改进的傅立叶级数 improved Fourier series
多维傅立叶级数 multi-dimensional Fourier series
二重傅立叶级数 double fourier series
傅立叶[级数]展开 Fourier expansion
傅立叶级数 Fourier series; Fourier’s series; Forrier series; Fourier series methods; Fouries series; vibration; Fourier series model; fourie serial; series; Fourier
傅立叶级数法 Fourier series; Fourier expansion method
傅立叶级数及卷积 Fourier series and convolutions
傅立叶级数理论 Fourier series theory
傅立叶级数拟合法 fourier series fitting method
傅立叶级数与非周期交流电 fourier-expansion and aperiodic current
傅立叶级数展开 Fourier series expansion
快速傅立叶变换-傅立叶级数频谱细化 Fast Fourier Transform-Fourier Series spectral zooming
离散傅立叶级数之线性特性 linearity propety of discrete Fourier series
时变傅立叶级数 time-varying Fourier coefficients
变形分数傅立叶变换 Anamorphic fractional Fourier transform
不对称分数傅立叶变换 dissymmetrical fractional fourier transform
陈列合成之傅式级数展开法 Fourier series expansion syntheisis of array
分数傅立叶 Fractional Fourier transform
分数傅立叶变换 Fractional Fourier transform; the fractional Fourier transform; alvikite; accelerated speed; the fractional Fourier transform FrFT