The theory of multiple input-output frequency response functions estimation is studied based on the finite Fourier transform.
以有限富氏变换为基础，研究多输入-多输出频响函数估计的一般原理。
We have showed that the Radon transform of the cross Wigner distribution function is a separable multiplication of fractional Fourier transform of these functions.
分析了交叉魏格纳分布函数中的拉冬变换是这些函数中分数傅里叶变换的可分乘法。
The Green's functions for electric and magnetic vector potentials in a sectoral wave guide and its cavity are derivated by using the separation of variables, Fourier transform and residue theory.
文中介绍了扇面直波导及其腔体中电矢量位和磁矢量位的格林函数，采用分离变量法、傅里叶变换法和留数定理导出了格林函数的具体表达式。
It is an approximate algorithm of continuous Fourier transform in which some approaching functions of segments are approximately used instead of continuous functions.
它是一种用分段逼近函数近似代替连续函数，作连续傅氏变换的近似算法。
He not only discussed the definition, property and the engine functions of the fractional Fourier transform, but also successfully applied the FRT to deal with many quantum mechanics problems.
它不仅对于分数傅里叶变换定义、性质和变换的本征函数进行了系统的讨论，而且成功用以处理诸多量子力学问题。
He not only discussed the definition, property and the engine functions of the fractional Fourier transform, but also successfully applied the FRT to deal with many quantum mechanics problems.
它不仅对于分数傅里叶变换定义、性质和变换的本征函数进行了系统的讨论，而且成功用以处理诸多量子力学问题。
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