Give classification of signals.
[3 marks]For given discrete time system check whether the given system is a Static/Dynami,Linear/Nonlinear,TimeVariant/Invariant,Causal/Noncausal, Y(n)= x(2*n)
[4 marks]What is aliasing effect and how it can be eliminated?
[7 marks]Draw & discuss typical block diagram of Digital Signal Processing
[3 marks]Explain with suitable example recursive and non-recursive systems.
[4 marks]Compute the convolution by graphical method between x(n)={-1,2,3,2,1} and y(n)={2,1,-1,1}
[7 marks]ROC of Z-transform and enlist properties of ROC.
[3 marks]Derive the Ztransform for X(n) = u(-n-2) 2. X(n)=n2u(n)
[4 marks]Prove shifting and linearity properties of z transform.
[7 marks]Show relationship between Ztransform and DFT.
[3 marks]Determine the causal signal x(n) having the z-transform X(Z)= 1 (1−2z−1)(1−z−1)2
[4 marks]Prove differentiation and convolution properties of z transform.
[7 marks]Compare DTFT with DFT.
[3 marks]Calculate 4 point DFT of X(n)={0,1,2,3}
[4 marks]List out the properties of DFT prove the symmetry property for DFT.
[7 marks]Prove linearity property of DFT.
[3 marks]Find IDFT of given sequence X(k)={12, -4+j4, -4, -4-j4}
[4 marks]Find circular convolution of the sequences x(n)={1,2,3,4} and h(n)={2,1,2,1}.
[7 marks]Explain term ‘radix’ for FFT algorithm
[3 marks]Explain Low pass and high pass filter.
[4 marks]Explain Impulse Invariance Method for IIR filter design
[7 marks]Enlist difference between FIR and IIR Filter.
[3 marks]Explain windowing Method for FIR filter design in brief.
[4 marks]Explain Radix-2 Decimation In Time FFT algorithm.
[7 marks]