Spectrum equalization employing reshaping filter to improve ask signal quality in combined FSK/ASK modulation scheme

• Autores: P. M. Monteiro, F. da Rocha, Tiago Silveira, J. L. Pinto, Ana Ferreira, A. L. J. Teixeira, P. S. André
• Localización: Microwave and optical technology letters, ISSN 0895-2477, Vol. 48, Nº. 11, 2006, págs. 2208-2210
• Idioma: inglés
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• Resumen

  • A simple, economical, and applicable spectrum equalization method is implemented by employing a reshaping filter combined in frequency-shift-keying/amplitude-shift-keying modulation scheme, to improve the quality of amplitude-shift-keying optical signal. 2.39 dB improvement of Q factor is experimentally demonstrated.