Null Input Omega Tracking Filter System.
DEPARTMENT OF THE NAVY WASHINGTON DC
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The patent relates to a tracking filter apparatus for determining the relative phase of synchronized CW navigation systems. The apparatus generates a square wave signal the phase and amplitude of whose fundamental sinusoidal components match those of the fundamental components of signals being tracked. The apparatus operates with a digital computer which processes sample OMEGA amplitudes to acquire and maintain synchronism with the standard OMEGA multiplex pattern.
- Electrical and Electronic Equipment
- Navigation and Guidance