نتایج جستجو برای: inversion recovery
تعداد نتایج: 241145 فیلتر نتایج به سال:
A modified 2D focusing inversion method for gravity data is presented in this paper. This iterative inversion method minimizes the area of the causative body and yields a compact density distribution. In order to find the required number of iterations for maximum compactness of the density distribution, the parameter variation function is proposed as a stopping criterion in the inversion proced...
Time-lapse seismic data are widely used for monitoring timevariant subsurface changes. Conventional analysis provides qualitative information by comparing results from consecutive surveys, whereas waveform inversion can retrieve quantitative estimates of reservoir properties through seismic waveform fitting. The quantitative evaluation of the physical parameters obtained by waveform inversion a...
This paper describes the design, implementation, and performance of the Inversion file system. Inversion provides a rich set of services to file system users, and manages a large tertiary data store. Inversion is built on top of the POSTGRES database system, and takes advantage of low-level DBMS services to provide transaction protection, fine-grained time travel, and fast crash recovery for us...
Fat-suppression technology of magnetic resonance is very important in clinical practice. This article is written to interpret the principle, advantages/disadvantages and clinical applications of some regular fat-suppression sequences in the diagnosis of Bone-Joint Disease, including: 1) frequency-selective saturation (FS); 2) short-TI inversion recovery (STIR); 3) frequency selective inversion ...
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