Analysis of frequency modulated signals in multiplicative noise

Author

Barkat, B.

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore

Volume

2

fYear

2001

fDate

2001

Firstpage

753

Abstract

We address the problem of analysing nonlinear frequency modulated (FM) signals in the presence of complex circular Gaussian multiplicative and additive noise processes. In particular, we consider the estimation of the instantaneous frequency of these signals using the peak of the polynomial Wigner-Ville distribution. We derive the bias and the variance of this estimator. We show that for the case of polynomial FM signals, the present results reduce to those obtained when a different method (see Barkat, B., Proc. of the Inter. Conf. on Acou. Speech and Signal Processing, 2001) was used in the derivations

Keywords

Gaussian noise; Wigner distribution; frequency estimation; frequency modulation; polynomials; signal processing; complex circular Gaussian additive noise; complex circular Gaussian multiplicative noise; frequency estimation; frequency modulated signals; multiplicative noise; nonlinear FM signals; polynomial Wigner-Ville distribution; Amplitude modulation; Chirp modulation; Displays; Frequency estimation; Frequency modulation; Gaussian noise; Polynomials; Signal analysis; Signal processing; Time frequency analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing and its Applications, Sixth International, Symposium on. 2001

Conference_Location

Kuala Lumpur

Print_ISBN

0-7803-6703-0

Type

conf

DOI

10.1109/ISSPA.2001.950263

Filename

950263