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- twiddle factor FFT algorithm 旋转因子快速傅里叶变换算法
- The butterfly arithmetic structures of three kinds of Cooley-Tukey radix-4 FFT algorithm and the simple calculation formulas for their common factors ( p ) of twiddle factor indexes are derived. 推导出三种Cooley -Tukey基 4FFT算法的蝶算结构及旋转因子指数公因子 p的简单计算公式 ;可显著减少求 p值的次数及单次 p值的运算量 .
- TWIDDLE FACTOR MERGED TIME-DECIMAL FFT ALGORITHM AND THE SOFTWARE IMPLEMENTATION FOR TMFFT 时间抽取情况下的旋转因子合并FFT算法和TMFFT的软件实现
- A Flexible-Module-Prime Factor FFT Algorithm 一种灵活模块化的素因子分解FFT算法(PFA)
- Rms algorithm and FFT algorithm have been achieved. 实现了均方根算法和FFT算法。
- In this paper, a self-permuting in-place prime factor FFT parallel algorithm is presented, and its implementation on a YH computer is described. 本文提出一种自排序同址素因子FFT并行算法,并介绍了这种算法在银河(YH)机上的实现。
- In software algorithm, the Blackman window on FFT algorithm is used on the data processed.The precision of system is enhanced greatly especially in the power factor measurement. 在软件算法方面，使用了FFT谱分析法,结合Blackman窗对采集信号进行数据处理,大大提高了测试准确度,尤其提高了功率因数的计算准确度。
- The new algorithm eliminates the main error factor of interpolated FFT algorithm with Hanning-window and Adaline ANN algorithm, and therefore obviously improves the accuracy of harmonic analysis. 该算法消除了加海宁窗的FFT算法和Adaline ANN算法产生误差的主要因素,从而显著地提高了谐波分析的计算精度。
- Chen Tianxiang,Duan Jiandong,Zhang Baohui,et al.New emendatory FFT algorithm of measuring dielectric loss factor tan 6[J].Automation of Electric Power Systems,2005,29(15):58-62(in Chinese). [6]陈天翔;段建东;张保会;等.;用傅里叶变换测量介质损耗因数tan 6软件同步算法[J]
- Since the window function and the twiddle factor look-up table has been adopted, so the speed can also be, the initial value to the process through high-speed AD collected 20KHz sinusoidal signal. 由于窗函数和旋转因子通过查表得到，所以速度还可以，程序中给的初值是通过高速AD采集的20KHz正弦信号。计算结果与Matlab的FFT函数得到的结果相同。
- According to the low-complexity of R22SDF algorithm, a compatible FFT algorithm is proposed. 利用R22SDF算法的低复杂度的特点,在其基础上演变出一种通用的FFT算法。
- Estimation of electrical harmonic parameters by using the Interpolated FFT algorithm based on Blackman window. 基于Blackman窗函数的插值FFT在电网谐波信号分析中的应用
- An Extendible Look-Up Table of Twiddle Factors for FFT 可扩展的旋转因子表及FFT算法
- The new algorithm is non-iterative, and it needs the FFT algorithm and the inverse of little-size matrices. 不需要迭代，不需要预条件处理，计算过程中主要采用快速傅里叶变换及小矩阵求逆，计算效率高。
- storage of twiddle factor coefficients 旋转因子存储方案
- In this paper, the basic principle of decimation-in-frequnency radix-2 FFT algorithm is briefly presented. 介绍了频域抽取基二快速傅里叶运算的基本原理；
- Experimental results indicate that the optimized FFT algorithm has a high precision and efficiency. 实验结果表明优化后的FFT算法具有很高的精度和执行效率。
- FFT algorithm can be achieved, this procedure can be used after some modifications to achieve IFFT algorithm. 可以实现FFT的算法，可以用此程序经过部分修改实现IFFT算法。
- FFT algorithm has been developed to acquire high dynamic spread spectrum signals in spread spectrum RSP developed by BRIT. 讨论了采用FFT算法实现高动态扩频信号快捕的一种方法。
- In this thesis, basing on the FFT algorithm, a based-band OFDM system is analyzed, designed and simulated on a computer. 本文设计了一个基于FFT算法的OFDM系统，并在计算机上进行了仿真和分析。
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