7COOLEY J W,TUKEY J W. An algorithm for the machine cal-culation of complex Fourier series[J].Mathematics of Computa-tion,1965,(90):297-301.
8GENTLEMAN W M,SANDE G. Fast Fourier transforms:for fun and profit[A].San Francisco,California:ACM,1966.563-578.
9RIFE D C,VINCENT G A. Use of the discrete Fourier trans-form in the measurement of frequencies and levels of tones[J].{H}Bell System Technical Journal,1970,(02):197-228.
10GOOD I J. The interaction algorithm and practical Fourier analy-sis[J].Journal of the Royal Statistical Society Series B(Meth-odological),1958,(02):361-372.
