, t s: t<2s. "" f(t), "" (. 2.30)
`f(t)= c f(t), tÎ[0,¥]
`f(t)º0, tÎ(-¥,0)
c
, (0, t0), t0>0,
`t `s2 t s2 c:
`t=t+1s,
`s2= s2(1-12-1×t×1/s)
1= (c×exp{- /2s2 }/ .
, t s: t/s > 2-3
: |
. , t
, t s: t<2s. "" f(t), "" (. 2.30) `f(t)= c f(t), tÎ[0,¥] `f(t)º0, tÎ(-¥,0) c , (0, t0), t0>0,
`t `s2 t s2 c: `t=t+1s, `s2= s2(1-12-1×t×1/s) 1= (c×exp{- /2s2 }/ . , t s: t/s > 2-3
: 2015-05-08; !; : 874 | : : !
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