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Discrete Mathematics Q&A Archive of March 8, 2025

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March 8 of 2025

1. Given the sequence in Figure Figure: Data sequence where \( f_{s}=100 \mathrm{~Hz} \) and \( T=0.01 \mathrm{sec} \), compute the amplitude spectrum, phase spectrum, and power spectrum using the a. triangular window. b. Hamming window. c. Hanning window.
Ejercicio 2. Usando las sucesiones \( \left\{f_{n}\right\}_{i \in \mathbb{Z}^{+}} \)y \( \left\{g_{n}\right\}_{i \in \mathbb{Z}^{+}} \), determina cuáles de las series asociadas en \( C[0,1] \) son convergentes con las normas \( \|\cdot\|_{1} \mathrm{y}\|\cdot\|_{\infty} \). Deduce que el…
4.37 Consider a sequence of \( x(n) \) defined for \( 0 \leq n<N \), where \( N= \) even \[ x(n)=\left\{\begin{array}{ll} 1 & n=\text { even } \\ 0 & n=\text { odd } \end{array}\right. \] 142 CHAPTER 4 DISCRETE FOURIER TRANSFORM AND SIGI show that \[ X(k)=\left\{\begin{array}{cc} N / 2 & k=0,…
please explain the answer
4. Match the word form to its numerical expression. \( \qquad \) the difference between \( \frac{3}{4} \) and the product of \( \frac{2}{3} \) and 2 tenths \( \qquad \) 2 tenths less than the product of \( \frac{3}{4} \) and \( \frac{2}{3} \) \( \qquad \) \( \frac{3}{4} \) of the sum of \(…
6. Suppose a company keeps a linear array YEAR (1928:1970) such that YEAR [K] Contains the number of emplyees born in yeark. Write a madule for each of the foll aing tasks: (a) To point each of the years in which no emplayee was born. (b) To find the number NNIN \&f ears in warch no employee…
3.29. In each of the following, we specify the Fourier series coefficients of a signal that is periodic with period 8 . Determine the signal \( x[n] \) in each case. (a) \( a_{k}=\cos \left(\frac{k \pi}{4}\right)+\sin \left(\frac{3 k \pi}{4}\right) \) (b) \( a_{k}=\left\{\begin{array}{ll}\sin…
2. Consider the linear array in Fig. 1.11. The values of FIRST and LINK \( [\mathrm{K}] \) in the figure determine a linear ordering of the name, as follows. FIRST gives the location of the first name in the list, and LINK [K] gives the location of the name following NAME [K], with 0 denoting…
what is delta
Convert (306.D)8 to (?)2
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Apps@UAlbe https://eclas https://eclas Confidence Module \( \epsilon \) eclass.srv.ualberta.ca 7 UNIVERSITY OF ALBERTA Site home Dashboard Help Dack Question 13 Tries remaining: 1 Marked out of 10.00 Flag question In April of 2011, the unemployment rate in Canada was reported to be \( 7.7…
if it takes 4 ms to run program "ii" for n=400 , how long it will take to run for n=400?