Title :
Parameters estimation algorithm for the exponential signal by the interpolated all-phase DFT approach
Author :
Qian Wang ; Xiao Yan ; Kaiyu Qin
Author_Institution :
Sch. of Aeronaut. & Astronaut., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
Based on the interpolated all-phase DFT, a new parameters estimation algorithm for the exponential signal is presented. The proposed algorithm utilizes the all-phase preprocessing unit to construct a new signal sequence by continuously cycle shifting signal samples and summing up N buffered exponential signal sample sequences, and estimate the parameters of the exponential signal based on the interpolated DFT spectrum of the signal sequence generated by all-phase preprocessing. The simulation results verify the effectiveness of the proposed algorithm in terms of estimation accuracy.
Keywords :
discrete Fourier transforms; interpolation; parameter estimation; signal processing; N buffered exponential signal sample sequences; all-phase preprocessing unit; continuously cycle shifting signal samples; discrete Fourier transforms; estimation accuracy; interpolated all-phase DFT approach; parameter estimation algorithm; signal sequence construction; Algorithm design and analysis; Discrete Fourier transforms; Estimation; Interpolation; Parameter estimation; Signal processing algorithms; Vectors; Parameters estimation; all-phase preprocessing; exponential signal; interpolated discrete Fourier transform (DFT);
Conference_Titel :
Wavelet Active Media Technology and Information Processing (ICCWAMTIP), 2014 11th International Computer Conference on
Print_ISBN :
978-1-4799-7207-4
DOI :
10.1109/ICCWAMTIP.2014.7073356
