This paper describes an electo-optic correlator integrated with a GPS receiver, which was developed and tested to demonstrate the massive parallelism possible using modern electro-optic correlation techniques. This design performs the Fourier Transforms optically. A combination of simulation and live satellite test data was used to demonstrate the search and acquisition of the GPS P(Y) code signals. This paper includes test results showing the predicted performance of the direct P(Y) code acquisition using an optical correlator.




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Direct P(Y) Code Acquisition Using An Electro-Optic Correlator .pdf