'Digital communications autumn' presentation slideshows

AM Modulators, SSB

267 views • 12 slides

Random Processes and PSD

Random Processes and PSD. Analog and Digital Communications Autumn 2005-2006. Random Processes. Cross-correlation (Processes are orthogonal if ) Cross-covariance. Example. Example. Mean is constant and autocorrelation is dependent on. Example. Stationary and WSS RP.

419 views • 12 slides

AM Modulators, SSB

348 views • 12 slides

LTI Systems, Probability

LTI Systems, Probability. Analog and Digital Communications Autumn 2005-2006. Sampling. First consider modulation Product with Cosine in time domain Convolution with two impulses in frequency domain Next consider sampling Product with a train of impulses in time domain

180 views • 8 slides

Filtering and Bandpass Signals

Filtering and Bandpass Signals. Analog and Digital Communications Autumn 2005-2006. LTI Systems Revisited. For random and deterministic signals:. (Prove it at home!). (For real channels!). LTI. Example: Random Signal. Consider White Noise input to an LTI filter.

191 views • 8 slides