Improvement of Amplitude-Shift-Keying Signal Quality by Employing an Effective Spectrum Equalization Method in a Combined FSK/ASK Modulation Scheme
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Abstract
A simple, economical and applicable spectrum equalization method is implemented by employing a reshaping filter in the combined frequency-shift-keying/amplitude-shift-keying modulation scheme to improve the quality of amplitude-shift-keying optical signal. The 3-dB improvement for eye diagram height is experimentally demonstrated.
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XIN Xiang-Jun, P. S. André, A. L. J. Teixeira, YU Chong-Xiu, Ana Ferreira, Tiago Silveira, P. M. Monteiro, F. da Rocha, J. L. Pinto. Improvement of Amplitude-Shift-Keying Signal Quality by Employing an Effective Spectrum Equalization Method in a Combined FSK/ASK Modulation Scheme[J]. Chin. Phys. Lett., 2005, 22(8): 1948-1950.
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XIN Xiang-Jun, P. S. André, A. L. J. Teixeira, YU Chong-Xiu, Ana Ferreira, Tiago Silveira, P. M. Monteiro, F. da Rocha, J. L. Pinto. Improvement of Amplitude-Shift-Keying Signal Quality by Employing an Effective Spectrum Equalization Method in a Combined FSK/ASK Modulation Scheme[J]. Chin. Phys. Lett., 2005, 22(8): 1948-1950.
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XIN Xiang-Jun, P. S. André, A. L. J. Teixeira, YU Chong-Xiu, Ana Ferreira, Tiago Silveira, P. M. Monteiro, F. da Rocha, J. L. Pinto. Improvement of Amplitude-Shift-Keying Signal Quality by Employing an Effective Spectrum Equalization Method in a Combined FSK/ASK Modulation Scheme[J]. Chin. Phys. Lett., 2005, 22(8): 1948-1950.
|
XIN Xiang-Jun, P. S. André, A. L. J. Teixeira, YU Chong-Xiu, Ana Ferreira, Tiago Silveira, P. M. Monteiro, F. da Rocha, J. L. Pinto. Improvement of Amplitude-Shift-Keying Signal Quality by Employing an Effective Spectrum Equalization Method in a Combined FSK/ASK Modulation Scheme[J]. Chin. Phys. Lett., 2005, 22(8): 1948-1950.
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