Song Jijiang

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Pseudo-random code is the basis of spread spectrum communication, at the same time, coherent receiver the spread spectrum signal by make use of the favorable correlation and reproducibility features of pseudo-random code, its can greatly improve SNR of the coherent receiver circuit output. It’s an effective way to make use of software to generates(More)
At present, the GPS system is used more and more widely, and the research on the GPS signal is the basis in this field. Therefore, based on the basic principle and structure of the satellite signal, and aim at the pseudo-random code C/A-code, P-code’s characteristics character which GPS signal adopt analysis and research the production method, then(More)
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