Semana Nome Descrição
Ficha da unidade UC info
Sumários Sumários SIGARRA
30 de setembro - 6 de outubro Ficheiro Review: the Z-Transform
Ficheiro Review: the Discrete Fourier Transform (DFT)
Ficheiro Review: the Fast Fourier Transform (FFT)
7 de outubro - 13 de outubro Ficheiro A review of discrete-time random processes
Ficheiro A representation of the subbands of the DFT (when looked at as a filter bank)
21 de outubro - 27 de outubro Ficheiro slides on Spectrum estimation
28 de outubro - 3 de novembro Ficheiro Results of first Quiz
Ficheiro Home Assignment (to be handed-in by November 15)
Ficheiro Matlab scripts required for this home assignment
4 de novembro - 10 de novembro Ficheiro Filtragem adaptativa numa perspetiva prática
11 de novembro - 17 de novembro Ficheiro OFDM assignment - description
Ficheiro OFDM assignment - captured data
Ficheiro OFDM assignment - start and ending chirps
18 de novembro - 24 de novembro Ficheiro SONAR assignment - description
25 de novembro - 1 de dezembro Ficheiro SAS assignment - description
Ficheiro SAS assignment - captured data
2 de dezembro - 8 de dezembro Ficheiro rec_B022_01

First audio file recorded during class corresponding to the synthetic aperture sonar experiment performed with the following parameters: sampling frequency: 44100 Hz; transmitted signal: upward chirp of 400 samples, with a bandwidth of 8 kHz and shaped with both a Kaiser window (parameter equal to 3.5) and a Turkey window (parameter equal to 0.05); PRF: 15 Hz; carrier frequency: 10 kHz; synthetic aperture length: approximately 2.8 m.
Ficheiro rec_B022_02

Second audio file recorded during class corresponding to the synthetic aperture sonar experiment performed with the following parameters: sampling frequency: 44100 Hz; transmitted signal: upward chirp of 400 samples, with a bandwidth of 8 kHz and shaped with both a Kaiser window (parameter equal to 3.5) and a Turkey window (parameter equal to 0.05); PRF: 15 Hz; carrier frequency: 10 kHz; synthetic aperture length: approximately 2.8 m.
Ficheiro rec_B022_target

Target area image of the synthetic aperture sonar experiment performed during class with the following parameters: sampling frequency: 44100 Hz; transmitted signal: upward chirp of 400 samples, with a bandwidth of 8 kHz and shaped with both a Kaiser window (parameter equal to 3.5) and a Turkey window (parameter equal to 0.05); PRF: 15 Hz; carrier frequency: 10 kHz; synthetic aperture length: approximately 2.8 m.
Ficheiro Final Assessment Results (v10Feb2025)