The ztransform of F(z) of the function f(nT) = a^{nT} is
The ROC of ztransform of the sequencemust be
If, the ROC of then the ROC of x_{1}[n]x_{2}[n] includes
The ztransform of discrete time signal x[n] = {1, 0, 1,0, 1,1} is
A all pass causal LTI system is described by the difference equation:
y[n]  ay[n  1] = bx[n] + x [n  1]
The value of ’b’ will be
Consider a discrete time signal x(n) having ztransform given by if x(n) is right sided then ztransform x(z) belongs to
Consider a system with system function:
Let x[n] =
The ROC for the ztransform of above sequence is
The sequence x[n] corresponding tox (z) defined as will have the value at n =  2
The direct.formII realisation of []R filter is shown below.
The transfer function is
A sequence of x(n) with the ztransform x(z) = z^{4} + z^{2}  2z + 2  3z^{4} is applied as an input to a L.T.I system with the impulse response where, the output at n = 2 is
Find x[n] for the case, when x(z) =
Match ListI {x(n)} with ListII {x(z)} and select the correct answer using the codes given below the lists:
ListI
A. ∝^{n} u(n)
B. ∝^{n} u(n 1)
C. ∝^{n} u(n1)
D. ∝^{n }u(n)
ListII
1.
2.
3.
4.
Codes
Choose the correct option for given causal systems, stable or not
i.
ii.
iii.
Find the inverse ztransform of
Consider discrete time signal x(n) is given by
x(n) = 4^{n} u(n)
Also,
Consider another signal
Also, y(z) = x^{2}(z)
then, y(n) is
Consider a ztransform of a signal x(n)
value of x(1) is equal to
Consider a discrete time signal x(n), who use ztransform x(z) is given by,
value of x(n) for n = 0 is
If ztransform is given by x(z) = cos(z^{3}), z > 0 the value of x[12] is
The impulse response of the system in below figure.
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