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- High - Precision FFT Algorithm 高精度FFT算法
- 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。
- Rms algorithm and FFT algorithm have been achieved. 实现了均方根算法和FFT算法。
- 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。
- 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。
- The theory of FFT algorithm has being mature, however, how to realize by means is still worth discussing according to the requirement of high speed and real-time signal system. FFT算法理论已趋于成熟,但其具体实现方法却值得探讨。
- This paper is dedicated to the description of design and implementation of a high speed and real- time FFT processor with FPGA. Synchronously pipelined architecture which is based on FFT algorithm of Radix 2 is utilized to achieve high throughput. 本文在分析了基-2FFT算法的基础上,采用同步流水线结构,利用现场可编程门阵列(FPGA)完成256点16位复数点FFT。
- 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
- 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。
- 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;
- 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。
- 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。
- Harmonic analysis usually adopts FFT algorithm, the 280 Sample points need interpolation management, which make FFT faster. 谐波分析通常采用FFT算法,为了加快FFT的运算速度,需要对280个采样点进行插值处理。
- By dissolving Discrete Fourier Transform matrix and combining withthe FFT algorithm,this paper has put out a new method to compute DFT. 本文通过对离散富里叶变换(Discrete Fourier Transform,简记作DFT)矩阵的分解与FFT 算法相结合,提出了一个计算DFT 的新算法。
- By using a special complex number, a radix 6 FFT algorithm is developed, in which the component 6 point DFT?s do not require any multiplication. 使用非直角坐标系下特殊形式的复数系统 ;给出了一种基 6快速傅里叶变换算法 .;其中 6点离散傅里叶变换不需要实数乘法
- Thesimulating result shows that the interpolated FFT algorithm amending the result of the FFT algorithm,obviously improves the accuracy of the FFT. 仿真结果说明利用插值算法对快速傅立叶变换的结果进行修正,可以极大提高计算精度。
- Thesimulating result shows that the interpolated FFT algorithm amending the result of the FFT algorithm, obviously improves the accuracy of the FFT. 仿真结果说明利用插值算法对快速傅立叶变换的结果进行修正,可以极大提高计算精度。
- In this method, the peak of frequency is first detected by FFT algorithm, then a band-pass filtering and a quadrature transform are done. 该方案首先采用FFT检测频率峰值,然后进行带通滤波、正交变换。
- In accordance with boundary l ayer separation characteristic, FFT algorithm is adopted to the separation posit ion criterion. 根据边界层分离特性,采用FFT算法进行分离点位置判定;