
Jaringan Nirkabel - Pertemuan 5
Authored by Waeisul Bismi
Computers
University
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gelombang mengikuti bentuk lengkung bumi. Sifat perambatan surface wave dipengaruhi oleh konduktifitas dan konstanta dielektrik bumi.
Gelombang Radio
Amplitudo
Gelombang langsung
Gelombang Permukaan
Spektrum gelombang elektromagneti
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gelombang diterima setelah dipantulkan oleh permukaan bumi. Gelombang radio akan saling menghilangkan bila direct wave dan ground reflected wave bertemu dan berbeda fasa 180 derajat
Gelombang Radio
Amplitudo
Gelombang Pantulan tanah
Gelombang Permukaan
Spektrum gelombang elektromagnetik
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
lapis yang paling bermanfaat untuk komunikasi jarak jauh…
Lapis F
Lapis F2
Lapis f3
Lapis f4
Lapis f5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
penguatan sinyal dari pemusatan pancaran frekuensi radio. Gain di tetapkan dalam satuan dBi, yang berarti decibel direferensikan ke sebuah radiator isotropic…
Polarisasi
Gain
Beamwidth
Bandwidth
Signal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penyempitan atau pemusatan pada antena meningkatkan penguatan yang dimiliki antena.
Polarisasi
Gain
Beamwidth
Bandwidth
Signal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
terbentuk hanya pada siang hari, bersifat meredam gelombang radio HF dan hanya sedikit pengaruhnya dalam membelokkan gelombang kembali ke bumi.
Lapis F
Lapis E
Lapis D
Lapis F2
Lapis F1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
langsung dari antena pemancar ke antena penerima, jarak terbatas pada LOS (Line of Sight), untuk mencapai jarak lebih jauh ketinggian antenna pemancar atau penerima atau kedua-duanya perlu ditambah.
Gelombang Radio
Amplitudo
Gelombang langsung
Gelombang Permukaan
Spektrum gelombang elektromagnetik
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