Autocorrelation function of periodic signal is equal to _______
a) Energy of the signal
b) Power of the signal
c) Its area in frequency domain
d) None of the mentioned
Autocorrelation function of periodic signal is equal to _______ Read More »
a) Energy of the signal
b) Power of the signal
c) Its area in frequency domain
d) None of the mentioned
Autocorrelation function of periodic signal is equal to _______ Read More »
a) Real and even
b) Real and odd
c) Complex and even
d) Complex and odd
Autocorrelation is a _______ function. Read More »
a) Strong peak
b) Infinite peak
c) Weak peak
d) None of the mentioned
Autocorrelation function of white noise will have? Read More »
a) Real and even function
b) Non negative function
c) Periodic
d) All of the mentioned
Power spectral density function is a? Read More »
a) Two random events
b) Probability of occurence of two random events
c) Random event and a real number
d) Random event and its probability of occurrence
Random variables give relationship between _____ Read More »
a) P(X less than or equal to x)
b) P(X greater than or equal to x)
c) P(X less than x)
d) P(X greater than x)
The distribution function of random variable is Read More »
a) 0 and 1
b) 1 and 0
c) Both 0
d) Both 1
The distribution function of -(infinity) and (infinity) is _____ Read More »
a) Positive function
b) Negative function
c) Zero
d) One
The value of the probability density function of random variable is Read More »
a) Its statistics vary with shift in time origin
b) Its statistics does not vary with shift in time origin
c) Its autocorrelation vary with shift in time
d) Its autocorrelation does not vary with shift in time
A random process is called as stationary in strict sense if Read More »
a) Mean
b) Variance
c) Standard variance
d) Pdf
Which gives the measure of randomness of the random variable? Read More »