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Improved definition of crustal magnetic anomalies for magsat data
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Didwall, E. Davis, W. M. Brown, R. D. Ray, R. D. Frawley, J. F. |
| Copyright Year | 1982 |
| Description | The routine correction of MAGSAT vector magnetometer data for external field effects such as the ring current and the daily variation by filtering long wavelength harmonics from the data is described. Separation of fields due to low altitude sources from those caused by high altitude sources is affected by means of dual harmonic expansions in the solution of Dirichlet's problem. This regression/harmonic filter procedure is applied on an orbit by orbit basis, and initial tests on MAGSAT data from orbit 1176 show reduction in external field residuals by 24.33 nT RMS in the horizontal component, and 10.95 nT RMS in the radial component. |
| File Size | 1174581 |
| Page Count | 24 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19820016711 |
| Archival Resource Key | ark:/13960/t5x68b17m |
| Language | English |
| Publisher Date | 1982-03-15 |
| Access Restriction | Open |
| Subject Keyword | Earth Resources And Remote Sensing Geomagnetism Wavelengths Earth Resources Program Satellite Orbits Spherical Harmonics Dirichlet Problem Ring Currents Magnetic Anomalies Regression Analysis Data Smoothing Magsat 1 Satellite Magnetic Measurement Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
