[SS] Laplace Transform Table

2022. 10. 24. 12:30·.../Signals and Systems
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  Signal Laplace Transform RoC ...
1 $u(t)$ $\frac{1}{s}$ $\text{Re}(s)>0$ 참고
2 $u(t)-u(t-a)$ $\frac{1-e^{-as}}{s}$ $\text{Re}(s)>0$ 참고
3 $\delta(t)$ 1 all complex plane  
4 $\delta(t-a)$ $e^{-as}$ all complex plane 참고
5 $e^{-at}u(t)$ $\frac{1}{s+a}$ $\text{Re}(s)>-a$ 참고
6 $\cos\Omega_0t u(t)$ $\frac{s}{s+\Omega_0^2}$ $\text{Re}(s)>0$  
7 $\sin\Omega_0t u(t)$ $\frac{\Omega_0}{s+\Omega_0^2}$ $\text{Re}(s)>0$  
8 $t^nu(t)$ $\frac{n!}{s^{n+1}}$ $\text{Re}(s)>0$  
9 $t^ne^{-at}u(t)$ $\frac{n!}{(s+a)^{n+1}}$ $\text{Re}(s)>-a$ 참고
10 $e^{-at}\cos\Omega_0tu(t)$ $\frac{s+a}{(s+a)^2+\Omega_0^2}$ $\text{Re}(s)>-a$  
11 $e^{-at}\sin\Omega_0tu(t)$ $\frac{\Omega_0}{(s+a)^2+\Omega_0^2}$ $\text{Re}(s)>-a$  
12 $t\cos\Omega_0tu(t)$ $\frac{s^2-\Omega_0^2}{(s^2+\Omega_0^2)^2}$ $\text{Re}(s)>0$  
13 $t\sin\Omega_0tu(t)$ $\frac{2\Omega_0s}{(s^2+\Omega_0^2)^2}$ $\text{Re}(s)>0$  
14 $\cos^2\Omega_0 t u(t)$ $\frac{s^2+2\Omega^2}{s(s^2+4\Omega_0^2)}$ $\text{Re}(s)>0$ 참고
15 $\sin^2\Omega_0 t u(t)$ $\frac{2\Omega^2}{s(s^2+4\Omega_0^2)}$ $\text{Re}(s)>0$ 참고

unilateral laplace transform이 기본인 점을 기억할 것.

 

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[SS] Laplace Transform Table
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