Abstract
In this paper, the delay phase multiplication algorithm is introduced, which is very suitable to detect direct sequence and frequency hopping hybrid spread spectrum signal, detection principle of this kind signal is also given simultaneously. In order to improve detection performance, circular correlation and adapti ve filtering algorithms are introduced. The improved algorithm has been successfully used to detect direct sequence and frequency hopping hybrid spread spectrum signal, the results show that the detection algorithm can not only detect direct sequence and frequency hopping hybrid spread spectrum signal with lower SNR, but at the same time achieve the code rate.
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