As part of the Navy R and D effort in support of the FAA National Microwave Landing System Development, NELC has studied the electronic pitch stabilization method proposed by ITT Gilfillan and determined the stabilization errors resulting from it. The method is shown to have significant errors. It cannot uniformly correct for the errors caused by ship motion over the entire system coverage volume. Residual error after pitch compensation- a function of aircraft position, elevation antenna offset, and selected pitch compensation angle-causes the aircraft to approach the carrier via an undulating path. Residual errors can be reduced by changing the Gilfillan pitch angle, but they remain significant. (Author)
Doppler Microwave Landing System Electronic Pitch Stabilization
1974
37 pages
Report
Keine Angabe
Englisch
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