نتایج جستجو برای: downward continuation is well defined
تعداد نتایج: 7637812 فیلتر نتایج به سال:
Downward continuation is a key technique for processing and interpreting gravity anomalies, as it has major role in reducing values to horizontal planes identifying small shallow sources. However, can be unstable inaccurate, particularly when depth increases. While the Milne Adams–Bashforth methods based on numerical solutions of mean-value theorem have partly addressed these problems, more acc...
Potential field data are of great significance to the study geological characteristics. Downward continuation potential converts from a high plane low plane. Since this method is mathematically an inverse problem solution, it unstable. The Tikhonov regularization strategy effective means downward field. However, achieving high-precision requirements in stage precise geophysical exploration stil...
Failed back surgery syndrome (FBSS) is many a times an intractable problem confronted in patients with surgical disease of lumbar spine and at the same time is a pressing problem for the physicians as well. This clinical entity is defined as continuation of pain in the lumbar region and lower extremities following surgery of the lumbar spine. Knowledge of the etiological factors and their preve...
SUMMARY The purpose of marine seismic experiments is to provide information the structure and physical properties subsurface. P-wave velocity distribution most commonly modelled property, usually by inversion arrival times or waveform attributes. In wide-angle reflection/refraction (WAS) experiments, phases identified in data recorded ocean bottom seismometers (OBS) are used image relatively de...
this thesis seeks to present a critical reading of virginia woolf’s mrs. dalloway and michael cunningham’s the hours in terms of an intertextual approach, concentrating on dialogic imagination, negativity, transposition and allusion. this study attempts to evaluate cunninghams perception of woolfs life and work by adopting kristevas conception of intertextuality and her consideration of the hou...
the use of stokes boundary values problems for the determination of the geoid requires that gravity anomalies (as boundary values) are known on geoid (as boundary). while, the gravity observations are measured on the earth's surface, to obtain boundary data, the surface gravity anomalies does are downward from the terrain onto geoid. for downward continuation (dwc) of surface gravity anoma...
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