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Contact Name
Nurhadi Setiawan
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jurnal.lemigas@esdm.go.id
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+6221-7394422
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INDONESIA
Scientific Contribution Oil and Gas
ISSN : 20893361     EISSN : 25410520     DOI : https://doi.org/10.29017/SCOG.44.1.492
research activities, technology engineering development and laboratory in the oil and gas field including regional geology/basin modeling, petroleum geology, sedimentology, stratigraphy, petroleum geoscience, drilling and completion technology, production engineering, well simulation, formation evaluation, petrophysics, reservoir characterization, oil and gas reserves, reservoir modeling, field development/management, EOR, geomachanics, unconventional hydrocarbon technology, field processing facilities, flow assurance, gas technology/processing/storage, petroleum processing/refining technology, petroleum products, fuel quality/specification/storage, biofuel technology, corrosion/scale problem/water treatment, environment/remediation, CCUS, health and safety/petroleum hazard, emerging technologies
Articles 1 Documents
Search results for , issue "Vol 9, No 1 (1986)" : 1 Documents clear
A New Type Of Digital Band - Pass Filter Munadi, Suprajitno
Scientific Contributions Oil and Gas Vol 9, No 1 (1986)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.9.1.898

Abstract

Digital filtering is mathematical process which provides a means of filtering data numerically. The filtering process can be carried out in the frequency domain to discriminate signal and noise based on the frequency differencesThe digital band-pass frequency filtering has been effectively accomplished using a new type of digital filter. This filter is the result of compolving a boxcar spectral window with a frequency shifted Gaussian function which produces a very smooth transition between the pass-band and the stop-band region. The slope of the filter is controlled by the exponential coefficient of the Gaussian function. For a very narrow pass-band the exponential coefficient also controls the resolution of the filter.Experiments have been done with the Synthetic Vertical Seismic Profiles data to prove the performance of the filter and shows a good results. 

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