?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGHILANGAN+SWELL+NOISE+DAN+LINIER+NOISE+PADA+DATA%0D%0ASEISMIK+2D+MARINE+HIGH+RESOLUTION+PADA+LINTASAN+%E2%80%9CAF%E2%80%9D%0D%0AMENGGUNAKAN+METODE+SWNA%2C+F-K+FILTER%2C%0D%0ADAN+TAU-P+TRANSFORM&rft.creator=ACHMAD+SUBARI+%2C+1215051001&rft.subject=G+Geography+(General)&rft.description=Telah+dilakukan+penelitan+mengenai+penghilangan+noise+yang+disebabkan+oleh%0D%0Alingkungan+(swell+noise)+dan+noise+linier+pada+data+seismik+2D+frekuensi+tinggi+pada%0D%0Alintasan+%E2%80%9CAF%E2%80%9D+dengan+menggunakan+metode+swell+noise+attenuation+(SWNA)%2C+filter%0D%0Af-k+dan+transformasi+tau-p.+Berdasarkan+hasil+yang+diperoleh+swell+noise+berhasil%0D%0Adihilangkan+dari+data+dengan+menggunakan+batasan+kecepatan+filter+yakni+1000+m%2Fs%0D%0Apada+frekuensi+25+Hz+yang+diterapkan+pada+proses+swell+noise+attenuation.+Data%0D%0Ayang+telah+diterapkan+SWNA%2C+kemudiain+dijadikan+input+proses+filter+f-k.+Dalam%0D%0Apenerapan+filter+f-k%2C+desain+polygon+yang+digunakan+memiliki+batasan+frekuensi%0D%0Aminimum+sebesar+5+Hz+dan+frekuensi+maksimum+sebesar+450+Hz.+Hasil+filter+f-k%0D%0Amemberikan+output+yang+baik+dengan+menghilangkan+noise+linier+hingga+time+1500%0D%0Ams.+Output+filter+f-k+yang+diperoleh%2C+kemudian+diproses+kembali+dengan%0D%0Amenggunakan+metode+transformasi+tau-p.+penerapan+transformasi+tau-p+dilakukan%0D%0Adengan+mentransformasikan+data+menjadi+domain+(%CF%84-p).+Pada+data+yang+telah%0D%0Aditransformasi+dalam+domain+(%CF%84-p)%2C+noise+linier+terbentuk+pada+moveout+600+ms.%0D%0AKemudian+data+diberlakukan+mute+dengan+menggunakan+surgical+mute.%0D%0ABerdasarkan+hasil+yang+diperoleh%2C+metode+tau-p+mampu+menghilangkan+noise+linier%0D%0Apada+data.+Noise+linier+yang+dihilangkan+lebih+mendominasi+pada+time1500+ms-%0D%0A2500+ms.+Hal+tersebut+disebabkan+noise+linier+pada+time+0-1500+ms+berhasil%0D%0Adihilangkan+dengan+baik+oleh+proses+sebelumnya.+Setelah+metode+tersebut+di+atas%0D%0Aberhasil+diterapkan.+Pengolahan+data+dilanjutkan+dengan+melakukan+proses+stack%0D%0Adan+migrasi.+Migrasi+yang+diterapkan+yakni+postack+kirchoff+time+migration%2C%0D%0Amigrasi+dilakukan+dengan+sudut+migrasi+sebesar+300+dan+aperture+sebesar+600+m.%0D%0AKata+kunci%3A+swell+noise%2C+swell+noise+attenuation%2C+filter+f-k%2C+transformasi+tau-p%2C%0D%0Aaperture%2C+postack+time+migrasition.%0D%0A%0D%0Aabstract%0D%0A%0D%0AResearch+have+been+done+about+noise+removal+caused+by+environment+(swell%0D%0Anoise)+and+linear+noise+on+high+frequency+2D+seismic+data+on+line+%E2%80%9CAF%E2%80%9D+using%0D%0Aswell+noise+attenuation+(SWNA)+method%2C+f-k+filter+and+tau-p+transformation.%0D%0ABased+on+obtained+result%2C+swell+noise+succeed+removed+from+data+using+velocity%0D%0Alimited+filter+that+is+1000+m%2Fs+on+frequency+25+Hz+applied+to+swell+noise%0D%0Aattenuation+process.+Applied+SWNA+data%2C+then+created+input+f-k+filter+process.+In%0D%0Af-k+filter+process%2C+used+polygon+design+having+a+minimum+frequency+limit+around%0D%0A5+Hz+maximum+high+frequency+around+450+Hz.+The+results+f-k+filter+giving+a+good%0D%0Aoutput+with+linear+noise+removal+to+time+1500+ms.+F-k+filter+output+obtained%2C+then%0D%0Aprocessed+again+using+tau-p+transformation+method.+Application+of+tau-p%0D%0Atransformation+transformed+data+into+(%CF%84-p)+domain.+Transformed+data+on+(%CF%84-p)%0D%0Adomain%2C+linear+noise+made+on+moveout+600+ms.+Then+the+data+muted+using%0D%0Asurgical+mute.+Based+on+obtained+result%2C+tau-p+result+can+removing+linear+noise+on%0D%0Adata.+Linear+noise+removed+dominating+on+time+1500+ms-2500+ms.+That+matter%0D%0Acaused+by+linear+noise+on+time+0-1500+ms+succeed+removed+using+previous%0D%0Aprocess.+After+the+method+succesfully+applied+%2C+data+processing+continued+doing%0D%0Athe+stack+and+migration+process.+Applied+migration+is+postack+kirchoff+time%0D%0Amigration%2C+migration+do+with+migration+angel+around+300+and+aperture+around+600%0D%0Am.%0D%0AKeyword%3A+Swell+noise%2C+swell+noise+attenuation%2C+f-k+filter%2C+tau-p+transformation%2C%0D%0Aaperture%2C+postack+time+migration.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2017-11-28&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29576%2F1%2FABSTRACT%2520%2528ABSTRAK%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29576%2F4%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29576%2F5%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ACHMAD+SUBARI+%2C+1215051001++(2017)+PENGHILANGAN+SWELL+NOISE+DAN+LINIER+NOISE+PADA+DATA+SEISMIK+2D+MARINE+HIGH+RESOLUTION+PADA+LINTASAN+%E2%80%9CAF%E2%80%9D+MENGGUNAKAN+METODE+SWNA%2C+F-K+FILTER%2C+DAN+TAU-P+TRANSFORM.++FAKULTAS+TEKNIK%2C++UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F29576%2F