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Recognition of narrowband radio signals using autoregressive models and pattern comparison approach

Łopatka J.

Journal of Telecommunications and Information Technology

2002

nr 1

56-59

This paper presents an improved spectral recognition method for digitally modulated radio signals. It is based on a signal autoregressive (AR) model. Model poles are used as signal features for neural network based on recognition process. To reduce an influence of the signal noise and distortions introduced by the digital receiver, a nonlinear Z plane transformation is proposed.