1 / 63

Digital Modulation Schemes

Digital Modulation Schemes. transmitter. receiver. Transmission . Modulation. Amplitude Modulation. Double Sideband Spectrum. QPSK modulation. In Practice. RZ and NRZ Line Codes & spectra. Nyquist Pulses for zero-ISI. Raised Cosine Spectrum. Spectrum of Raised Cosine pulse.

flavio
Télécharger la présentation

Digital Modulation Schemes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Digital Modulation Schemes

  2. transmitter receiver

  3. Transmission

  4. Modulation

  5. Amplitude Modulation

  6. Double Sideband Spectrum

  7. QPSK modulation

  8. In Practice

  9. RZ and NRZ Line Codes & spectra

  10. Nyquist Pulses for zero-ISI

  11. Raised Cosine Spectrum

  12. Spectrum of Raised Cosine pulse

  13. Raised Cosine pulses

  14. RF signal using Raised Cosine

  15. Gaussian pulse-shapes

  16. Virtue of pulse shaping

  17. BPSK constellation

  18. BPSK Coherent demodulator

  19. QPSK receiver

  20. FSK Coherent Detection

  21. Noncoherent FSK

  22. MSK modulation

  23. MSK reception

  24. Minimum Shift Keying spectra

  25. GMSK spectral shaping

  26. GMSK spectra shaping

  27. Simple GMSK generation

  28. GMSK Demodulator

  29. Digital GMSK demodulator

  30. 8-PSK Signal Constellation

  31. Bandwidth vs. Power Efficiency

  32. Pulse Shaped M-PSK

  33. 16-QAM Signal Constellation

  34. QAM efficiencies

  35. M-ary FSK efficiencies

  36. PN Sequence Generator

  37. Direct Sequence Spread Spectrum

  38. Direct Sequence Spreading

  39. Frequency Hopping Spread Spectrum

  40. CDMA – Multiple Users

More Related