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Journal of Mathematical and Fundamental Sciences
ISSN : 23375760     EISSN : 23385510     DOI : https://doi.org/10.5614/j.math.fund.sci.
Core Subject : Science, Education,
Journal of Mathematical and Fundamental Sciences welcomes full research articles in the area of Mathematics and Natural Sciences from the following subject areas: Astronomy, Chemistry, Earth Sciences (Geodesy, Geology, Geophysics, Oceanography, Meteorology), Life Sciences (Agriculture, Biochemistry, Biology, Health, Medical, Pharmacy), Mathematics, Physics, and Statistics.
Articles 2 Documents
Search results for , issue "Vol. 16 No. 3 (1983)" : 2 Documents clear
Model Distribusi Gamma untuk Uji Hidup Dipercepat Zanzawi Soejoeti
Journal of Mathematical and Fundamental Sciences Vol. 16 No. 3 (1983)
Publisher : Institute for Research and Community Services (LPPM) ITB

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The Application of N-th Root Processing Technique on S-Wave Records Lilik Hendrajaya
Journal of Mathematical and Fundamental Sciences Vol. 16 No. 3 (1983)
Publisher : Institute for Research and Community Services (LPPM) ITB

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Abstract

Abstract. There are many methods to increase signal-to-noise ratio (S/N) of seismic records in order to identify the interested signals, resolve them into their components and extract any valuable information relating the source mechanism the earth's structure in which the seismic wave travel, and other seismic wave properties. In this study N-th Root processing technique is applied on S-wave data recorded at the Warramunga Seismic Array (WRA) in Northern Australia. Besides signal enhancement, arrival identification and slowness measurement are also products of this processing. Sari. Ada beberapa cara untuk menaikkan angka perbandingan isyarat dan derau (S/N) pada rekaman gelombang seismic yang berguna dalam proses mencirikan isyarat, memisahkan kelompok gelombang dan menarik beberapa informasi penting yang berhubungan dengan mekanisme sumber, struktur dalam bumi yang dilalui gelombang dan beberapa sifat gelombang seismik. Pada penelitian ini dicoba digunakan teknik akar pangkat N pada data gelombang S yang terekam pada stasiun pengamat gempa Warramunga di Australia Utara. Selain perbaikan amplitudo isyarat dihasilkan juga pencirian gelombang dan pengukurang slowness (kebalikan kecepatan) oleh pengolahan data gelombang ini.

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