| http://www.w3.org/ns/prov#value | - Surprisingly, and contrary to the case of on???off keying, we find the NRZ pulse shape to be superior, compared with RZ, for duobinary transmission in all the cases that were studied, including systems that are limited by amplified-spontaneous-emission noise, fiber chromatic dispersion, and self-phase modulation. ?? 2007 IEEE PDF Article
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