Xem mẫu
- Chöông 4
MOÂI TRÖÔØNG TRUYEÀN DAÃN
- NvHien - PTITHCM
Transmission media
Guided (Conducted) Unguided (Wireless)
Twisted-pair Coaxial Fiber-optic
cable cable cable
- NvHien - PTITHCM
1. Caùp kim loaïi xoaén ñoâi
Caáu taïo
- NvHien - PTITHCM
1. Caùp kim loaïi xoaén ñoâi
Caáu taïo
- NvHien - PTITHCM
1. Caùp kim loaïi xoaén ñoâi
Côõ daây daãn
- NvHien - PTITHCM
1. Caùp kim loaïi xoaén ñoâi
Ñaëc tính
- NvHien - PTITHCM
4.1. Caùp kim loaïi xoaén ñoâi
Ñaëc tính
- NvHien - PTITHCM
1. Caùp kim loaïi xoaén ñoâi
Ñaëc tính
Doøng ñieän toång hôïp
Doøng ñieän xoaùy
Doøng ñieän chính
- NvHien - PTITHCM
2. Caùp ñoàng truïc
Caáu taïo
- NvHien - PTITHCM
3. Caùp quang
Caáu taïo
plastic jacket glass or plastic
cladding fiber core
- NvHien - PTITHCM
3. Caùp quang
Caáu taïo
- NvHien - PTITHCM
3. Caùp quang
Phaân loaïi sôïi
- NvHien - PTITHCM
4. voâ tuyeán
Phoå soùng voâ tuyeán
- NvHien - PTITHCM
4. voâ tuyeán
Truyeàn daãn veä tinh
satellite
transponder
dish dish
22,300 miles
uplink station downlink station
- NvHien - PTITHCM
4. voâ tuyeán
Suy hao khoâng gian töï do
- NvHien - PTITHCM
4. voâ tuyeán
Coâng suaát böùc xaï ñaúng höôùng - EIRP
(effective isotropically radiated power)
nguon tai.lieu . vn