文章详细信息 关键词： 傅里叶级数;;傅里叶系数;;傅里叶展开 [gap=281]Keywords: Fourier series;Fourier coefficient;Fourier expansion
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... Fourier decomposition 傅里叶分解,傅里叶分解 Fourier expand 傅里叶展开 Fourier expansion 傅里叶级数展开 ...
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fourier integral,fourier integral,傅里叶积分 fourier expansion,fourier expansion,傅里叶展开 fourier component,fourier component,傅里叶分量 ..
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在有限电导率光栅的微分理论中引入校正傅里叶展开方法，改善了计算收敛性。
In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.
采用傅里叶级数展开计算法、实现对电压、电流、功率因数和电量的测量和计算；
It uses Fourier series in expanding calculus, to achieve the measuring and calculation of volt, current, power factor and quantity of electricity.
研究表明，只要傅里叶级数项数不少于30，改进后的算法比直接用复高斯函数展开具有更高的计算精度。
It is shown that the improved algorithm provides more accurate calculation results than the complex Gaussian function expansion, so long as the number of Fourier series is no less than 30.
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