In 1965, Cooley and Tukey demonstrated that the discrete Fourier transform (DFT) can be computed using the fast Fourier transform (FFT) algorithm with reduced computational complexity. When the input vector to the FFT contains mostly zeros (i.e., is sparse), it is possible to realize ...
关键词: computational complexity fast Fourier transforms computational complexity fast Fourier transform sliding FFT Circuits Computational complexity Digital signal processing Discrete Fourier transforms Fast Fourier transforms DOI: 10.1109/82.208583 被引量: 86 ...
Guo Z, Liu Q, Zhang W, Wang S (2020) Low complexity implementation of Universal filtered Multi-carrier Transmitter. IEEE Access 8:24799–24807 Article Google Scholar Kumar A, Kumar A, Devrari A (2021) Hardware chip performance analysis of different FFT architecture. Int J Electron 108(7)...
1.The algorithm needn t calculate the eigenvalues of the r-circulant matrices, and the computation time complexity of the algorithm is O(nlog_2n) by using FFT.若用FFT计算,其计算复杂性为O(nlog2n)。 2.Their computation time complexity are O(mn log 2 mn ).利用快速傅里叶变换 (FFT)技术 ...
Complexity of Barrett’s algorithm 2.4.2 Montgomery's multiplication Subquadratic Montgomery reduction 2.4.3 McLaughlin's algorithm 2.4.4 Special moduli 2.5 Modular division and inversion 2.5.1 Several inversions at once 2.6 Modular exponentiation ...
Ground Truth Interpretability Linear Model Linear Regression Long Short-Term Memory (LSTM) Networks Machine Learning Machine Learning Models Manufacturing Analytics MATLAB vs. R MLOps Monte Carlo Simulation Multivariate Analysis of Variance (MANOVA) ...
Since the time of Abbe, the complexity of optical systems has increased considerably, and the level of knowledge about them has improved a great deal. In computational microscopy systems, the use of laser or LED light sources makes it necessary to consider the questions of coherence [154, 155...
Complexity theory provides a mathematical framework in which computational problems are studied so that they can be classified as "easy" or "hard". In this chapter we will describe the main points of such a theory. A more rigorous presentation can be found in the fundamental book of Garey &...
摘要: The order of the computational complexity of the EMD is equivalent to FFT.Optimized program is proposed to speed up the computation of EMD up to 1000 times.Fast HHT with optimized EMD/EEMD algorithm can operate in real-time.关键词:...
its complexity is O(nlog2n),Fanally, numerical examples show the effectiveness of this algorithm. 借助快速付立叶变换(FFT),本文给出一种求n阶鳞状因子循环矩阵的逆阵、自反g-逆、群逆、Moore-Penrose逆的快速算法,该算法的计算复杂性为O(nlog2n),最后给出的两个数值算例表明了该算法的有效性。 3....