A discrete signal is expressed as x[n] = 2cos(2n), where n is an integer. Is this signal periodic? a. Periodic with period 2n b. Periodic with period 2π c. Periodic with period 2 d. Not periodic Determine if the signal x[n] = 7sin(6πn) is periodic? If so, what is the fundamental period? a. Periodic with a fundamental period of 6π b. Periodic with a fundamental period of 3 c. Periodic with a fundamental period of 1 d. Not periodic The result of the convolution x(n)∗delta(n−n0) is? a. x(n +n0) b. x(x - n0) c. x(−n−n0) d. x(−n +n0)
A discrete signal is expressed as x[n] = 2cos(2n), where n is an integer. Is this signal periodic?
a. Periodic with period 2n
b. Periodic with period 2π
c. Periodic with period 2
d. Not periodic
Determine if the signal x[n] = 7sin(6πn) is periodic? If so, what is the fundamental period?
a. Periodic with a fundamental period of 6π
b. Periodic with a fundamental period of 3
c. Periodic with a fundamental period of 1
d. Not periodic
The result of the convolution x(n)∗delta(n−n0) is?
a. x(n +n0)
b. x(x - n0)
c. x(−n−n0)
d. x(−n +n0)
Determine the output of an LTI system, if the input is x[n] = 2delta(n)−delta(n−1) and h[n] is given by the following figure
A real value signal x[n] is said to be antisymmetric if
a. x(n) =x(−n)
b. x(n) = x(−n)
c. x(n) =−x(n)
d. nothing is right
Step by step
Solved in 3 steps with 3 images
