WorksheetsPSWD - #1
Total questions: 10
Worksheet time: 17mins
For the discrete signal, x[n] as shown below, what is the value of x[n] for n = 1.5 ?
zero
3
3.5
not defined
The system described by the equation y(n)=ay(n-1)+b x(n) is a recursive system
True
False
To implement the linear time invariant recursive system described by the difference equation. in Direct form-I, how many number of delay elements and multipliers are required respectively?
M+N+1,M+N
M+N-1,M+N
M+N,M+N+1
None of the mentioned
Which of the following is the difference equation of a special case of FIR system?
a
b
c
None of the mentioned
What is the system does the following direct form structure represents?
FIR system
Purely recursive system
General second order system
None of the mentioned
What is the output of the system represented by the following direct form?
y(n)= -a1y(n-1)-a2y(n-2)- b0x(n)-b1x(n-1)-b2x(n-2)
y(n)= -a1y(n-1)-a2y(n-2)+b0x(n)
y(n)= -a1y(n-1)-a2y(n-2)+ b0x(n)+b1x(n-1)+b2x(n-2)
y(n)= a1y(n-1)+a2y(n-2)+ b0x(n)+b1x(n-1)+b2x(n-2)
The system represented by the following direct form structure is:
General second order system
Purely recursive system
Partial recursive system
FIR system
An FIR system is also called as “recursive system
True
False
What is the form of the FIR system to compute the moving average of the signal x(n)?
a
b
c
None of the mentioned
The system described by the equation y(n)=ay(n+1)+b x(n) is a recursive system.
True
False
