One Dimension Model Based Filter for Separation of Time-lapse Microgravity Anomaly

Suhayat Minardi; Teguh Ardianto

doi:10.19184/jid.v16i1.1055

Suhayat Minardi Program Studi Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Mataram, Jalan Majapahit 62 Mataram 83125
Teguh Ardianto Program Studi Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Mataram, Jalan Majapahit 62 Mataram 83125

DOI: https://doi.org/10.19184/jid.v16i1.1055

Abstract

The research has a goal to develop a model-based filter to separate the time lapse microgravity anomali caused by the 3 pieces of the source of anomalies with different depths. The activities which included in this research are: geological modeling, calculation of time lapse microgravity responses caused by several sources, designing of digital model based filter, application of the filter to separate synthetic time lapse microgravity anomali data, and performance test of the filter. Designed model is multi aquifer sistem with homogeny isotropic properties at different depth. Equipment of this research is a unit computer with MATLAB Version 7.11.0.584 (R2010b) and Microsoft Excel 2007 software. The designed filter can separate time lapse microgravity anomali based on its sources successfully with error less than 5%.

Keywords: Filter, synthetic, time lapse microgravity anomaly