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Tehnici de modulaţii (TM)

Tematica lucrărilor de laborator:

Arhivă:

  1. Laborator 1. / Laboratory work 1.

    2. Recapitulare notiuni de teoria semnalelor. (ROM)Logo_PDF
    Basic notions of signals' theory. Revision. (ENG)
  2. Laborator 2. / Laboratory work 2.

    3. Modulatii liniare. Modulare. Spectru. Demodulare. Recuperarea purtatorului. Performante de SNR. (ROM) Logo_PDFLogo_PDF
    Linear Modulations. Modulatio.Spectral composition.Demodulation. Carrier recovery. SNR performances. (ENG)

    Probleme propuse ML

  3. Laborator 3. / Laboratory work 3.

    4. Modulatia în frecventa. Modulare (metoda lui Armstrong). Demodulare. Performante de SNR. (ROM)Logo_PDF
    Frequency Modulation. Modulation (Armstrong's method). Demodulation. SNR performances. (ENG)

    Probleme propuse MF

  4. Laborator 4. / Laboratory work 4.

    5. Test laborator ML+MF. Coduri banda de baza. Tipuri. Analiza spectrala. (ROM)Logo_PDF
    Laboratory test LM+FM. Base-band codes. Types. Spectral analysis. (ENG)
  5. Laborator 5. / Laboratory work 5.

    6. Coduri banda de baza. Codare-decodare. Performante de SNR. (ROM)Logo_PDF
    BB codes. Encoding-decoding. SNR performances. (ENG)
  6. Laborator 6. / Laboratory work 6.

    7. Sincronizarea tactului de bit (simbol). Circuit de sincronizare. Calculul parametrilor. (ROM)Logo_PDF
    Bit (symbol)-clock synchronization. Synchronization circuits. Parameters' computation. (ENG)

    Probleme BB

    Rezolvare Probleme BB

  7. Laborator 7. / Laboratory work 7.

    8. Modulatii PAM. Filtrarea Semnalelor de date. (ROM)Logo_PDF
    Laboratory test BB+ synchronization. PAM modulations. Data filtering. (ENG)
    Demonstration of functioning for the analog modulator. Logo_PDF
  8. Laborator 8. / Laboratory work 8.

    9. Modulatia PSK. Modulator digital APSK. Modulator digital DPSK. (ROM) Logo_PDF
    PSK and APSK digital modulators. Filtering the PSK signals. (ENG)
  9. Laborator 9 / Laboratory work 9.

    10. Modulatia PSK. Filtrarea semnalelor PSK. Transmitatorul PSK.Demodulatorul PSK coerent diferential. Recuperarea tactului de simbol. Performante de SNR. (ROM) Logo_PDF
    The PSK modulation. Structure of the PSK transmitter. The coherent-differential DPSK demod/ulator. Symbol-clock recovery. SNR performances. (ENG)

    Probleme PSK

  10. Laborator 10. / Laboratory work 10.

    11. Modulatia QAM. Modularea-demodularea QPSK. (ROM) Logo_PDF
    The QAM modulation. QPSK modulation-demodulation using the QAM technique. (ENG)
  11. Laborator 11. / Laboratory work 11

    12. Test laborator PSK. Modulatii A+PSK. Maparea si producerea modulatiilor A+PSK. (ROM) Logo_PDF
    Laboratory test PSK. A+PSK modulation. Mapping and modulation method. (ENG)
  12. Laborator 12. / Laboratory work 12.

    13. Modulatii A+PSK. Demodularea A+PSK. Calculul performantelor de SNR. (ROM)
    A+PSK modulation. Demodulation of the A+PSK signals. Computation of the SNR performances. (ENG)

    Probleme A+PSK

  13. Laborator13 . / Laboratory work 13.

    14. Transmitatorul FSK cu sinteza Walsh. Implementare. Componenta spectrala. (ROM)
    FSK transmitter with Walsh digital synthesis. Implementation. Spectral composition. (ENG)
  14. Laborator 14. / Laboratory work 14.

    15. Receptorul FSK. Demodulatorul cu treceri prin zero. Performante. Sincronizarea tactului de bit. (ROM)
    The FSK receiver. The "zero-crossings" demodulator. Performances. Bit-clock synchronization. (ENG)

    Probleme rezolvate FSK

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