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Question
对一个函数\(f(t)\)做拉普拉斯变换,可以将其从实数域(\(t\))转换到复数域(\(s\)),它的定义为[...]
Answer

\(\displaystyle {\mathcal {L}}[f(t)]=F(s)=\int _{0}^{\infty }f(t)e^{-st}\,\mathrm {d} t\)

其中,\(s=\sigma +i\omega\)\(\sigma\)\(\omega\)为实数
- 积分下限从0开始,从控制工程的角度来讲,不需要去研究时间0点之前的事情,而是把这部分留给哲学家


Question
对一个函数\(f(t)\)做拉普拉斯变换,可以将其从实数域(\(t\))转换到复数域(\(s\)),它的定义为[...]
Answer
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Question
对一个函数\(f(t)\)做拉普拉斯变换,可以将其从实数域(\(t\))转换到复数域(\(s\)),它的定义为[...]
Answer

\(\displaystyle {\mathcal {L}}[f(t)]=F(s)=\int _{0}^{\infty }f(t)e^{-st}\,\mathrm {d} t\)

其中,\(s=\sigma +i\omega\)\(\sigma\)\(\omega\)为实数
- 积分下限从0开始,从控制工程的角度来讲,不需要去研究时间0点之前的事情,而是把这部分留给哲学家

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Definition of Laplace Transform
对一个函数\(f(t)\)做拉普拉斯变换,可以将其从实数域(\(t\))转换到复数域(\(s\)),它的定义为 \(\displaystyle {\mathcal {L}}[f(t)]=F(s)=\int _{0}^{\infty }f(t)e^{-st}\,\mathrm {d} t\) 其中,\(s=\sigma +i\omega\),\(\sigma\)和\(\omega\)为实数 - 积分下限从0开始,从控制工程的角度来讲,不需要去研究时间0点之前的事情,而是把这部分留给哲学家

Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

Details

No repetitions


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