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. , .
– , , , .
,
– ;
– ;
– .
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(, , ), .
s(t), t : . min max min max( ; ); ( ; )s S S t t t
( . discretus – , ) , , , , , .
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t – ;
– , .
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s(nt),
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) .
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, , .
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t
s(t)
0
, , .
, .. ó .
t
.
- () , ( ) .
( ) sin( )mu t U t
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- s(t) t, .
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; ; .
s(t) .
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ω1 = 2π/T – () s(t); T
– ; an, bn – ,
s(t) ,
,
1 1
n n mn n
n n
a a s t a n t b n t A n t
1
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2 2
mn n nA a b tgψ /n n nb a - n- ;
0
2
n = 0; 1; 2;… - ().
, Amn,
nω1, ω1, .
.
(n = 1), (ω1 ),
. (, ..)
, n ω: ω2 = 2ω1; ω3 = 3ω1; … ωn = nω1.
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.