តារាងបំលែងឡាប្លាស

ដោយវិគីភីឌា
លរ f(t) F(s) សំគាល់
u(t) = \begin{cases} 0 \quad &(t < 0) \\ \frac{1}{2} \quad &(t = 0) \\ 1 \quad &(t > 0) \end{cases} \frac{1}{s} អនុគមន៍កាំជណ្តើរហេវីសាយ
 \delta (t)= \begin{cases} \infty \quad &(t=0)\\ 0 \quad &(t\neq 0) \end{cases} \, 1 អនុគមន៍ដែលតា
\alpha \, \frac{\alpha}{s}
\frac{d^n}{dt^n} \delta(t) \, s^n \,  \delta (t)\,: អនុគមន៍ដែលតា
e^{-{\alpha}t} \, \frac{1}{s+\alpha} \, អនុគមន៍អិចស្ប៉ូណង់ស្យែល
\, \delta (t) - {\alpha}e^{-{\alpha}t} \frac{s}{s+\alpha} \,  \delta (t)\,: អនុគមន៍ដែលតា
\frac{t^n}{n!} \, \frac{1}{s^{n+1}} \, n \,: ចំនួនគត់ធម្មជាតិ
\frac{e^{-{\alpha}t} - e^{-{\beta}t}}{\beta - \alpha} \, \frac{1}{(s+\alpha)(s+\beta)} \,
\frac{(a-\alpha)e^{-{\alpha}t} - (a-\beta)e^{-{\beta}t}}{\beta - \alpha} \, \frac{s+a}{(s+\alpha)(s+\beta)} \,
១០ \frac{1}{\alpha}\sin {\alpha}t \, \frac{1}{s^2+{\alpha}^2} \,
១១ \frac{1}{\alpha}\sinh {\alpha}t \, \frac{1}{s^2-{\alpha}^2} \,
១២ \cos {\alpha}t \, \frac{s}{s^2+{\alpha}^2} \,
១៣ \cosh {\alpha}t \, \frac{s}{s^2-{\alpha}^2} \,
១៤ te^{-{\alpha}t} \, \frac{1}{(s+\alpha)^2} \,
១៥ [(a - \alpha)t + 1]e^{{-\alpha}t} \, \frac{s+a}{(s+\alpha)^2} \,
១៦ \frac{1}{\beta}e^{-{\alpha}t}\sin {\beta}t \, \frac{1}{(s+\alpha)^2+{\beta}^2} \,
១៧ e^{-{\alpha}t}\sin {\beta}t \, \frac{\beta}{(s+\alpha)^2+{\beta}^2} \, {\beta}^2 > 0 \,
១៨ e^{-{\alpha}t}\cos {\beta}t \, \frac{s+\alpha}{(s+\alpha)^2+{\beta}^2} \, {\beta}^2 > 0 \,
១៩ \frac{1}{\beta}[(a-\alpha)^2 + {\beta}^2]^{\frac{1}{2}}e^{-{\alpha}t}\sin ({\beta}t+\varphi) \frac{s+a}{(s+\alpha)^2+{\beta}^2} \, \varphi =\tan^{-1}\frac{\beta}{a-\alpha} \,
២០ e^{-{\alpha}t}\sinh {\beta}t \, \frac{\beta}{(s+\alpha)^2-{\beta}^2} \,
២១ e^{-{\alpha}t}\cosh {\beta}t \, \frac{s+\alpha}{(s+\alpha)^2-{\beta}^2} \,
២២ \frac{1}{{\alpha}{\beta}}+\frac{{\beta}e^{-{\alpha}t}-{\alpha}{e^{{-\beta}t}}}{{\alpha}{\beta}(\alpha - \beta)} \frac{1}{s(s+\alpha)(s+\beta)} \,
២៣ \frac{a}{{\alpha}{\beta}} + \frac{a-\alpha}{{\alpha}(\alpha - \beta)}e^{-{\alpha}t} + \frac{a-\beta}{{\beta}(\alpha - \beta)}e^{-{\beta}t} \frac{s+a}{s(s+\alpha)(s+\beta)} \,
២៤ \frac{e^{-{\alpha}t}}{(\beta - \alpha)(\gamma - \alpha)} + \frac{e^{-{\beta}t}}{(\alpha - \beta)(\gamma - \beta)} + \frac{e^{-{\gamma}t}}{(\alpha - \gamma)(\beta - \gamma)} \frac{1}{(s+\alpha)(s+\beta)(s+\gamma)} \,
២៥ \frac{(a-\alpha)e^{-{\alpha}t}}{(\beta - \alpha)(\gamma - \alpha)} + \frac{(a-\beta)e^{-{\beta}t}}{(\alpha - \beta)(\gamma - \beta)} + \frac{(a-\gamma)e^{-{\gamma}t}}{(\alpha - \gamma)(\beta - \gamma)} \frac{s+a}{(s+\alpha)(s+\beta)(s+\gamma)} \,
២៦ \frac{1}{{\alpha}^2}(1 - \cos {\alpha}t) \, \frac{1}{s(s^2+{\alpha}^2)} \,
២៧ \frac{a}{{\alpha}^2} - \frac{(a^2 + {\alpha}^2)^{\frac{1}{2}}}{{\alpha}^2} \cos ({\alpha}t + \varphi) \frac{s+a}{s(s^2+{\alpha}^2)} \, \varphi = \tan^{-1}\frac{\alpha}{a} \,
២៨ \frac{t}{\alpha} - \frac{1}{{\alpha}^2}(1 - e^{-{\alpha}t}) \frac{1}{s^2(s+\alpha)} \,
២៩ \frac{a - \alpha}{{\alpha}^2}e^{-{\alpha}t} + \frac{a}{\alpha}t - \frac{\alpha - a}{{\alpha}^2} \frac{s+a}{s^2(s+\alpha)} \,
៣០ \frac{1 - (1 + {\alpha}t)e^{-{\alpha}t}}{{\alpha}^2} \, \frac{1}{s(s+\alpha)^2} \,
៣១ \frac{a}{{\alpha}^2} \{1 - [1 + (1 - \frac{\alpha}{a}){\alpha}t]e^{-{\alpha}t}\} \frac{s+a}{s(s+\alpha)^2} \,
៣២
  • \, {\omega}^2 > {\alpha}^2
\frac{1}{{\omega}^2}[1 - \frac{{\omega}_0}{\omega}e^{-{\alpha}t}\sin ({\omega}t + \varphi)]
  • \, {\omega}^2 = {\alpha}^2
\frac{1}{{\omega}^2}[1-e^{-{\alpha}t}(1+{\alpha}t)]
  • \,{\omega}^2 < {\alpha}^2
\frac{1}{{\omega}^2}[1 - \frac{{\omega}^2_0}{n-m}(\frac{e^{-mt}}{m} - \frac{e^{-nt}}{n})]
\frac{1}{s(s+2{\alpha}s+{\omega}^2_0)} \, \begin{align}\varphi &= \tan^{-1}\frac{\omega}{\alpha}\\ {\omega}^2 &= {\omega}^2_0-{\alpha}^2 \end{align}


\, m និង \, n ជារឹសនៃសមីការ
\, s^2+2{\alpha}s+{\omega}^2_0 = 0

[កែប្រែ] សូមមើលផងដែរ

ឧបករណ៍ផ្ទាល់ខ្លួន

អថេរ
សកម្មភាព​
ទិសដៅ
សហគមន៍
បោះពុម្ព​/នាំចេញ​
ប្រអប់​ឧបករណ៍