DOWNLOAD EC6502 Principles of Digital Signal Processing Question Bank UNIT I Part A Write the formula for DFT and IDFT. Name any two properties of DFT. State and prove Parseval theorem. State and prove time-shifting property of DFT. State and prove circular convolution. What are ‘twiddle factor’ of the DFT?(May-2012) State the relationship between DTFT and DFT.(Nov-2011,May-2014) Determine the value of W 16 for 64-point DFT. Give the number of complex addition and complex multiplication required for the direct computation of N-point DFT. What is zero padding? What are its uses?(Nov-2011,Nov-2013) Define circular convolution. Distinguish between Circular convolution and linear convolution. Write briefly about Overlap-save method. Write briefly about Overlap-add method State the difference between Overlap-save method and Overlap-add method. What is the need for FFT? Wha...
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