Inspec keywords: maximum likelihood estimation; speech processing; direction-of-arrival estimation; Gaussian noise; phase modulation; fading channels; iterative methods; frequency modulation; signal classification; array signal processing

Other keywords: composite FM-PM speech signal; power spectral density; flat fading channel; direction of arrival estimation; Gaussian noise; sensor arrays; iterative algorithm; automatic modulation classification; maximum likelihood approach

Subjects: Interpolation and function approximation (numerical analysis); Radio links and equipment; Speech processing techniques; Other topics in statistics; Modulation and coding methods; Interpolation and function approximation (numerical analysis); Speech and audio signal processing; Other topics in statistics