Exam 2: Information Theory and Communication Techniques

In which waveform logic 1 is represented by half bit wide pulse and logic 0 is represented by absence of pulse?

Flat top sampling of low pass signals

The output of an information source is

Which method is preferred in magnetic tape recording?

Which type is used and preferred in digital logic circuits?

A PWM signal can be generated by

Which method is called as differential encoding?

When the base of the logarithm is e, the unit of measure of information is

Which waveforms are also called as line codes?

The return to zero waveform consists of

A PAM signal can be detected using

NRZ-S is complement of_________    

The use of non uniform quantization leads to

In an ideal TDM system, the cross correlation between two users of the system is

When pulse code modulation is applied to non binary symbols we obtain waveform called as

Phase encoded group consists of

TDM requires

Coherent demodulation of FSK signal can be performed using

The mutual information between a pair of events is

In which waveform logic 1 and logic 0 are represented by opposite one half bit wide pulses?