Structure of a position processing apparatus

Details Structure of a position processing apparatus Structure of a position processing apparatus

1997-03-28

1999-11-23

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

G01S 0502

Patent

active

059908270

ABSTRACT:
A method and apparatus for determining attitude information using a down conversion reference and a carrier phase and code phase generator. The apparatus uses individual phase registers for signal received from each antenna to solve the phase difference concurrently. The invention also discloses an attitude sensing method where only one receiving antenna is required. A method and structure for using variable correlation width is also disclosed to optimize noise cancellation under different noise environment.

REFERENCES:
patent: 4807256 (1989-02-01), Holmes et al.
patent: 5021792 (1991-06-01), Hwang
patent: 5268695 (1993-12-01), Dentinger et al.
patent: 5534875 (1996-07-01), Diefes et al.
patent: 5548293 (1996-08-01), Cohen

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