DSP
- Write five properties for DFT
- What are the advantages, disadvantages and limitations of DSP?
- Find the DFT of a sequence x(n) = {1,1,0,0} and find the IDFT of Y(k) ={1,0,1,0}.
- Find the DFT of a sequence x(n) = {1,2,3,4,4,3,2,1} using DIT algorithm.
- Realize the second order system y(n) = 2rcos(wo)y(n-1)-r^2 y(n-2)+x(n)-rcos(wo)x in direct form-II realization.
- Find the circular convolution of the given data sequences x1(n)={1,3,5,7} and x2(n)={2,4,6,8 }using circle method?
- Find the circular convolution of given data sequences x1(n)={1,3,5,7}: x2(n)={2,4,6,8} using matrix method?
- What is zero padding? Explain with example?
- Determine the system function H(z), impulse response h(n) of the LTI system defined by the difference equation. Y(n)= x(n)+3x(n-1)+2y(n-1)-y(n-2)?
- Why FFT is needed? Give the main advantage of FFT?
- How can we calculate IDFT using FFT algorithm?
- Find the 8-point DFT of the given sequence x(n)={0,1,2,3,4,5,6,7} using DIF, radix-2, FFT algorithm.