Determine the z transform of finite duration sequence1 x ( n ) 1 , 2 , 3 , 4 ,
[3 marks]Write about anti-aliasing filter for DSP system.
[4 marks]Explain classification of discrete time systems in detail.
[7 marks]Decide whether system y ( n ) x ( n 2 ) is linear or nonlinear.
[3 marks]Introduce quantization and quantization errors.
[4 marks]Brief about architecture of DSP processor with necessary sketch.
[7 marks]Discuss advantages of digital over analog signal processing.
[7 marks]What are even and odd signals? Give example.
[3 marks]Compute 4 point DFT of sequence x ( n ) { 1 , 0 , 2 , 3 } with matrix of twiddle factor.
[4 marks]Represent the system transfer function H ( z ) (1 3 z 1 7 z 2 ) (1 7 z 1 3 z 2 )07 using direct form structure and cascade form structure.
[ marks]Write any three properties of z transform.
[3 marks]Brief about relationship of the discrete Fourier transform to the z transform.
[4 marks]Compute 4 point DFT of sequence x ( n ) { 2 , 1 , 1 , 2 } by definition and with matrix of twiddle factor.
[7 marks]Explain transposed form of structure for discrete time systems.
[3 marks]Perform linear convolution using mathematical equation for following sequences h(n){1,1,1} and x(n){1,1,2}
[4 marks]Determine cross correlation r x h ( l ) for following sequences x ( n ) { 3 , 2 , 1 , 4 , 8 , 3 } and h ( n ) { 1 , 1 , 1 , 1 , 2 , 2 }07
[ marks]Introduce various terms of specifications for FIR filter design.
[3 marks]List windowing techniques for filter design. Explain any one window in detail.
[4 marks]Perform circular convolution for following two sequences x (n){2,1,2,1} and x (n){1,2,3,4}12
[7 marks]Explain term ‘radix’ for FFT algorithm.
[3 marks]Find sequence2 X ( k ) using decimation in time FFT technique for x ( n ) { 0 , 1 , 2 , 3 }04
[ marks]Determine the inverse z transform of X ( z ) 1 1 .5 z 1 1 0 .5 z by power series expansion for ROC z 107 .
[2 marks]With example explain signal flow diagram representations of Linear Constant-Coefficient Difference equations.
[3 marks]Determine digital filter for analog filter H ( s ) s s a a 2 b 204 using impulse invariance method.
[ marks]Find z transform and ROC of x(n)1 5n u(n) 1 n u(n1)2
[7 marks]