The Parsevalβs theorem states that the energy in the time-domain representation of a signal is equal to the energy in the frequency domain representation normalized by
The equation y(t) = a x(t)+b comes under which system
Which of the following time system operates with a continuous time signal & produces a continuous time output signal
A signal is a power signal when the signal has
Find the Nyquist Frequency for the given signal x(t) =3 cos 50pt +10 sin 300pt β cos100pt
Which of the following can weaken a signal
Which of the following is the one of the property of unit impulse d(t) is
The given system is characterized by the differential equation d2y(t)/dt2-dy(t)/dt-2y(t)= x(t). Then the system is
A system is said to be dynamic if the output of the system depends on the
The difference between the highest and the lowest frequencies of a signal is known as
The function which relates output of a system to the input(signal) of a system is
For a band pass signal extends from 1 KHz to 2 KHz. Then the minimum sampling frequency that needed to retain all information of the sampled signal is
A discrete signal is said to be odd or asymmetric if x(-n) is equal to
The two basic types of signals are analog and: