Which of the following is the correct inverse Laplace Transform of 𝑋 ( 𝑠 ) = 2 𝑠 + 1 𝑠 2 + 2 𝑠 + 5 ?单项选择题

A

𝑒 − 2 𝑡 [ 1 2 𝑐 𝑜 𝑠 ( 𝑡 ) − 2 𝑠 𝑖 𝑛 ( 𝑡 ) ] 𝑢 ( 𝑡 )

B

𝑒 − 𝑡 [ 2 𝑐 𝑜 𝑠 ( 2 𝑡 ) − 1 2 𝑠 𝑖 𝑛 ( 2 𝑡 ) ] 𝑢 ( 𝑡 )

C

𝑒 − 2 𝑡 [ 2 𝑐 𝑜 𝑠 ( 𝑡 ) + 1 2 𝑠 𝑖 𝑛 ( 𝑡 ) ] 𝑢 ( 𝑡 )

D

𝑒 − 𝑡 [ 2 𝑐 𝑜 𝑠 ( 2 𝑡 ) + 1 2 𝑠 𝑖 𝑛 ( 2 𝑡 ) ] 𝑢 ( 𝑡 )

E

𝑒 − 2 𝑡 [ 2 𝑐 𝑜 𝑠 ( 𝑡 ) − 1 2 𝑠 𝑖 𝑛 ( 𝑡 ) ] 𝑢 ( 𝑡 )

F

𝑒 − 𝑡 [ 1 2 𝑐 𝑜 𝑠 ( 2 𝑡 ) − 2 𝑠 𝑖 𝑛 ( 2 𝑡 ) ] 𝑢 ( 𝑡 )

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

Select the correct impulse response of the following system:

Which of the following is true of the Laplace transform variable, s:

Using the Laplace transform table in the video (data sheet), the Laplace transform of is:

Find 𝐿 { 7 sin 2 ⁡ ( 2 𝑡 ) }  

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！