Semaine Nom Description
SIGARRA Course Info UC info
SIGARRA Summaries Sumários SIGARRA
30 septembre - 6 octobre Fichier Review: the Z-Transform
Fichier Review: the Discrete Fourier Transform (DFT)
Fichier Review: the Fast Fourier Transform (FFT)
7 octobre - 13 octobre Fichier A review of discrete-time random processes
Fichier A representation of the subbands of the DFT (when looked at as a filter bank)
21 octobre - 27 octobre Fichier slides on Spectrum estimation
28 octobre - 3 novembre Fichier Results of first Quiz
Fichier Home Assignment (to be handed-in by November 15)
Fichier Matlab scripts required for this home assignment
4 novembre - 10 novembre Fichier Filtragem adaptativa numa perspetiva prática
11 novembre - 17 novembre Fichier OFDM assignment - description
Fichier OFDM assignment - captured data
Fichier OFDM assignment - start and ending chirps
18 novembre - 24 novembre Fichier SONAR assignment - description
25 novembre - 1 décembre Fichier SAS assignment - description
Fichier SAS assignment - captured data
2 décembre - 8 décembre Fichier 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.
Fichier 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.
Fichier 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.
Fichier Final Assessment Results (v10Feb2025)