## Marks 1

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For an N-point FFT algorithm with N = $${2^m}$$ which one of the following statements is TRUE?
GATE ECE 2010

## Marks 2

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A continuous-time speech signal $${x_a}(t)$$ is sampled at a rate of 8 kHz and the samples are subsequently grouped in ...
GATE ECE 2016 Set 3
The Discrete Fourier Transform (DFT) of the 4-point sequence $$x\left[ n \right]$$= {x[0], x[1], x[2], x[3]} = {3, 2,...
GATE ECE 2016 Set 2
Two sequences [a, b, c ] and [A, B, C ] are related as, $$\left[ {\matrix{ A \cr B \cr C \cr } } \ri... GATE ECE 2015 Set 1 Consider two real sequences with time- origin marked by the bold value,$${x_1}\left[ n \right] = \left\{ {1,\,2,\,3,\,0...
GATE ECE 2015 Set 1
The N-point DFT X of a sequence x[n] 0 ≤ n ≤ N − 1 is given by $$X\left[ k \right] = {1 \over {\sqrt N }}\,\,\sum\lim... GATE ECE 2014 Set 4 Consider a discrete time periodic signal x$$\left[ n \right]$$=$$\sin \left( {{{\pi n} \over 5}} \right)$$. Let ak be ... GATE ECE 2014 Set 1 The DFT of a vector [a b c d] is the vector [α β γ δ ]. Consider the product The DFT of the vector [ p q r s] is a sc... GATE ECE 2013 The first six points of the 8-point DFT of a real valued sequence are 5, 1 - j3, 0, 3- j4, 0 and 3+ j4. The last two p... GATE ECE 2011 The 4-point Discrete Fourier Transform (DFT) of a discrete time sequence$$\left\{ {1,\,0,\,2,\,3} \right\} is
GATE ECE 2009
{x(n)} is a real-valued periodic sequence with a period N. x(n) and X(k) form N-point. Discrete Fourier Transform (DFT) ...
GATE ECE 2008

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