Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Aircraft guidance
Patent
1986-05-15
1988-11-22
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Aircraft guidance
342 65, 364449, G01S 1300
Patent
active
047869089
ABSTRACT:
An apparatus incorporating recursive estimators, more particularly apparatus for measuring the state of a dynamic system using a recursive estimator for modelling the dynamic behavior of the system, and navigation systems using a recursive estimator for navigation integration. Also disclosed are novel methods of updating the inputs to the estimators of such apparatus and systems.
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Liche, "Onboard and Ground Test of an Autonomous Navigation System Based on Terrain Correlation", AGARD Conf. Proc., No. 299, Subsystem Testing and Flight Test Instrumentation, Geilo, Norway, Oct. 1980, pp. 4-1.fwdarw.4-11.
IEEE Transactions on Automatic Control, vol. AC-28, No. 3, Mar. 1983, "Non-Linear Kalman Filtering Techniques for Terrain-Aided Navigation", L. D. Hostetler and R. D. Andreas, pp. 315-323.
Blum Theodore M.
GEC Avionics Limited
Sotomayor John B.
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