［5］ Almeida L B. The fractional Fourier transform and time-frequency representation［J］. IEEE Transaction Signal Processing, 1994, 42(11): 3084-3091.
[4]
［8］ Ozaktas H M, Arikan O, Kutay A A, et al. Digital computation of the Fourier transform ［J］. IEEE Transaction Signal Processing, 1996, 44(9): 2141-2150.
[5]
［10］ Santhanam B, McClellan J H. The discreet rotational Fourier transform ［J］. IEEE Transaction Signal Processing, 1996, 44(4): 994-998.
[6]
［12］ Tang Q L, Yang L Q, Qin T F, et al. Energy-saving PPM schemes for WSNs ［J］. Science in China Series F: Information Science, 2008, 51(5): 571-585.
[7]
［13］ Zayed A I. A convolution and product theorem for he fractional Fourier transform ［J］. IEEE Signal Processing Letters, 1998, 5(4):101-103.
［6］ Pei S C, Yeh M H, Tseng C C. Discrete fractional Fourier transform based on orthogonal projections［J］. IEEE Transaction Signal Processing, 1999, 47(5): 1335-1348.
[11]
［7］ Candan C, Kutay M A, Ozaktas H M. The discrete fractional Fourier transform［J］. IEEE Transaction Signal Processing, 2000, 48(5): 1335-1348.
[12]
［9］ Pei S C, Ding J J. Closed-form discrete fractional and affine Fourier transform［J］. IEEE Transaction Signal Processing, 2000, 48(5): 1338-1353.
[13]
［11］ Massimiliano M M. A multicarrier system based on the fractional fourier transform for time-frequency-selective channels ［J］. IEEE Transaction on Communications, 2001, 49(6): 994-998.
