Spacecraft Attitude Determination Using Global Positioning Satellite Signals



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For which is a constant and is a 9x9 identity matrix. Including this term yields the GNLM method (Gauss-Newton-Levenberg-Marquardt Method).

To determine the value of that should be used, 0.001 is used initially. If , is increased by a factor of 10 and the calculation for is reaccomplished. This continues until (Gauss-Newton-Levenberg-Marquardt Method).

If



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