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《Electronic Technology》 2017-12
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Design and Simulation of carrier tracking algorithm for QPSK spread spectrum signal

Liu Yingchao;Qiu Yuanteng;  
In this paper, the I, Q two way using the same spread spectrum yards of absolute QPSK modulation signal tracking algorithm for the design and simulation, the simulation results show that when using QPSK modulation mode, absolutely can't recover from demodulation signal correctly in the raw data, adopts the DQPSK modulation method can solve the problem of data phase ambiguity.
【CateGory Index】: TN911.3
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