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 radix2 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2 FFT算法。
2
The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).
核心模块快速傅立叶逆变换（IFFT）采用基于16位定点运算的基-2时间抽取算法和流水线结构。
3
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.