Robust FM demodulation of discrete-time signals using least squares differential ratio

Electronics Letters

Volumn 43, Issue 13, 2007, Pages 727-729

  Epps, J ^a   Ambikairajah, E ^b   Thiruvaran, T ^b  

^a Division of Engineering Science and Technology   (Singapore)

^b UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

DEMODULATION; FREQUENCY ESTIMATION; HILBERT SPACES; LEAST SQUARES APPROXIMATIONS; MATHEMATICAL TRANSFORMATIONS; ROBUST CONTROL; SIGNAL ANALYSIS; SIGNAL TO NOISE RATIO;

DISCRETE ENERGY SEPARATION (DESA); HILBERT TRANSFORMS; LEAST SQUARES DIFFERENTIAL RATIO;

DISCRETE TIME CONTROL SYSTEMS;

EID: 34250736853     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20070969     Document Type: Article

References (6)

1. Oppenheim, A.V., and Schafer, R.W.: ' Discrete-time signal processing ', (Prentice-Hall, Englewood Cliffs, NJ, 1989)
2. Maragos, P., Kaiser, J.F., and Quatieri, T.F.: ' Energy separation in signal modulations with application to speech analysis ', IEEE Trans. Signal Process., 1993, 41, (10), p. 3024-3051 10.1109/78.277799 1053-587X
3. Dimitriadis, D., Maragos, P., and Potamianos, A.: ' Robust AM-FM features for speech recognition ', IEEE Signal Process. Lett., 2005, 12, (9), p. 621-624 10.1109/LSP.2005.853050 1070-9908
4. Potamianos, A., and Maragos, P.: ' A comparison of the energy operator and the Hilbert transform approach to signal and speech demodulation ', Signal Process., 1994, 37, p. 95-120 10.1016/0165-1684(94)90169-4 0165-1684
5. Thiruvaran, T., Ambikairajah, E., and Epps, J.: ' Speaker identification using FM features ', Proc. 11th Conf. on Speech Science and Technology, Auckland, New Zealand, 2006
6. Shekel, J.: ' Instantaneous frequency ', Proc. IRE, 1953, 41, p. 548