What are the advantages of designing filter using digital signal processing?
[3 marks]Write a short note on frequency domain sampling and reconstruction of discrete – time signals.
[4 marks]Write about block diagram and signal flow diagram representations of Linear Constant-Coefficient Difference Equations.
[7 marks]Explain effects of Co-efficient quantization and discuss how to minimize it.
[3 marks]With suitable example explain transposed form structure of discrete time system.
[4 marks]Represent the system transfer function1 H ( z ) ( 1 1 z 1 5 z 2 7 z 3 ) ( 1 7 z 1 5 z 2 3 z 3 )07 using direct form -II structure.
[ marks]Represent the system transfer function H ( z ) ( 1 2 z 1 3 z 2 7 z 3 ) ( 1 4 z 1 1 z 2 5 z 3 )07 using cascade form structure.
[ marks]List basic structures of IIR systems and explain any one in brief.
[3 marks]Explain any four properties of Discrete Fourier Transform.
[4 marks]Compute 4 point DFT of sequence x ( n ) { 1 , 2 , 3 , 4 } using definition of DFT.
[7 marks]Write advantages of the FFT algorithm.
[3 marks]Brief about overlap-add method for filtering of long data sequences.
[4 marks]Determine IDFT of x ( k ) { 2 , 1 j , 0 , 1 j } using definition.
[7 marks]With reason explain prewarping procedure during filter design.
[3 marks]Discuss about Decimation in Frequency algorithm of FFT.
[4 marks]Using DIT FFT radix-2 algorithm find transform of x ( n ) { 1 , 2 , 3 , 5 , 5 , 3 , 2 , 1 }
[7 marks]Give difference between radix-2 and radix-4 FFT algorithm.
[3 marks]Write about Bilinear Z-Transform method of IIR filter design.
[4 marks]Perform circular convolution for following two sequences x (n){2,0,0,1} and x (n){4,3,2,1}12
[7 marks]What are the limitations of filter design by approximation of derivatives?
[3 marks]Explain Bartlett window technique for filter design.
[4 marks]With suitable example write a note on linear filtering using DFT.
[7 marks]Briefly compare FIR and IIR filter characteristics.
[3 marks]Explain Hanning window technique for filter design.
[4 marks]Analog filter is given as2 X ( s ) s s0 .10 .1 2 2 507 , using proper steps design digital filter with impulse invariance method.
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