[1] RIFE D C,VINCENT G A. Use of the discrete Fourier transform in the measurement of frequencies and levels of tones [J]. The Bell System Technical Journal, 1970,49(2): 197-228. doi:10. 1002/j. 1538-7305. 1970.tb01766.x.

[2] QUINN B G. Estimation of frequency, amplitude, and phase from the DFT of a time series[J]. IEEE Transactions on Signal Processing, 1997,45(3):814-817. doi:10. 1109/78.558515.

[3] MACLEOD M D. Fast nearly ML estimation of the parameters of real or complex single tones or resolved multiple tones [J]. IEEE Transactions on Signal Processing, 1998,46( 1): 141-148. doi:10. 1109/78.651200.

[4] CANDAN C. A method for fine resolution frequency estimation from three DFT samples[J]. IEEE Signal Processing Letters, 2011, 18(6):351-354. doi:10. 1109/LSP.2011.2136378.

[5] LIANG Xiaohu,LIU Aijun,PAN Xiaofei,et al. A new and accurate estimator with analytical expression for frequency estimation[J]. IEEE Communications Letters, 2016,20( 1): 105-108. doi:10. 1109/LCOMM.2015.2496149.