Q. Modulation channel consists of

View solution

Q. Modulation channel does not accept an analog input signal.

View solution

Q. If operating frequency bands are higher ______ is available.

View solution

Q. Ground wave communication occurs in

View solution

Q. Sampling theorem is used for converting

View solution

Q. A signal can be recovered from its sample by using

View solution

Q. Which is practically realizable?

View solution

Q. In flat top sampling scheme, ______ is kept constant after sampling.

View solution

Q. Loop filter is a ______ used to reduce noise.

View solution

Q. A stationary stochastic process has

View solution

Q. The power spectral density function of the stochastic process is

View solution

Q. For a periodic function, the spectral density and auto correlation functions form

View solution

Q. The capacity of a channel is given by

View solution

Q. In a communication system, a process in which statistical averages and time averages are equal is called as

View solution

Q. A rectangular pulse of duration T is applied to a matched filter. The output of the filter is a

View solution

Q. The line code has a zero dc component for pulse transmission of random binary data is

View solution

Q. The auto-correlation of white noise is

View solution

Q. Ionospheric communication can take place in

View solution

Q. Satellite communication takes place in

View solution

Q. The weighing matrix is

View solution