..
321.395.34 681.324
47
..
47 . - .: , 2011.-298.
ISBN 978-5-88161-323-5
-. : .25, FR, ATM, PPP, ISDN, PDH, SDH, WDM, IP MPLS. , , , , . .
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: " ", " " , . , , , , , . , , .. , , .
32.881
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ISBN 978-5-88161-323-5 .., 2011
, , : " " , , " ", ( 1997 .) " " (). ( ) : " (Data Networking)", " SDH (SDH Basics)", " SDH (SDH Basics and fiber optics technology)", SDH WDM (SDH & WDM Traffic Network Planning)", "Ericsson" (), - () (). ( ) .
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" " 11 . 12- ( IP) . 48-64 .
1997 . " SDH" ("-"), : , PDH SDH. (1997-1999) "-" , .
2000 2003 . " " " ". , PDH SDH, ATM, SONET, WDM : , , , . . , (1992-2002) , , , (), GTS (Global Telesystems Group) Andrew Corp. (), .
" ...". , , , , . " " : , , , .
, (, ), "Ericsson" ( , - ), Fullerton (California) Morris (Minnesota) .
, , , (. ) : .25, FR, ATM, , ISDN, PDH, SDH, WDM, IP MPLS, .
, , , , - , , . , : "- , " (.: , 2005).
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, 2011 .
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1
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2
..........................................................................25
3
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4
.25.................................................................71
5
Frame Relay......................................................................93
6
ATM.........................................................................................................117
7
ISDN................................................. ..... 147
8
PDH..................................................................................................165
9
(SDH)...........................................................181
10
- WDM........................................ 201
11
.......................................................................................................225
12
IP..................................................247
充289
1
-
, ( ) , , .
, , ( ) :
- , ; .. - :
- , , ;
- ; ;
- , () ():
- , (.1-1).
.1-1, : , ,
( ). - , - . :
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- - ;
- - , .
.1-1. - ,
1.1.2. :
- , , ., , (1837). .. , , .. , ., 5- - (1875).
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(1924-28), , fc 2 fc / , - () g*(t) = sin(2pfct)/(2pfct). (
() fc) . 1-2. -
g*(t) n/2fc, n =1,2,3..., , 2fc /, .
.1 -2. , g(t) -
2fc , , . g*(t) sinc(2pfct). .
- , g(t).
g(t) wc (wc=2pfc) . S(w) (- wc, wc) , , , .. tk=kΔt, (1933):
. (1 -1)
(1-1) - (. 1-3) () (. 1-3), g(t) . (.1-3) , (.1-3).
, 1, 0., , , .
g(t) T, m fc: , .. . , , , .