?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERBANDINGAN+PROFIL+TEKNIS+BAHAN+ARANG+KELAPA+DAN%0D%0AALUMUNIUM+SEBAGAI+RADAR+ABSORBING+MATERIAL+UNTUK%0D%0A%0D%0APESAWAT+TANPA+AWAK+SILUMAN&rft.creator=ADHYAKSA+DWI+OKTAVIAN%2C+1755031006&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Prinsip+kerja+radar+secara+sederhana+dapat+digambarkan+sebagai+sebuah%0D%0Aperangkat+yang+melalui+antenanya+meradiasikan+gelombang+elektromagnetik%0D%0Adengan+frekuensi%2C+arah%2C+dan+polaritas+tertentu.+Ketika+gelombang+tersebut%0D%0Amenabrak+suatu+benda%2C+akan+ada+gelombang+yang+memantul+kembali+menuju%0D%0Aantena+radar.+Gelombang+inilah+yang+digunakan+radar+untuk+mendeteksi+suatu%0D%0Aobjek.+Agar+tidak+terdeteksi+oleh+radar%2C+objek+harus+bisa+menyerap+seluruh+atau%0D%0Ahampir+seluruh+gelombang+yang+datang+dan+tidak+memantulkannya+kembali%0D%0Amenuju+antena+radar.+Untuk+itulah+dibutuhkan+bahan+pelapis+yang+bertugas+untuk%0D%0Amenyerap+gelombang+radar+yang+datang.%0D%0AMaterial+ini+disebut+RAM+(Radar+Absorbing+Material)%2C+yang+memiliki%0D%0Akarakteristik+dapat+menyerap+gelombang+elektromagnetik%2Fgelombang+radar+dan%0D%0Atidak+memantulkannya+kembali+menuju+antena+radar.+Pada+umumnya+RAM%0D%0Aberbahan+inti+serat+karbon+memiliki+karakteristik+dapat+menyerap+gelombang%0D%0Aradar.+Penelitian+ini+menyelidiki+Pengaruh+dan+karakteristik+material+arang+kelapa%0D%0Adan+aluminium+sebagai+bahan+RAM+dan+efeknya+terhadap+frekuensi+radar%0D%0Adiaplikasikan+pada+peswat+tanpa+awak+siluman.+Metode+penilitian+yang+digunakan%0D%0Aadalah+studi+literature+dan+simulasi+menggunkan+perangkat+lunak+Electromagnetic%0D%0ASimulation+Software+(CST)+Studio+Suite+untuk+menentukan+nilai+radar+cross%0D%0Asection+(RCS)+sebagai+nilai+untuk+menentukan+keterdeteksian+suatu+obejk+selain%0D%0Aitu+kontruksi+air+frame+dari+peswat+tanpa+awak+yang+dirancang+dengan%0D%0Amenggunakan+perangkat+lunak+Ansys.+Ansys+juga+digunakan+untuk+menghitung%0D%0Amassa+total+pesawat+yang+didesain+agar+bisa+terbang+dengan+stabil.%0D%0AHasil+simulasi+CST+Suite+Studio+menunjukan+bahwa+RCS+arang+kelapa%0D%0Apada+pita+frekuensi+HF%2C+VHF%2C+UHF%2C+C+dan+K+memiliki+nilai+yang+lebih+rendah%0D%0Adibandingkan+dengan+nilai+RCS+pada+bahan+aluminum.+Sehingga+dapat%0D%0Adisimpulkan+bahwa+arang+kelapa+adalah+bahan+RAM.%0D%0AKata+Kunci%3A+Gelombang+Elektromagnetik%2C+RAM+(Radar+Absorbing+Material)%2C%0D%0ARCS+(Radar+Cross+Section)%2Carang+kelapa%2C+alumunium%2CUAV%0D%0A%0D%0AThe+working+principle+of+radar+can+simply+be+described+as+a+device+that%0D%0Aradiates+electromagnetic+waves+through+its+antenna+with+a+certain+frequency%2C%0D%0Adirection%2C+and+polarity.+When+these+waves+hit+an+object%2C+there+will+be+waves+that%0D%0Abounce+back+towards+the+radar+antenna.+These+waves+are+used+by+radar+to+detect%0D%0Aobjects.+In+order+not+to+be+detected+by+radar%2C+the+object+must+be+able+to+absorb+all%0D%0Aor+nearly+all+of+the+incoming+waves+and+not+reflect+them+back+to+the+radar%0D%0Aantenna.+For+this+reason%2C+backup+material+is+needed+to+absorb+incoming+radar%0D%0Awaves.%0D%0AThis+material+is+called+RAM+(Radar+Absorbing+Material)%2C+which+has+the%0D%0Acharacteristics+of+being+able+to+absorb+electromagnetic+waves%2Fradar+waves+and%0D%0Anot+reflecting+them+back+towards+the+radar+antenna.+In+general%2C+RAM+which+is%0D%0Amade+by+a+carbon+fiber+core+can+absorb+radar+waves.+This+study+investigated+the%0D%0Aeffect+and+characteristics+of+charcoal+and+aluminum+as+RAM+materials+and+their%0D%0Aeffect+on+radar+frequencies+applied+to+stealth+drones.+The+research+method+used+is%0D%0Aliterature+study+and+simulation+using+the+software+Electromagnetic+Simulation%0D%0A(CST)+Studio+Suite+to+determine+the+value+of+the+radar+cross+section+(RCS)+as+a%0D%0Avalue+to+determine+the+detectability+of+an+object+in+by+radar.+In+addition%2C+the+air%0D%0Aframe+construction+of+the+drone+was+designed+using+the+Ansys+software.+Ansys+is%0D%0Aalso+used+to+calculate+the+total+mass+of+aircraft+designed+to+fly+stably.The%0D%0Asimulation+result+of+CST+suite+studio+show+that.%0D%0AThe+RCS+value+of+coconut+charcoal+in+the+HF%2C+VHF%2C+UHF%2C+C+and+K%0D%0Afrequency+bands+has+a+lower+value+than+the+RCS+value+of+aluminum.+Therefore%2C+it%0D%0Acan+be+said+that+coconut+charcoal+is+a+RAM+material.%0D%0AKey+Words%3A+Electromagnetic+Waves%2C+RAM+(Radar+Absorbing+Material)%2C+RCS%0D%0A(Radar+Cross+Section)%2C+coconut+charcoal%2C+alumunium%2C+UAV.&rft.publisher=Fakultas+Teknik&rft.date=2021-01-14&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62305%2F1%2FABSTRAK%2520-%2520adhyaksa%2520dwi%2520oktavian.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62305%2F2%2FSKRIPSI%2520FULL%2520-%2520adhyaksa%2520dwi%2520oktavian.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62305%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520%2520-%2520adhyaksa%2520dwi%2520oktavian.pdf&rft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