Sumários
Discrete Fourier transform
18 abril 2017, 09:30 • Jorge Salvador Marques
Linear and circular convolution. When do they give the same result? Exercises.
Linear filtering of short signals using the DFT. Linear filtering of long signals using the DFT. The overlap-add method.
Lab 3
7 abril 2017, 12:30 • Margarida Silveira
Analysys of nonstationary signals.
Short Time Fourier Transform.
Discrete Fourier transform
6 abril 2017, 11:00 • Jorge Salvador Marques
Circular convolution property. Linear and circular convolution. The effect of the length N. Exercises.
Lab 3
5 abril 2017, 12:30 • Margarida Silveira
Analysys of nonstationary signals.
Short Time Fourier Transform.