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Alexander Yosep Elake
323840
METODE GROUND PENETRATINGRADAR (GPR)
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Prinsip Dasar GPR
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Prinsip Kerja GPR
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Koefsien Reeksi
Koefsien reeksi !R) didefnisikan se"a#aiper"andin#an ener#i $an# dipan%&lkan dan ener#i $an#da%an#
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ons an a e e r re a an ecepa angelombang radio pada material alami dan
material buatan manusia
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'kin Dep%('&a%& "esaran $an# en$a%akan
kedalaan pada s&a%& edi& (oo#endiana apli%&do #elo"an#elek%roa#ne%ik pada kedalaan i%& %ela(
"erk&ran# en*adi +,e
- skin dep%( !)r- kons%an%a dielek%rik rela%i.
- kond&k%i/i%as %ana(,a%erial
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Pera"a%an #elo"an# dariTransi%%er en&*& Reei/er
1ak%& %ep&( Gelsepan*an# lin%asan
Den#an *arak r !dalatwo-way travel time)
aka
'e(in##a ak%&%ep&( ose% en*adi
'edan#kan &n%&k %!x)
diperole( den#an
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3 odel &n%&k eperole( da%aden#an s&r/ei GPR 5
Radar Refection ProlingWie Angel Refection an Re!raction
!1ARR) a%a& "ommon-mi#oint !6MP)
1AR
R
6MP
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Perosesan Da%a
Tran$ill%mination
'elaa 7ase Ak&isisi
'e%ala( 7ase Ak&isisi
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Teknik n%erpre%asin%erpre%asi Grafk
T1T - Kedalaan9 Pe%a T1T dapa%en&n*&kkan
kedalaan9 ke%e"alan perlapisan dllAnalisa K&an%i%a%i.
Kedalaan in%erpre%asi sin$al9 kedalaan%ar#e% a%a& reek%or "er#an%&n# pada
/arias kons%an%a dielek%rik rela%i. %ar#e%$an# dilal&i sin$al
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Pen##&naan aplikasi s&r/ei GPR(ar&s eper(a%ikan "e"erapa (al
&ate Time Ringing
"ro$$ "o%#ling
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:arak an%ena den#an %ana(
Da%a :arak An%ena den#an %ana( den#an"er"a#ai /ariasi peri%i/i%as
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6on%o( Pen##&naan Me%odeGPR
Penafsiran Struktur Geologi BawahPermukaan di Kawasan Semburan
Lumpur Sidoarjo, BerdasarkanPenampang Ground Penetrating Radar(GPR)
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Teria Kasi(