Материал: 3936

11

20

2s

3s −1

W (s) =

,

W (s) =

.

(s +1)(s2 −1)

2s2 +8s +1

21

12

,

4s

W (s) =

W (s) =

.

2s2 +5s +1

(s +2)(s2 +1)

22

W (s) =

s +1

,

W (s) =

24

s2 +4s +1

2s2 +4s +1

23

13s

6s −1

W (s) =

,

W (s) =

.

(s +1)(s −5)

4s2 +5s +1

24

2

,

2s

W (s) =

W (s) =

.

7s2 +8s +1

(s +2)(s2 +1)

25

4s +1

2s

W (s) =

,

W (s) =

.

s2 +9s +10

s2 +5s +16

3.3 По заданным изображениям Y(s) получить оригиналы y(t), используя

преобразование Лапласа

1

Y (s) =

3s +5

;

s2 −s +2

Y (s) =

.

(s −2)(s +4)

2

(s2 −4s −2)

0.16

8(3s +1)s

Y (s) =

;

Y (s) =

.

3

s(s +16)

(s +1)(s +3)

Y (s) =

5(4s +1)

;

Y (s) =

6s(s +1)

.

4

s(s +1)

(3s +1)(4s +1)

Y (s) =

10

;

Y (s) =

(3s +1)

2

.

(s

2

+5s +5)

5

(5s +1)(s +1)

Y (s) =

6s +1

;

Y (s) =

5(s +1)

.

(4s +1)(s +1)

(3s +1)(3s +1)

6

Y (s) =

5(3s +1)

;

Y (s) =

5s(s +1)

.

(s +1)(4s +1)

(6s +1)(9s +1)

7

5(4s +1)

s −4

Y (s) =

;

Y (s) =

.

s2 +4s −5

(s2 +3s +2)

8

2s −1

;

10

.

Y (s) =

Y (s) =

(s −1)(s −2)

s(s −1)

9

Y (s) =

6s +1

;

Y (s) =

(2s +1)s

.

(s +1)(4s +1)

(s +1) (2s +1)