z-transform of x[n]" class="read-more button" href="https://exam.pscnotes.com/mcq/let-xleft-n-right-left-1-over-9-rightnuleft-n-right-left-1-over-3-rightnuleft-n-1-right-the-region-of-convergence-roc-of-the-z-t/#more-59831">Detailed SolutionLet $$x\left[ n \right] = {\left( { – {1 \over 9}} \right)^n}u\left( n \right) – {\left( { – {1 \over 3}} \right)^n}u\left( { – n – 1} \right).$$ The Region of Convergence (ROC) of the z-transform of x[n]
tx(t). This system is" class="read-more button" href="https://exam.pscnotes.com/mcq/a-system-with-an-input-xt-and-output-yt-is-described-by-the-relation-yt-txt-this-system-is/#more-59804">Detailed SolutionA system with an input x(t) and output y(t) is described by the relation: y(t) = tx(t). This system is
systems with impulse responses h1(t) and h2(t) are connected in cascade. Then the overall impulse response of the cascaded system is given by" class="read-more button" href="https://exam.pscnotes.com/mcq/two-systems-with-impulse-responses-h1t-and-h2t-are-connected-in-cascade-then-the-overall-impulse-response-of-the-cascaded-system-is-given-by/#more-59210">Detailed SolutionTwo systems with impulse responses h1(t) and h2(t) are connected in cascade. Then the overall impulse response of the cascaded system is given by
magnitude and phase of the complex Fourier series coefficient ak of a periodic signal x(t) are shown in the figure. Choose the correct statement from the four choices given. Notation: C is the set of
xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"> Subscribe on YouTube algorithm with N = 2m, which one of the following statements is TRUE?" class="read-more button" href="https://exam.pscnotes.com/mcq/for-an-n-point-fft-algorithm-with-n-2m-which-one-of-the-following-statements-is-true/#more-58950">Detailed SolutionFor an N-point FFT algorithm with N = 2m, which one of the following statements is TRUE?
are, respectively" class="read-more button" href="https://exam.pscnotes.com/mcq/a-discrete-time-linear-shift-invariant-system-has-an-impulse-response-hn-with-h0-1-h1-1-h2-2-and-zero-otherwise-the-system-is-given-an-input-sequence-xn-with-x0-x2-1-and-z/#more-58898">Detailed SolutionA discrete time linear shift-invariant system has an impulse response h[n] with h[0] = 1, h[1] = -1, h[2] = 2, and zero otherwise. The system is given an input sequence x[n] with x[0] = x[2] = 1 and zero otherwise. The number of nonzero samples in the output sequence y[n], and the value of y[2] are, respectively
time function can have only" class="read-more button" href="https://exam.pscnotes.com/mcq/the-trigonometric-fourier-series-of-a-periodic-time-function-can-have-only/#more-58155">Detailed SolutionThe trigonometric Fourier series of a periodic time function can have only