Code correlation arrangement

Details Code correlation arrangement Code correlation arrangement

1988-08-09

1990-03-20

Ruggiero, Joseph

Boots, shoes, and leggings

375 96, 375120, G06J 100, H04L 2706

Patent

active

049106953

ABSTRACT:
A code correlation arrangement comprising clock means for sampling (11) an analogue input signal, means for generating a digital code sequence (14), means for clocking (15) the code generating means synchronously with the sampling of the analogue input signal, means for digitally multiplying (12) the code sequence with the sampled analogue signal, means for digitally filtering (13) the output of the multiplying means, and means for controlling the clock phase of the code generating means to maintain phase tracking of an incoming code phase in the analogue signal by the code generating means.

REFERENCES:
patent: 3510595 (1970-05-01), Gutleber
patent: 3804518 (1974-04-01), Meyr
patent: 4112497 (1978-09-01), Fletcher et al.
patent: 4479188 (1984-10-01), De Keijzer
patent: 4627079 (1985-12-01), von der Embse
patent: 4689806 (1987-08-01), von der Embse
patent: 4706263 (1987-11-01), von der Embse

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