Information and capacity#

Signalling rate and pulse shaping, entropy, source coding and channel capacity.

Nyquist’s signalling rate: 2B pulses per second (1928)

Nyquist's signalling rate: 2B pulses per second (1928)

Hartley’s law: information grows with the logarithm of the levels (1928)

Hartley's law: information grows with the logarithm of the levels (1928)

Shannon’s entropy and the binary symmetric channel (1948)

Shannon's entropy and the binary symmetric channel (1948)

The Shannon-Hartley capacity of a noisy band-limited channel (1949)

The Shannon-Hartley capacity of a noisy band-limited channel (1949)

Nyquist’s ISI criterion: raised-cosine pulses (1928)

Nyquist's ISI criterion: raised-cosine pulses (1928)

Huffman’s minimum-redundancy code (1952)

Huffman's minimum-redundancy code (1952)