Method and apparatus for compensating unexpected frequency shift

Details Method and apparatus for compensating unexpected frequency shift Method and apparatus for compensating unexpected frequency shift

1999-03-24

2000-05-23

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701200, G01S 503, G01S 502

Patent

active

060675039

ABSTRACT:
Unexpected frequency shifts in GPS receivers are compensated by utilizing a shock detector or temperature transient detector. The detector can be utilized with a GPS receiver and provides a signal to adjust the signal-search algorithm. The signal-search algorithm is able to acquire or reacquire a satellite signal more quickly when adjusted by the shock detector. The receiver can be utilized in guided munitions and other vehicles which are susceptible to temperature transients and mechanical shocks.

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