橢球面 的英文怎麼說
中文拼音 [tuǒqiúmiàn]
橢球面
英文
ellipsoidal coordinates-
The interrelation between the signs of the birefringence in the planes of symmetry can be deduced from the index ellipsoid.
各對稱面的雙折射符號之間的相互關系,可以從標準橢球體推定。Design of ellipsoid surface ornament aluminum sheet
橢球面裝飾鋁板系統的設計The generation of tensor product surfaces of every kind of curves is straightforward ; these corresponding tensor product surfaces also contain many special surfaces, including spherical surface, ellipsoid, hyperboloid etc
對于每一類曲線作者均將它們直接推廣到張量積曲面,這些曲面可以精確表示球面、橢球面、雙曲面等二次曲面。A projection is defined as any orderly system whereby the meridians and parallels of the spheroid may be represented on a plane.
投影是一種有規律的方法,用來把橢球面上的子午圈和平行圈映射在一個平面上。The point blast induced spherical wave is the especial instance of the ellipsoid shock wave. at last, the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means
最後,設計應用聲學方法對酒精中產生的激光等離子體沖擊波波前傳播過程進行測試,對兩個不同方向上激光等離子體沖擊波波前測試數據的分析表明,旋轉橢球面的沖擊波模型與實驗測量結果相吻合。Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air
其次,從空氣中激光等離子體沖擊波波前的傳輸特性出發,將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況,提出旋轉橢球面沖擊波前傳播公式;建立水中的激光等離子體沖擊波波前衰減傳播模型。Establishment of another form of geodesic coordinate system on earth ellipsoid
地球橢球面上另一種形式的測地坐標系的建立After the comparing the simulation results with the theoretic results under the three followed condition : a point light source on the parabola reflector focus, a point light on the ellipsoid reflector focus and a point light source before the parabola reflector focus, a conclusion is gotten that the two results are generally accordant, the accuracy of the simulation software reach the engineering requirements and the computational simulation software of photometric characteristics of headlamp of motor vehicles can guide the design of the headlamp reflectors
比較了點光源位於拋物面反射器和橢球面反射器焦點的情況和點光源偏離拋物面焦點的情況下照度的理論計算結果和採用本文的照度模擬計算結果,其模擬計算結果和理論計算結果基本相符,能滿足工程上的要求,說明模擬計算軟體對前照燈的反射鏡的設計具有很好的指導意義。To eliminate or lessen the system errors caused by the offset and slope of the thin aluminum sheet when measuring its surface, and to avoid over - cutting while machining the honeycomb surface, the saddle - point programming is applied to the position optimization of the theoretical surface. to generate the cnc program of the honeycomb sandwich, the equidistant calculation of the actual surface is produced and the data processing software is developed
利用鞍點規劃方法優化理論橢球面的位置,使實測曲面相對理論橢球面的最大法向誤差達到最小,減少或消除了蒙皮內表面測量時由於定位的偏心或歪斜引起的系統誤差,使誤差均化,防止了配對加工蜂窩夾芯表面時少切或過切現象的發生。Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied
根據杭州大劇院剛性模型風洞試驗的風壓數據,對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。The distribution of mean wind pressure is analyzed and compared with the distribution on similar structural surface. through summarizing the rules for wind direction affection on wind pressures distribution, the most dangerous wind directions are gotten
分析了平均風壓的分佈情況,並將其與相近結構表面的風壓分佈進行了比較;通過總結平均風壓隨風向角的變化規律,得出橢球面屋蓋和圓錐面幕墻最不利風向角。The finite element model of hangzhou grand theater ' s structure is built up. through the modal analysis on the model, the structure and structural natural vibration characteristics are presented along with the key elements " influence on the natural vibration characteristics
根據杭州大劇院實際結構參數,建立了大跨橢球面屋蓋和圓錐面幕墻組合結構的有限元模型,分析了自振特性以及關鍵桿件對自振特性的影響。To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface
以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換,利用理論橢球面的誤差曲面建立了實測曲面的數學模型,通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。As the inner shape of the thin aluminum alloy sheets will deform and differ from the theoretical ellipsoid to some extent after welding processing, it is very difficult to meet the requirements of the tolerance between the honeycomb sandwich and thin aluminum sheets when only conventional cnc and traditional manual manufacturing techniques are used
由於上、下底蒙皮焊接成型過程中的變形使其內表面形狀相對于理論橢球面具有較大的誤差,採用常規的橢球面數控加工方法,或傳統的按上底蒙皮內表面手工打磨、研合修配方法加工蜂窩夾芯表面無法保證配合精度要求。Through the area calculation on the sphere, ellipsoid and plane, this paper obtains the scope of solving the problem by using the plane replacing the ellipsoid and the applicability of calculating the area of the sphere
通過在球面上、橢球面上及在平面上面積的計算,得出了採用平面代替橢球面來解決問題的范圍以及在球面上計算面積的適用范圍。The sixth chapter discusses the method for space transformation, which considers the curvature of the earth surface. the author first demonstrates that it is necessary to use ellipsoidal model for the system and educes the transform formula
第六章討論了考慮到地球曲率情況下的精確空間對齊問題。這一章中首先論證了應用大地橢球模型的必要性,然後推導出橢球面上的局部坐標間的坐標轉換公式。Ellipsoidal wave function
橢球面波函數Isoperimetric inequality for sphere and ellipsoid is discussed, and the isoperimetric inequality of some region satisfying certain conditions is given
摘要討論球面和橢球面上的等周不等式,並給出了球面與橢球面上滿足一定條件的區域的等周不等式。Stress ellipsoid is often used to describe the variation scope of stress state
全應力的變化范圍常用應力橢球方程和應力橢球面來描述。Relevant problems for ellipsoidal surface is studied, and several important propositions and deduction are obtained
摘要對有關橢球面的軌跡問題作了研究,得出了兩個重要的定理。分享友人