Phase measurements using pseudo-random code

Details Phase measurements using pseudo-random code Phase measurements using pseudo-random code

G - Physics

01

S

349/23, 324/33

G01S 5/14 (2006.01) G01S 11/02 (2006.01) G01S 11/14 (2006.01) H03L 7/00 (2006.01) H04B 7/185 (2006.01)

Patent

CA 1274584

PHASE MEASUREMENTS USING PSEUDO-RANDOM CODE Abstract of the Disclosure Signal phase delay may be accurately measured by transmitting a pseudo-random noise coded reference signal, deriving in-phase and quadrature components of the received coded signal and then separately decoding the in-phase and quadrature components. This technique effectively compresses the transmitted signal pulse to a very narrow width (thereby simplifying discrimination of separate pulses with similar arrival times) while magni- fying the pulse amplitude (thereby enhancing the signal to noise ratio).

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