Q.1.
Which of the following relation is true if the signal x(n) is real?
Q.2.
For a signal x(n) to exhibit even symmetry, it should satisfy the condition |X(-ω)|=| X(ω)|.

Explanation

Q.3.
Which of the following condition is to be satisfied for the Fourier transform of a sequence to be equal as the Z-transform of the same sequence?
Q.4.
If x(n) is a stable sequence so that X(z) converges on to a unit circle, then the complex cepstrum signal is defined as ____________
Q.5.
If a power signal has its power density spectrum concentrated about zero frequency, the signal is known as ______________
Q.6.
What are the main characteristics of Anti aliasing filter?

Explanation

Q.7.
What is the frequency range(in Hz) of Electroencephalogram(EEG)?

Explanation

Q.8.
Which of the following electromagnetic signals has a frequency range of 30kHz-3MHz?

Explanation