Операционное исчисление. - 21 стр.

UptoLike

ôÁÂÌÉÃÁ ÎÅËÏÔÏÒÙÈ ÉÚÏÂÒÁÖÅÎÉÊ É ÉÈ ÏÒÉÇÉÎÁÌÏ× 21
ôÁÂÌÉÃÁ ÎÅËÏÔÏÒÙÈ
ÉÚÏÂÒÁÖÅÎÉÊ É ÉÈ ÏÒÉÇÉÎÁÌÏ×
éÚÏÂÒÁÖÅÎÉÅ F (p) ïÒÉÇÉÎÁÌ f(t)
1
1
p
1
2
a
p
2
+a
2
sin at
3
p
p
2
+a
2
cos at
4
1
p+α
e
αt
5
α
p
2
α
2
sh αt
6
p
p
2
α
2
ch αt
7
a
(p+α)
2
+a
2
e
at
sin αt
8
p+α
(p+α)
2
+a
2
e
at
cos αt
9
n!
p
n+1
t
n
10
2pa
(p
2
+a
2
)
2
t sin at
11
p
2
a
2
(p
2
+a
2
)
2
t cos at
12
1
(p+α)
2
te
αt
13
1
(p
2
+a
2
)
2
1
2a
3
(sin at at cos at)
14
n!
(pα)
n+1
t
n
e
αt
15
π
2
arctg
p
a
sin at
t
16
e
α
p
p
1
πt
e
a
2
4t
17
1
p
e
p
sin
p
1
πt
sin
1
2t
18
1
p
e
p
cos
p
1
πt
cos
1
2t
19 (1)
n
d
n
dp
n
F (p) t
n
f(t)
20 F
1
(p) ·F
2
(p)
t
R
0
f
1
(τ)f
2
(t τ)
÷ÅÚÄÅ × ÔÁÂÌÉÃÅ n N, a R, α R.
ôÁÂÌÉÃÁ ÎÅËÏÔÏÒÙÈ ÉÚÏÂÒÁÖÅÎÉÊ É ÉÈ ÏÒÉÇÉÎÁÌÏ×                       21

                ôÁÂÌÉÃÁ ÎÅËÏÔÏÒÙÈ
           ÉÚÏÂÒÁÖÅÎÉÊ É ÉÈ ÏÒÉÇÉÎÁÌÏ×
                éÚÏÂÒÁÖÅÎÉÅ F (p)       ïÒÉÇÉÎÁÌ f (t)
                              1
            1                 p
                                                     1
                              a
            2              p2 +a2
                                                 sin at
                              p
            3              p2 +a2                cos at
                             1
            4               p+α                   e−αt
                              α
            5              p2 −α2                sh αt
                              p
            6              p2 −α2                ch αt
                            a
            7           (p+α)2 +a2            e−at sin αt
                           p+α
            8           (p+α)2 +a2            e−at cos αt
                             n!
            9               pn+1                     tn
                             2pa
           10             (p2 +a2 )2            t sin at
                           p2 −a2
           11             (p2 +a2 )2
                                                t cos at
                              1
           12              (p+α)2
                                                 te−αt
                              1         1
           13             (p2 +a2 )2   2a3 (sin at   − at cos at)
                           n!
           14           (p−α)n+1                 tn eαt
           15       π
                    2   − arctg ap                sin at
                                                     t
                               √
                                p                     a    2
           16              e−α
                            √                   √1 e− 4t
                              p                  πt
                           √  √
           17      √1 e   − p
                           sin p               √1    sin 2t1
                     p                          πt
                        √     √
           18      √1 e− p cos p               √1    cos 2t1
                     p                          πt
                                  n
                         d
           19      (−1)n dp n F (p)              tn f (t)
                                       Rt
           20      F1 (p) · F2(p)           f1(τ )f2(t − τ ) dτ
                                        0

                 ÷ÅÚÄÅ × ÔÁÂÌÉÃÅ n ∈ N, a ∈ R, α ∈ R.