Titlebook: Digital Communication; Edward A. Lee,David G. Messerschmitt Book 1988 Kluwer Academic Publishers, Boston 1988 Adaptive Filter.Modulation.S

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Intersymbol Interferencethe channel dispersion. Unfortunately, any equalization of amplitude distortion also enhances or amplifies any noise introduced by the channel, called .. There is therefore a tradeoff between accurately minimizing intersymbol interference and minimizing the noise at the slicer input.

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Adaptive Equalizationsually have an infinite number of coefficients, and cannot be realized. Third, our optimizations did not take into account significant impairments such as timing jitter and timing offset, which must be considered in the design of receive filtering.

混沌

柔聲地說

conceal

進入

Stochastic Signal Processingd in the physical transmission media, is random or stochastic. Although these phenomena cannot be predicted in advance, they have certain predictable characteristics which can be summarized in the random process model. The design of a digital communication system heavily exploits these characteristi

Glucose

persistence

Physical Media and Channelsn system that we cannot change. Some channels are simply a physical medium, such as a wire pair or optical fiber. On the other hand, the radio channel is part of the electromagnetic spectrum, which is divided by government regulatory bodies into bandlimited radio channels that occupy disjoint freque

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拔出