Sumários

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28 Setembro 2021, 16:00 Rita Sousa


Introduction to linear time invariant systems. Filters and filtering. Transfer function, amplitude and delay responses. Butterworth and Bessel filters. Fast Fourier transform and transfer function. Introduction to development of a simulator emulating the filtering of an NRZ signal by a Bessel or a Butterworth filter.

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28 Setembro 2021, 14:30 Rita Sousa


Generation of digital signals by simulation. Example 1: generation and analysis of sinus wave. Example 2: generation and analysis of NRZ signal.

Aula 2

21 Setembro 2021, 16:00 Rita Sousa


Continuous vs discrete signal waveform representation. Time and frequency representation of digital signals. Generation of digital signals by simulation.

Aula 1

21 Setembro 2021, 14:30 Rita Sousa


Simulation of communication systems: objectives, motivation and basic concepts. Time and frequency basis. Sampling theorem.