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The document discusses the raised cosine pulse, which overcomes practical difficulties with the ideal Nyquist channel. It has a flat frequency response between 0 and the Nyquist bandwidth W, and a rolloff portion with a sinusoidal form between W and the transmission bandwidth BT=W(1+α). The time response consists of a sinc function multiplied by a factor that decreases the tails below the ideal Nyquist pulse. Raising the rolloff factor α decreases intersymbol interference from timing errors. The full cosine
- Author
- Shantul Khandelwal
- Language
- EN