penurunan pers. maxwell 1
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Induksi mutan positif di permukaan tanah
Beda PotensialPelepasan muatan/ Sambaranpetir
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per tahun, di Cibinong
Arus petir 30-80 kA, pernah terdeteksi sampai 300 kA, dengan energisatu kali sambaran k!h " #$000# 3%00 !s " $&8 '(
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88
Sistem TenagaElektrik
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)enerator *lektrik)enerator *lektrik
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'otor *lektrik'otor *lektrik
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Transformator
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Transformator Daya
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Sistem +omunikasiSistem +omunikasi
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Sistem +omunikasiSistem +omunikasi
SatelitSatelit bagian penting .aitu bagian penting .aitu space segmentspace segment bagian .ang berada di angkasa danbagian .ang berada di angkasa dan groundground
segmentsegment biasa disebut stasiun bumi1biasa disebut stasiun bumi1
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'etalli2 dei2e as a rod or 4ire for radiating or'etalli2 dei2e as a rod or 4ire for radiating orre2eiing radio 4aes1 5!ebster6s di2tionar.1re2eiing radio 4aes1 5!ebster6s di2tionar.1
A means for radiating or re2eiing radio 4aes1 5 I***A means for radiating or re2eiing radio 4aes1 5 I***An antenna is a dei2e that proides a means forAn antenna is a dei2e that proides a means for
radiating or re2eiing radio 4aes1 In other 4ords, itradiating or re2eiing radio 4aes1 In other 4ords, itproides a transition from a guided 4ae on aproides a transition from a guided 4ae on a
transmission line to a 7free-spa2e 4ae, and i2etransmission line to a 7free-spa2e 4ae, and i2eersa in the re2eiing 2ase1ersa in the re2eiing 2ase1
!hat is an antenna9!hat is an antenna9
:ransmission line ;ree spa2e
Antenna
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:.pe= 8#$ arra. of multiple
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;re
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;re< band/ )ain= %0'>? @/- 3 )ain=0dB
Polari?ation= Jerti2al
Impedan2e= 0 Khm
*D2ien2.= E8
:.pe= # Arra. of -element
Lagi-Mdas
Fo2ation= G000 Fa (olla S2eni2
Hr1
Himensions= 2m Hire2tor
Purpose= >igh performan2e
FAN
bl li l
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;re< band/ )ain= 300'>? B!=, )$8dB
Polari?ation= Cir2ular
Impedan2e= $3G Khms
*D2ien2.= &%
:.pe= Houble >eli2al Antenna
Fo2ation= SPA!AO Point Foma
Himensions= N8turns
C"$1m
Purpose= Naal
Communi2ations
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AntennasAntennas
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:.pes of Antennas, II :.pes of Antennas, II Aperture antennasAperture antennas
Coni2al >orn Antenna
P.ramidal >orn Antenna
>orn Antenna is a t.pe ofaperture antenna
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:.pes of Antennas, III :.pes of Antennas, III 'i2rostrip antennas'i2rostrip antennas
Cir2ular Pat2h
Oe2tangular Pat2h
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:.pes of Antennas, JII :.pes of Antennas, JII
Fens antennasFens antennas
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Importan2e ofImportan2e of
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Importan2e ofImportan2e of
*le2tromagneti2s*le2tromagneti2s
ElectromagneticsElectromagnetics
BiomedicalEngineering& BioTech
WirelessComm. &Propagation
Physics BasedSignalProcessing &Imaging
ComputerChip Design& Circuits
Lasers &ptoelectronics
!E!S &!icro"a#eEngineering
$CS %nalysisDesign %T$& StealthTechnology
%ntenna%nalysis &Design
E!C'E!I%nalysis
$emoteSensing &Su(sur)aceSensing & *DE
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>+1 )AMSS>+1 INHM+SI ;AOAHAL
>+1 IN:*)OAF A'P*O* '*N(*FAS+AN >MBMN)AN AN:AOA '*HANFIS:OI+ HAN 'A)N*: , BIFA AHA AOMS '*HANB*OMBA> !A+:M
>MBMN)ANNLA HAFA' B*N:M+ IN:*)OAF HANHI;O*NSIAF
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P t S tP t S t
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Parameter SatuanParameter Satuan
SimbolSimbol +eterangan+eterangan SatuanSatuan
** 'edan listrik'edan listrikJoltJolt
metermeter
>> 'edan magnet'edan magnetAmpereAmpere
metermeter
BB Oapat uks magnetikOapat uks magnetik!eber!eber
meter persegimeter persegi
HH Oapat uks listrikOapat uks listrikCoulombCoulomb
meter persegimeter persegi
Oapat muatanOapat muatanolumeolume
CoulombCoulomb
meter kubikmeter kubik
( ( Oapat arusOapat arusAmpereAmpere
meter persegimeter persegi
v ρ
Changing 'agneti2 ;ieldChanging 'agneti2 ;ield →→
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Changing 'agneti2 ;ieldChanging 'agneti2 ;ield →→ Current and JoltageCurrent and Joltage
Current
Animate this!
N S
B, H
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;arada.6s Fa4;arada.6s Fa4
VLOOP = -∫ E.dl
Φmagnetic = total magnetic “flux = ∫∫ B.ds
ara"a#$s La% & 'ate of change of magnetic flux through a loo(
= emf )*oltage+ aroun" the loo(
B, H
N S
∫ ∫ ∂∂
−= L S
ds Bi
dl E ..
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P*OS )*FK'BAN) *'
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P*OS1 )*FK'BAN) *'P*OS1 )*FK'BAN) *'
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Sketsa gelombang elektromagnetik
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