Pseudo random code modulated signal combiner

Details Pseudo random code modulated signal combiner Pseudo random code modulated signal combiner

G - Physics

01

S

G01S 5/14 (2006.01) G01S 1/24 (2006.01) G01S 3/50 (2006.01) G01C 21/00 (2006.01) H01Q 1/34 (2006.01)

Patent

CA 2599702

A circuit and associated method for determining the heading of a vehicle or device with a satellite ranging system receiver is provided. The circuit requires only a single front end RF stage. A single RF stage can be used because the incoming signal received at the first antenna is delayed with respect to the signal received at the second antenna and the two signals are merged together, to form a combined signal. The combined signal can be down converted and sampled in a single stage. The samples are then separately correlated to detect the data associated with the portion of the signal attributed to each antenna. The differences between the measured data are then used to calculate the relative orientation (heading and pitch) of the device upon which the two antennas are disposed.

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