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addition formula in Chinese

Pronunciation:
How to pronounce "addition formula""addition formula" in a sentence

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  • 加法公式

Examples

  • We derive the addition formulas for sine and cosine from the arithmetic of complex numbers .
    用復(fù)數(shù)算術(shù)推導(dǎo)了正弦,余弦的加法公式。
  • Firstly , in spherical coordinate system , the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived , using reciprocity theorem and transforming relations between special functions . then , selecting appropriate coordinate system , using superposition principle , the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained . finally , by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1 , the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
    首先利用特殊函數(shù)間的轉(zhuǎn)化關(guān)系和互易定理推導(dǎo)得到了無限大導(dǎo)體空間中球坐標(biāo)下時諧電流元電磁場的二階矢量位形式:然后利用疊加原理,選擇合適坐標(biāo)系,求解了導(dǎo)體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最后依據(jù)不同坐標(biāo)系下電磁場解的轉(zhuǎn)化原理,借助勒讓德多項(xiàng)式和n次1階球諧函數(shù)的加法公式,將坐標(biāo)系特殊安放時的電磁場解析解變換到坐標(biāo)系一般安放時的解析解,給出了球內(nèi)電場和球外磁場的并矢格林函數(shù)。
  • The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial . the relations among the magnetic vector potential , the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one . it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
    利用坐標(biāo)旋轉(zhuǎn)后球坐標(biāo)變量間的關(guān)系和連帶勒讓德多項(xiàng)式的性質(zhì)推導(dǎo)得到了n次1階球諧函數(shù)的加法公式;以遞進(jìn)的方式說明磁矢量位、修正磁矢量位與二階矢量位的關(guān)系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標(biāo)系下電磁場解的相互轉(zhuǎn)化原理,給出了一個解析解的轉(zhuǎn)化例子;在球坐標(biāo)下,引入了較球矢量波函數(shù)更普遍的兩類矢量函數(shù),給出了其在球面上的正交關(guān)系。

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