圓柱面 的英文怎麼說

中文拼音 [yuánzhùmiàn]
圓柱面 英文
cylinder face
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、形陣等簡單形式的相控陣天線,推導了平陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  2. Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created

    採用多解析度技術構造紋理無縫拼接圖,然後把三維網格模型投影到圓柱面上並展開,根據二維圖象變形技術中特徵點匹配演算法的數學思想,將匹配公式進行改進后應用於模型網格點的適配,在作了一定假設后推導出逆向映射的計算公式,再將適配后的網格映射回去,最後進行紋理映射生成真實感的特定人臉的三維模型。
  3. ( 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: ( 1 )分析了凹反射的焦散現象,給出了不同凹反射的焦散圖; ( 2 )分析了二維凹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錐曲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、橢圓柱面及雙曲反射的計算結果; ( 3 )分析了三維凹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反射波動場的計算結果剖圖。
  4. Their maximum and variance of beam pointing accuracy are much smaller than the results of round - off method. deficiently, only ordinary antennas are studied here, circular array and cylindrical array, for example. farther study about complex and anomalous conformal antennas is expected

    不過,本文中只對簡單形式的共形陣天線,如形陣、圓柱面陣天線進行了分析,復雜的不規則的共形陣天線的情況還有待于進行進一步的研究。
  5. As both the meshing point and ball ' s center are on the given cylinder, a general method for developing the cam ' s profile is studied. it is proved that the profile of positive and negative transmission is unique if the face gear, the difference between face tooth number and ball number and the diameter of ball are the same. the concrete expression of meshing cam on given spatial cycloid profile, and the characteristics of the profiles are discussed

    論文的主要工作包括: 1 、根據嚙合點和鋼球中心軌跡均在同一圓柱面上的特點,研究了給定端齒齒廓條件下求解凸輪齒廓的一般方法;論證了在給定端齒、齒差數和鋼球直徑相同的條件下,正負齒差嚙合齒廓的唯一性;討論了端齒為球擺線時,凸輪齒廓的具體表達式,並研究了該齒廓的性質。
  6. Distribution of charge and electric field on a conductive elliptic cylindrical

    導體橢圓柱面的電荷及場強的分佈
  7. Its fundamental is that the ray emitted from a focus ( front ) of elliptical will flock together on the other focus ( back ) by the reflection on the elliptical surface. we set a scatter aperture on the back focus

    圓柱面的前焦線上是射線源,晶體固定在一個橢基底上,其表構成一橢圓柱面, x射線經晶體衍射后會聚於後焦線上。
  8. The blueprints are all made by autocad and the installation is emulated by pro / e. in chapter 4 a math model of the pipe rupture valve for the hydraulic elevator system is built

    根據流場模擬的結果,設計了三角開口的閥芯,閥口由圓柱面切割而成,並進行了分析驗算。
  9. The static electricity field for two parallel cylinders with eccentric axes or separated, angular space, along with solution of the charged conductor of cylinder all can be explained by this kind of situation

    偏心圓柱面與分離圓柱面帶電導體的電場以及角形區域內的靜電場,還有帶電導體位於接地導體附近的靜電場的求解問題都屬于這種情形。
  10. The study shows that using a obtained from cylindrical surface of column can characterize the alloy steel samples, which have complicated phase structure

    研究表明,通過比較圓柱面法測得的相對衰減系數,能夠對具有多種相結構的較大尺寸合金鋼試樣進行超聲表徵。
  11. The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency

    在保證試樣形狀、尺寸、表光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下,利用棒材圓柱面測衰減系數法,分別測定並比較上述不同熱處理試樣相對衰減系數的變化情況,得到的實驗結果是:對於40cr及38crmoal鋼, _ (低溫回火) (淬火) _ (高溫回火) _ (正火) ;對于gcr15simn鋼, _ (低溫回火) _ (退火) _ (高溫回火) _ (正火) ;且隨著頻率的提高,衰減系數均呈現增加的趨勢。
  12. The strict solution of the eddy current distribution inside a conductor cylindrical boundary surface for quasi - state - state is obtained by derivation of maxwell ’ s equations ; meanwhile, the approximate solution of the eddy current and electromagnetic field in the condition of the low - frequency or the high - frequency are obtained. furthermore the penetration depth of the skin effect is achieved

    五、討論了似穩條件下導體圓柱面內的渦電流分佈的規律。我們採用條件下獲得的趨膚效應的穿透深度與採用平條件下獲得的趨膚效應的穿透深度相一致,我們的研究可視為對傳統教材相關論述的有益補充。
  13. Secondly, it realized the whole structure of francis turbine blade surface. thirdly, it accomplished the computation of blade incidence

    第三,針對水輪機葉片的特點,完成了各圓柱面葉柵進口安放角的求解演算法。
  14. We primarily do theses works : first, for the rtcvd equipment that we required has a big chamber, high working temperature and fast temperature ramp rate, the energy that required for the high temperature working conditions was computed ; then the reflector material and the shape of the reflector were chosen. through computer simulation we designed a reflector that can reflect the energy of each lamp individually through each half - cylindrical - face

    針對本課題要求的rtcvd設備的反應腔大、工作溫度高和升溫速度快的特點,首先對設備升溫條件進行能量計算;接著從反射腔材料選擇和形狀設計等方出發,利用計算機模擬最終設計出為每根燈管分別反射輻射能的圓柱面形反射罩。
  15. The least - squares fitting for regular surfaces, such as planes, spheres, cones, tori to 3d data points is researched. the efficiency of computing is improved greatly and the effect of singularities on fitting is avoided

    研究了規則曲的擬合演算法,給出最小二乘法擬合平、球圓柱面等規則曲的方法,這些方法的顯著優點是提高了計算效率,避免了擬合過程中奇異點的影響。
  16. Circular planing attachment

    圓柱面刨削裝置
  17. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中,假定放置式線圈是由無窮多個對稱環線圈密饒而成,首先求解含有有限長磁芯的通電對稱環線圈的電磁場:以有限長磁芯的側環線圈所在圓柱面為分界將場域劃分為三個小區域,由於場源放置在內邊界上,使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程,利用分離變量法求解,根據分界鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數,從而得到各場區矢量磁位的表達式。
  18. Abstract : the electric potential, electricity and capacitance of the combinatory cylindrical surface sensor have been discussed by solving electric potential lapalace " s equation of the sensor

    文摘:通過求解電勢的拉普拉斯方程,討論組合圓柱面電容中的電勢、電荷和電容
  19. Owing to the cylindrical surface of piston and jar hole, radial piston pump can be assembled accurately. compared with the axial piston pump, the radial piston pump is better against impact, moreover, it has longer life, higher cubage efficiency and higher control precision

    由於徑向塞泵具有塞與缸體內孔均為圓柱面,易達到高精度的配合等結構特點,因此,比軸向塞泵耐沖擊、壽命長、容積效率高、控制精度高。
  20. Cylindrical face milling cutter

    圓柱面銑刀
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