?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+TINGKAT+KETEBALAN+PADA+REFLECTION-LOSS+RAM+(RADAR+ABSORBING+MATERIAL)+ARANG+KELAPA&rft.creator=RISON+SIREGAR%2C+1615031060&rft.subject=600+Teknologi+(ilmu+terapan)&rft.description=Radio+Detection+and+Ranging+(RADAR)+is+an+electromagnetic+wave++technology+used+to+detect+objects+at+great+distances.+RADAR+emits+radio+waves+and+if+there+are+objects+within+the+range+of+these+waves%2C+the+radio+waves+will+be+reflected++back+towards+the+RADAR%2C+so+that+the+object+will+be+detected+by+the+RADAR.%0D%0A%0D%0ARADAR+absorbing+material+(RAM)+is+a+material+that+serves+to+absorb+radio+waves+so+that+no+reflected+waves+return+to+the+RADAR.+RAM+is+generally+made+of+a+carbon+element+core%2C+and+is+in+the+form+of+paint+that+coats+RADAR+detection+objects.+In+this+study%2C+a+trial+was+conducted+on+the+use+of+coconut+shell+charcoal+as+a+carbon+substitute.%0D%0A%0D%0A+++++Coconut+charcoal+RAM+was+tested+using+VNA+and+proved+to+be+successful+as+RAM+in+general+with+the+smallest+reflection-loss+value+obtained+at+-21.89+dB++at++a+working+frequency+of+4-8+GHz.+The+researcher+then+ran+a+simulation+using++the+CST+studio+suite+2019+to+vary+the+thickness+of+the+RAM%2C+aiming+to+test+the+performance+of+the+RAM.+Based+on+previous+research+and+simulations+conducted+by+the+author%2C+it+can+be+concluded+that+the+thicker+the+RAM%2C+the+smaller+the+reflection-loss+value+obtained%2C+which+means+the+greater+the+absorption+of+RAM+against+electromagnetic+waves.%0D%0A%0D%0AKey+Words%3A+Electromagnetic+Waves%2C+RADAR%2C+RAM+(RADAR+Absorbing+Material)%2C+Reflection-loss.%0D%0A&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%2F60026%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60026%2F19%2FFull.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60026%2F20%2FTanpa%2520Bab%2520Pembahasan.pdf&rft.identifier=++RISON+SIREGAR%2C+1615031060++(2021)+PENGARUH+TINGKAT+KETEBALAN+PADA+REFLECTION-LOSS+RAM+(RADAR+ABSORBING+MATERIAL)+ARANG+KELAPA.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F60026%2F