Doppler navigation system with enhanced multi-path discriminatio

Details Doppler navigation system with enhanced multi-path discriminatio Doppler navigation system with enhanced multi-path discriminatio

1977-11-04

1979-03-27

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343106D, G01S 502

Patent

active

041468945

ABSTRACT:
A radio navigation system of the simulated Doppler type, including a ground beacon having a multi-element linear antenna array, the elements of which are energized discretely and, in turn, to provide digitized scanning. A remote receiver, in an aircraft on landing approach, for example, derives a beat signal relating to a navigational angle. The remote receiver has a bandpass filter covering the range of Doppler beat frequencies of directly received signals and also detects the start of each ground beacon commutation cycle. A unique combination of inhibiting circuits for eliminating filter transients during at least part of its transient response time and filter cut-off characteristics affords discrimination between direct and multi-path signals when the angular separation of the paths of those signals is at a minimum.

REFERENCES:
patent: 3946386 (1976-03-01), Overbury et al.

Affiliated with

Also associated with

Rating

Doppler navigation system with enhanced multi-path discriminatio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Doppler navigation system with enhanced multi-path discriminatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Doppler navigation system with enhanced multi-path discriminatio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1824866