Title :
A new method for modulation type recognition based on the time frequency representations
Author :
Zhijin, Zhao ; Junna, Shang
Author_Institution :
Hangzhou Inst. of Electron. Eng., China
Abstract :
This paper studies the use of Wigner-Ville distribution (WVD) to distinguish FSK signal, PSK signal, FM signal and SSB signal. The approach is to use the WVD to extract the instantaneous frequency characteristics in a modulation signal. The simulations results verify that this method is effective and correct.
Keywords :
Wigner distribution; frequency modulation; frequency shift keying; phase shift keying; time-frequency analysis; FM signal; FSK signal; PSK signal; SSB signal; Wigner-Ville distribution; instantaneous frequency characteristics; modulation signal; modulation type recognition; time frequency representations; Amplitude modulation; Equations; Feature extraction; Frequency estimation; Frequency modulation; Frequency shift keying; Phase shift keying; Signal analysis; Smoothing methods; Time frequency analysis;
Conference_Titel :
Signal Processing, 2002 6th International Conference on
Print_ISBN :
0-7803-7488-6
DOI :
10.1109/ICOSP.2002.1181028
