Knowee
Questions
Features
Study Tools

Determine the Laplace Transform of the following signals:x(t) = e'al sin wo t u(t)

Question

Determine the Laplace Transform of the following signals:x(t) = e'al sin wo t u(t)

🧐 Not the exact question you are looking for?Go ask a question

Solution

Para determinar la Transformada de Laplace de la señal x(t)=eatsin(ω0t)u(t) x(t) = e^{at} \sin(\omega_0 t) u(t) , seguimos los siguientes pasos:

  1. Definición de la Transformada de Laplace: La Transformada de Laplace de una función x(t) x(t) está dada por: L{x(t)}=0x(t)estdt \mathcal{L}\{x(t)\} = \int_{0}^{\infty} x(t) e^{-st} \, dt

  2. Sustitución de x(t) x(t) : Sustituimos x(t)=eatsin(ω0t)u(t) x(t) = e^{at} \sin(\omega_0 t) u(t) en la definición: L{eatsin(ω0t)u(t)}=0eatsin(ω0t)estdt \mathcal{L}\{e^{at} \sin(\omega_0 t) u(t)\} = \int_{0}^{\infty} e^{at} \sin(\omega_0 t) e^{-st} \, dt

  3. Simplificación del exponente: Combinamos los términos exponenciales: 0e(as)tsin(ω0t)dt \int_{0}^{\infty} e^{(a-s)t} \sin(\omega_0 t) \, dt

  4. Uso de la Transformada de Laplace conocida: Sabemos que la Transformada de Laplace de ebtsin(ωt) e^{bt} \sin(\omega t) es: L{ebtsin(ωt)}=ω(sb)2+ω2 \mathcal{L}\{e^{bt} \sin(\omega t)\} = \frac{\omega}{(s-b)^2 + \omega^2} En nuestro caso, b=a b = a y ω=ω0 \omega = \omega_0 .

  5. Aplicación de la fórmula: Aplicamos la fórmula con b=a b = a y ω=ω0 \omega = \omega_0 : L{eatsin(ω0t)}=ω0(sa)2+ω02 \mathcal{L}\{e^{at} \sin(\omega_0 t)\} = \frac{\omega_0}{(s-a)^2 + \omega_0^2}

Por lo tanto, la Transformada de Laplace de x(t)=eatsin(ω0t)u(t) x(t) = e^{at} \sin(\omega_0 t) u(t) es: L{x(t)}=ω0(sa)2+ω02 \mathcal{L}\{x(t)\} = \frac{\omega_0}{(s-a)^2 + \omega_0^2}

This problem has been solved

Similar Questions

Determine the Laplace transform ofg(t)=5sin(8t)u5(t)

Find the Laplace transform of the following functions:(i) sin 2t cos 3t

Determine the Laplace transform ofg(t)=4sin(8(t−7))u7(t)

Determine the inverse Laplace transform ofG(s)=e−4ss+9𝐺(𝑠)=𝑒−4𝑠𝑠+9Note: You must use the notation u(t−c)𝑢(𝑡−𝑐) rather than uc(t)𝑢𝑐(𝑡) in order for your answer to be accepted by SOWISO.

What is the Laplace transform of f(t) = 𝑡2

1/3

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.