strength and rigidity of the finite element method and a ttains valuable results
文摘:在對引進的某型圓錐破碎機的運動學及動力學分析的基礎上，建立了該破碎機主要部件主軸、動錐及偏心軸套的有限元分析模型.根據載荷特點，簡化並計算了外載荷.應用ansys軟體，選用精度較高的三維塊單元，對其進行了有限元分析，得出了具有參考價值的計算結果The green ' s function of infinite and half - infinite space, the solutions of a cone under concentrated loads at its apex, and rotating circular and annular plate of magnetoelectroelastic medium are obtained by use of these solutions and given boundary conditions
在此基礎上，由平衡問題的一般解和邊界條件，得到了磁電彈性介質無限空間和半空間的green函數解、圓錐體頂端受集中荷載作用的解析解、旋轉圓盤和圓環的三維解析解。4. conclude and verify detailedly attitude algorithm and conical scan control algorithm in process of initial alignment. on the base of static initial alignment technology, reach the dynamic initial alignment technology used on moving carrier
四、對在初始對準中採用的姿態解算和圓錐掃描控制演算法進行了詳細的理論推導和模擬驗證，然後在靜態初始對準的基礎上，引出了用於載體移動過程中的動態初始對準。Second, based on works mentioned above, an interactive graphic system, i. e. an interactive parametric three - dimensional model - building software about double circular arc profile bevel gear were established according to computer graphics, c language, vc + + language, autolisp programmed and cad technology, in which, language c completed complicated calculation, autolisp language finished model - building, vc + + language accomplished the generation of program interface
在上述工作的基礎上，綜合應用計算機圖形學理論、 c語言、 vc + +語言、 autolisp編程以及cad技術，編制了一互動式圖形系統和雙圓弧弧齒錐齒輪的三維建模軟體。其中， c語言是計算部分， autolisp語言是模型建立部分， vc + +語言完成程序界面的生成。Taking the meshing theory of conjugate curved surface as a foundation, utilizing array method of rotation transformation of vector, the meshing equation and contour surface equation of conical cam mechanism with swinging conical roller follower were analyzed and derived, and the calculation formula of pressure angle and synthetic curvature of the mechanism was presented, thus laid a solid theoretical foundation for enhancing the machining accuracy of conical cam, improving its processing method and achieved the integration of cam cad / cam
摘要以共軛曲面嚙合理論為基礎，運用矢量的旋轉變換矩陣法，分析並推導了圓錐滾子擺動從動件圓錐凸輪機構的嚙合方程和廓面方程，並給出了機構的壓力角和綜合曲率的計算公式，為圓錐凸輪加工精度的提高，改進其加工方法，實現凸輪cad / cam一體化奠定了堅實的理論基礎。The soldiers, who are the largest number, form the lowest plane and the base of the cone
人數最多的士兵組成圓錐體的底部和它的基礎。分享友人