1. 中国科学院广州电子技术研究听
2. 中国科学院广州电子技术研究听 广州 510070
纸质出版:1992
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[1]王思雄,陈衍仪.基于富里哀变换的带限信号外推算法[J].电子学报,1992(12):75-78.
Wang Sixiong, Chen Yanyi. An Extrapolation Algorithm for Band-Limited Signals Based on Fourier Transform[J]. Acta Electronica Sinica, 1992, (12): 75-78.
本文提出一种直接基于富里哀变换的带限信号外推新算法: FFT迭代算法。它在外推性能和谱估值方面比以往的方法好。由于采用了FFT和收敛加速因子
它是一种实用的算法。数值例子表明
对有噪声数据而言
FFT迭代算法是一种有效的外推算法。
A new extrapolation algorithm for band-limited signals is proposed directly based on Fou-rier Transform. The iterative FFT algorithm can provide better extrapolation performance and more ac-curate spectral estimates than other developed algorithms for the band-limited signals with a smooth spec-trum. Since the powerful FFT technique and the convergence accelerating factor are used
the iterative FFT algorithm is more practical in the numerical implementation of the algorithm. The numerical exa-mples have shown that the iterative FFT algorithm is an efficient extrapolation algorithm for the noisy data.
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