Chang-xing Chen, Donglai Bian, Sha-sha Peng, Dezhi Niu
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A detest algorithm based on BOC signal modulation technology
With the rapid development of satellite navigation systems, BOC (Binary Offset Carrier) is one of the most critical and most common modulation mode and will become the mainstream in the Satellite navigation signal modulation. Through the mechanism of the BOC signal, it mentioned a method named Square Frequency Doubling Method to detect carrier frequency of BOC modulation signal. The subcarrier frequency and the pseudo-random code rate of BOC baseband signal is detested by the correlation of BOC. With the BOC (1, 1) signal, the MATLAB simulation tests the validity of the algorithm which can effectively achieve the detection results of BOC signal carrier frequency, subcarrier frequency and spread spectrum code rate.
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