Comparing with existing prime factor FFT algorithms, this algorithm saves about half of the storage and possesses a higher efficiency.

与现在的素因子fft算法相比较，这种算法不仅节省了约一半内存，而且有更高的计算效率。

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A prime factor DFT Algorithm for 840 Complex data is presented in this paper.

本文推导了840点素因数分解的离散傅里叶交换的算法。

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Based on the prime radix DFT and number theory, an algorithm using the second order recursive filter and the zero factor prime radix Fourier Transform (ZFT) is presented.

从素基数DFT出发，应用数论理论讨论了一种应用二阶递归滤波结构的算法及零因子转换算法(ZFT)。

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