. , .
( ).
:
- : , ;
- SNMPc Management Console;
- ;
, , .
. , , , , . Rohde & Schwarz.
, . 11 2012 777 .
11 2012 .
.
, , .
.
.
-.
.
.
- .
|
|
5IF iDirect INFINITI VSAT
( () ) ( ) . 18.2/ 1 /. 4.2 /. , .
iDirect Remote Satellite Router series 3100, IS-904 HUB iDirect iNFINITY 5IF, . . Ku (14/11 ). . . .
iDirect Remote Satellite Router series 3100 , IP, TCP/HTTP , , QoS .
iDirect Remote Satellite Router series 3100 2- (IDU) (ODU) . , , (FEC) . .
, , . MF-TDMA , IP. MF-TDMA ( IP) . IP/TCP/UDP. :
;
;
;
.
1945 , , ( -), (Extra-Terrestrial Relays), Wireless World, . , , . . 35,784 . , , , . , .
, .
|
|
12 1960 NASA Bell Laboratories (AT&T) Echo-1, , -. 11 1962 AT&T Telstar-1, . 1963 Syncom (Synchronous Communications Satellite), .
6 1965 Intelsat (International Telecommunication Satellites) Intelsat Early Bird, 240 . Anik A 9 1972 Delta . Hughes Aircraft Company ( Boeing) Telesat Canada , . 12 7000 12 . , , .13 1974 WESTAR-I, Western Union. Anik A. WESTAR-I 75- HBO . .
60- . . -1 23 1965 . , 40 500 . 64.4 . 10 , 3 . 40 . 800-1000 .
1980 . , (40-) 4 , .
26 1976 . --10, --1. 10 1 , 6-7 2-2.5 . , .
, , . 1990 . , 12 , 80 .., . , Ku-.
1000 . .
. - . . .
|
|
, :
һ
. NV8304E, DVB-T/T2 Rohde&Schwarz. .
, DVB-T2 DVB-T .
, , DVB-T DVB-T2 , , .
DVB-T | DVB-T2 |
64QAM, 8, FEC =3/4, D=1/32 27 /c | 64QAM, 8, FEC =3/4, D=1/32 32,2 /c |
256QAM, 32k, FEC 2/3 D=1/128 40,2 /c. |