Quiz sobre la transformada Z y modelado de sistemas discretos

<p>Todas las anteriores</p> Signup and view all the answers

<p>$|s| \rightarrow \infty$</p> Signup and view all the answers

<p>Z[{fk}] = f(z) = \sum_{k=0}^{\infty} fkz^{-k}</p> Signup and view all the answers

<p>f(z) = \rac{1},{1 - az^{-1}}</p> Signup and view all the answers

<p>|z| &gt; |a|</p> Signup and view all the answers

<p>La función racional f(z) es igual a la definición (2.1)</p> Signup and view all the answers

<p>$fk = 3fk-1 - 3f-1 δk - 2fk-2 + 2f-2 δk + 2f-1 δk-1 + 10δk-1$</p> Signup and view all the answers

<p>$K1 + K2$</p> Signup and view all the answers

<p>$Kpp∗ = H k-1 R sin([k - 1]α + φ)$</p> Signup and view all the answers

<p>$fk = 10(2k - 1)θk$</p> Signup and view all the answers

<p>$F(s) = e^{-\lambda s} e^{mT s} G(s)$</p> Signup and view all the answers

<p>$c_k = \dfrac{1},{p} + \left\lbrace \dfrac{c_0(q-1) - p},{q} \right\rbrace^k \dfrac{1},{q}$</p> Signup and view all the answers

<p>$c_k - c_{k+1} = Kz(z-1)$</p> Signup and view all the answers

<p>$p = c_kq - c_{k+1}$</p> Signup and view all the answers

<p>Linealidad</p> Signup and view all the answers

<p>$Z [{fk−n }] = z^{-n} f (z) + f^{-n} + f^{-n+1} z^{-1} + · · · + f^{-1} z^{-n+1}$</p> Signup and view all the answers

<p>$Z [{fk+n }] = z^n f (z) - z^n f(0) - z^n-1 f(1) - · · · - z^fn-1$</p> Signup and view all the answers

<p>$lim_{k \to \infty} fk = lim_{z \to 1} (z - 1)f (z) = lim_{z \to 1} (1 - z^{-1})f (z)$</p> Signup and view all the answers

<p>Sistemas económicos</p> Signup and view all the answers

<p>El controlador no dispone de la información relevante sobre el comportamiento del sistema en todo instante</p> Signup and view all the answers

<p>De tiempo discreto</p> Signup and view all the answers

<p>pk = ck + ik + gk</p> Signup and view all the answers

<p>a</p> Signup and view all the answers

<p>ab &lt; 1</p> Signup and view all the answers

<p>1 - a(1 + b)z^-1 + abz^-2</p> Signup and view all the answers

<p>Las variables de interés en los sistemas muestreados están definidas entre instantes de muestreo.</p> Signup and view all the answers

<p>Función de transferencia pulso</p> Signup and view all the answers

<p>Los tiempos de adquisición y conversión deben ser mucho menores que los tiempos característicos de cambio de la señal.</p> Signup and view all the answers

<p>La transformada de Laplace de la señal obtenida coincide con la transformada Z de la secuencia de muestras.</p> Signup and view all the answers

<p>Aquel en el que las magnitudes de interés varían en el tiempo, tomando valores solo en instantes concretos.</p> Signup and view all the answers

<p>$Y(z) = \sum_{k=0}^{\infty} h(k)X(z)z^{-k}$</p> Signup and view all the answers

<p>$yk = a_1 y_{k-1} + a_2 y_{k-2} + ... + a_m y_{k-m} + b_0 u_k + b_1 u_{k-1} + ... + b_n u_{k-n}$</p> Signup and view all the answers

<p>$yk = yk_{libre} + yk_{forzada}$</p> Signup and view all the answers

<p>$G(z) = \frac{3z^2 - 5z + 3}{z - 2z + 1}$</p> Signup and view all the answers

<p>$a_k = -a_{k-1} - a_{k-2} + 3e_k + 2e_{k-1} + e_{k-2}$</p> Signup and view all the answers

<p>$D(z) = \frac{3z^2 + 2z + 1}{2z + z + 1}$</p> Signup and view all the answers

<p>$accion = ak1 + ak2 - 3<em>error - 2</em>ek1 - ek2$</p> Signup and view all the answers

<p>$y_{libre}(z) = c_0 + c_1 z^{-1} + \ldots + c_{m-1} z^{-(m-1)} / (1 - a_1 z^{-1} - \ldots - a_m z^{-m})$</p> Signup and view all the answers

<p>$G(z) = (b_0 + b_1 z^{-1} + \ldots + b_n z^{-n}) / (1 - a_1 z^{-1} - \ldots - a_m z^{-m})$</p> Signup and view all the answers

<p>${g_k} = Z^{-1}[G(z)]$</p> Signup and view all the answers

<p>{0.1, -1, 0.1, ...}</p> Signup and view all the answers

<p>Gm(z) = H0G(z)</p> Signup and view all the answers

<p>Gm(z) = H1G(z)</p> Signup and view all the answers

<p>Escalón discreto</p> Signup and view all the answers

<p>Gm(z) = (1 - z^-1)G(z) / s</p> Signup and view all the answers