INTERPRETASI metode VLF dalam kehidupan sehari hari
1. KELOMPOK
4
MUHAMMAD YUWANDA F1D319003
MUHAMMAD RIFQI F1D319006
ARDINITA DWI PRADAISY F1D319008
SALOMO SITUMORANG F1D319012
AMELIA FITRI RAHMADANI F1D319017
RAYVALDO SEPRIYENRA F1D318021
2. TAHAP PENGOLAHAN DATA : TILT MODE
- Plot semua data lapangan kedalam Ms. Excel
- Lalu cari nilai rata-rata untuk Tilt, Ellips, A.Sinyal dan Kuat Sinyal
3. Freku
ensi
No Nama
Titik
Ja
ra
k
Tilt
(%)
Ellips
(%)
H
hor
(µA/
m)
H
ver
(µA/
m)
Arah
Jam
Qb
ar
19800 1 T0 0 -2 4 2 27
2 T1 10 2 13 2 13
3 T2 20 0 13 2 0
4 T3 30 -3 13 2 17
5 T4 40 -2 12 2 47
6 T5 50 -4 12 2 3
7 T6 60 -6 12 2 38
8 T7 70 -7 12 2 13
9 T8 80 -8 12 2 70
10 T9 90 -9 11 2 57
11 T10 100 -17 10 2 50
12 T11 110 -16 5 2 58
13 T12 120 -17 -2 2 47
14 T13 130 -17 6 2 43
15 T14 140 -14 11 2 57
16 T15 150 -17 10 2 63
17 T16 160 -14 11 2 80
18 T17 170 -16 16 2 77
19 T18 180 -20 14 2 90
-Buat sheet baru, masukkan
data seperti pada gambar
disamping
-Lalu pindahkan nilai rata-
rata Jarak, Tilt dan Ellips
yang telah dicari
sebelumnya
Untuk data Arah Jam dan
Qbar
-merupakan data hasil
lapangan
4. MA
Jarak
MA
Tilt
MA
Ellips
10 0 10.11
20 0 13.00
30 -2 12.67
40 -3 12.33
50 -4 12.00
60 -6 12.00
70 -7 12.00
80 -8 11.67
90 -11 10.89
100 -14 8.67
110 -17 4.33
120 -17 3.22
130 -16 5.00
140 -16 9.11
150 -15 10.56
160 -16 12.44
170 -16 13.67
Moving Average Filter
digunakan untuk memperhalus data
terukur. Filter ini dapat dipilih
menyesuaikan data
- Kemudian lakukan Filtering nilai
Jarak, Tilt dan Ellips
Contoh :
MA Jarak (2) = (Jarat T0+Jarak T1+Jarak T2) / 3
(diambil tiap 3 data)
Nilai titik perhitungan ada di tengah-tengah data
yang dirata-ratakan
5. Jarak Fraser
Contoh :
Jarak Fraser T1= MA Jarak (T1+T2+T3+T4) / 4
Jarak Fraser T2= MA Jarak (T2+T3+T4+T5) / 4
atau dengan menggunakan formula
AVERAGE pada ms. Excel
- Lakukan sampai data T18, hitung sesuai
dengan rumus yang sebelumnya
7. Nilai RAE
KHn = Nilai Karous-Hjelt terhitung Hn =
data pada titik ke n (MA Tilt)
Perhatikan batas atas dan batas bawah
datanya
Contoh :
=0.102*M4-0.059*M5+0.561*M6-
0.561*M8+0.059*M9-0.102*M10
9. Grafik Jarak, Tilt, dan Ellips
Sebelum Moving Average
- Buat Grafik dengan memasukkan nilai
Jarak, Tilt dan Ellips
10. Grafik Jarak, Tilt, dan Ellips Setelah
Moving Average
- Buat Grafik dengan memasukkan nilai
MA Jarak, MA Tilt dan MA Ellips
11. Grafik Perbandingan Tilt, Ellips
dan Fraser
- Masukkan nilai Tilt, Ellips dan
Fraser untuk mengetahui grafik
perbandingan antara ketiga data
tersebut
12. penampang pada frekuensi jepang
Hasil dari pengukuran VLF kavling dapat dilihat pada
gambar. pada gambar merupakan hasil dari frekuensi
2 yang menggunakan pemancar gelombang VLF dari
Jepang (22200). Terlihat bahwa daerah yang memiliki
konduktivitas tinggi adalah di titik tengah pengukuran
yaitu berkisar antara 80-100 m dengan kedalaman 10-
20 m dengan nilai 1-7 terdapat batuan konglomeratan..
Pada jarak 110-130 m anomali konduktivitas menjadi
sangat rendah yakni -1 s/d -13 terdapat batuan
metapelite.
konduktivitas adalah kemampuan suatu bahan untuk
menghantarkan arus listrik. Setelah di korelasikan,
daerah dengan konduktivitas tinggi masuk kedalam
formasi kasai. Sedangkan daerah dengan
konduktivitas rendah masuk kedalam formasi
mengkarang. Semakin tinggi nilai RAE maka nilai
konduktivitas batuan semakin tinggi.
INTERPRETASI
14. MERCURY
Mercury is the closest
planet to the Sun
VENUS
Venus is the second
planet from the Sun
JUPITER
Jupiter is the biggest
planet of them all
SATURN
It’s composed of
hydrogen and helium
MARS
Mars is actually a very
cold place
SOMETIMES, REVIEWING CONCEPTS IS A
GOOD IDEA
NEPTUNE
It’s the farthest planet
from the Sun
20. 9h 55m 23s
is Jupiter's rotation period
333,000.000
earths is the Sun’s mass
386,000 km
is the distance between Earth and the Moon
21. LET’S USE SOME PERCENTAGES
MERCURY
It’s the closest planet to
the Sun and the smallest
one in the Solar System
VENUS
Venus has a beautiful
name and is the second
planet from the Sun
MARS
Despite being red, Mars is
actually a cold place. It’s
full of iron oxide dust
25% 50% 75%
23. TABLET APP
You can replace the image on
the screen with your own work.
Just right-click on it and select
“Replace image”
24. MOBILE WEB
You can replace the image on
the screen with your own work.
Just right-click on it and select
“Replace image”
25. OUR TEAM
TINA
JANE
You can speak a bit
about this person
here JENNA
DOE
you can speak a bit
about this person
here
26. LOCATE YOUR
BUSINESS
VENUS MARS
MERCURY
It has a beautiful name,
but it’s terribly hot
Despite being red,
Mars is a cold place,
not hot
Mercury is the closest
planet to the Sun
27. A TIMELINE ALWAYS WORKS
FINE
VENUS
MARS
Venus is the second
planet from the Sun
Despite being red,
Mars is a cold place
SATURN
Saturn is a gas
giant and has
several rings
28. INFOGRAPHICS MAKE YOUR IDEA
UNDERSTANDABLE…
VENUS
Venus is the
second planet
from the Sun
Mars is
actually a
cold place
MARS
29. …AND THE SAME GOES FOR
TABLES
JAN FEB MAR APR
X
X X
X X X
30. YOU CAN USE THIS GRAPH
Follow the link in the graph to modify its data and then paste the new one here. For more
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SATURN
It’s composed of
hydrogen and helium
MARS
Mars is actually a very
cold place
31. …OR THIS OTHER GRAPH
Follow the link in the graph to modify its data and then paste the new one here. For more
info, click here
24% 89% 36% 24% 12% 37%
VENUS
Venus is the second
planet from the Sun
JUPITER
Jupiter is the biggest
planet of them all
50% 60%
32. ABOUT YOUR TARGET
HOBBIES NATIONALITY
7% 5% 5% 50% 33%
FOREIGN
THIS COUNTRY
Mercury is the closest planet to the Sun and the
smallest one in the Solar System
Despite being red, Mars is
actually a cold place
MEN
Neptune is far away from Earth
40%
WOMAN
Mars is actually a very cold
place
60%
33. ANNUAL GRAPHIC REPORT
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Product 1
Product 2
PRODUCTS
Mercury is the closest planet to the Sun and the smallest one
in the Solar System
34. PROJECTS CALENDAR
10 15 20 25 30
0
January
February
March
April
May
June
PROJECTS
Venus has a beautiful
name and is the second
planet from the Sun
Project 1
Project 2
Project 3
Project 4
35. PIE CHART
VENUS
Venus is the second planet
from the Sun
MARS
SATURN
Saturn is a gas giant and
has several rings
Despite being red, Mars is
a cold place
20%
30%
30%
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