Aimed at the less detection precision and the more errors arising from the common electric parameter detecting method, this paper proposes a synchronous sampling method and radix 2 FFT algorithm.
针对普通电参数检测方法检测精度低、误差大的缺点,提出了一种同步采样法和基2FFT算法。
Based on the analysis of the complexity and hardware architecture of FFT, the proposed processor adopts radix-4 DIF algorithm, pipelined architecture and fixed-point operation.
在分析了FFT算法的复杂度和硬件实现结构的基础上,处理器采用了按频率抽取的基- 4算法,分级流水线以及定点运算结构。
This design adopts the algorithm of radix-4 and decimation-in-time (DIT) to devise a real-time FFT hardware processor with practicality.
设计采用基4算法设计了一个具有实用价值的FFT实时硬件处理器。
The decimation in time (DIT) radix-2 FFT algorithm is analyzed in details with input in normal order and output in bit-reversed order by the binary method.
运用二进制方法对按时间抽取顺序输入倒序输出的基2FFT算法进行了较为详细的分析和论证。
This paper studies the parallelism of the different stages of decimation in time radix 2 FFT algorithm, designs the butterfly and scramble kernels and implements 2d FFT on GPU.
本文研究了基2的时域抽取快速傅立叶变换各阶段的并行性,并据此设计了相应的蝶形和倒序运算核,在GPU上实现了二维fft运算。
This FFT algorithm can be used with arbitrary integer dimensions. For 1-dimension, the algorithm will be simplified as the well-known DIF vector radix 2 FFT.
该FFT算法适合于维数为任意整数的情况,当维数为1时,算法退化为著名的频域抽取向量基2 FFT算法。
The comparison results show that, compared with multi-dimensional separable FFT, the DIF multi-dimensional vector radix FFT algorithm has lower calculation load.
计算量比较结果显示,频域抽取多维向量基FFT算法比多维分离式FFT算法计算量低。
The comparison results show that, compared with multi-dimensional separable FFT, the DIF multi-dimensional vector radix FFT algorithm has lower calculation load.
计算量比较结果显示,频域抽取多维向量基FFT算法比多维分离式FFT算法计算量低。
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