橢球的 的英文怎麼說
中文拼音 [tuǒqiúde]
橢球的
英文
elliellipsoidal-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。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。Effective moduli of composites based on confocal ellipsoid model
基於共焦點橢球構型的復合材料有效性質預測Three dimensional ellipsoidal element dem model of nopd
的橢球狀散體元建模The locus e of points is an ellipsoid.
點的軌跡E是一個橢球。It may eliminate the influence of the earth's ellipticity.
可以消去地球橢率的影響。The moon doesn't describe a circle round the earth, but rather an ellipse.
月球繞地球運行的軌道不是渾圓的,而是橢圓的。The shape of a real 2p orbital is two separated, distorted ellipsoids.
實2p軌道的形狀是兩個分開的變形的橢球。In reality the earth is not exactly spherical but rather shaped somewhat like a flattened ellipsoid.
實際上地球不是精確的球形,而有點象一扁橢球。Design of ellipsoid surface ornament aluminum sheet
橢球面裝飾鋁板系統的設計Post - newton metric inside and outside a rotating oblate ellipsoid
后牛頓近似下旋轉橢球體的內外度規The locus e of points is an ellipsoid
點的軌跡e是一個橢球。The ellipsoidal inhomogeneity with imperfect interface
具有非完善界面的橢球夾雜問題The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong
這種混合優化演算法結合了共扼梯度法和最速下降法產生搜索方向,既提高了共扼梯度演算法的收斂速度,又解決了目標函數的等值線是扁長橢球時,最速下降法下降緩慢的問題,具有收斂速度快、收斂范圍大、適應面廣等特點。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。Based on the method expressing the positional uncertainty of point entities in surveying and mapping, uncertainty ellipse was employed to characterize the uncertainty region for the error dispersal of 2d target ' s position, and uncertainty ellipsoid for the 3d target. 1 - uncertainty ellipse was derived from positional error covariance
借鑒測繪學科中衡量點元位置不確定性的方法,分別用橢圓和橢球來表示二維目標和三維目標的位置誤差散布的不確定性區域。3. the solution for the distribution of potential internal the dielectric ellipsoid has been obtained by means of ellipsoidal coordinates, and has obtainted the expression of the polarization field strength in the dielectric ellipsoid, calculated the included angle value of polarization vector and the external field vector, making programe to compute to get the relation shetch between the included angle value of polarization vector and the external field vector and we have discussed the result and hold that the direction of polarization field strength with that of the external field don ’ t always strict antiparallel
二、討論了帶電粒子在均勻電磁場中的相對論運動規律。三、討論了在均勻電場中電介質橢球體的極化規律。證明了電介質橢球內的極化場強方向與外電場方向並非嚴格相反,只有當外電場與電介質橢球的某一主軸平行或者當橢球體三半軸的大小都相等時,極化場強方向與外電場方向才嚴格相反。The mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of
電光效應理論是從雙折射晶體的折射率橢球出發,分析外加調制電場通過晶體電光張量對折射率橢球的影響,從而分析電光效應的機理。Because of its own feature of the structure, ellipsoidal cavity has coupling microwave generated from one of the ellipsoidal center, and plasmas generated from the other ellipsoidal centre, so the plasmas is very centralize, so we can enlarge the area of disposition
橢球諧振腔因其結構的特點,可以滿足大功率的需求,並且耦合微波從橢球的一個球心發出,在橢球的另一個球心產生等離子體,等離子體比較集中,而且沉積速度快,適合大面積的沉積。2. we present a solution to the scattering of gaussian beams by a concentric multilayered non - confocal spheroidal particle by taking a concentric two - layered one as an example. because the boundaries of these two layers are connected with two different spheroidal coordinate systems, firstly, the electromagnetic fields between the inner and outer boundaries are expanded in terms of the spheroidal vector wave functions with reference to these two systems, and the electromagnetic fields within the inner boundary with reference to the system for it
2 .以雙層橢球為例,我們提出了一種研究同心非共焦多層橢球粒子散射的方法,首先把兩層橢球之間的電磁場用對應于兩個橢球坐標系的橢球矢量波函數展開,這兩個橢球坐標系分別與兩層橢球的邊界面相聯系,在每層橢球邊界面上分別應用邊界條件,建立關于各展開系數的方程組。分享友人