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Abstract
In this paper, an intelligent modulation algorithm of WMSN communication channel based on direct sequence spread spectrum is proposed. In the process of preliminary analysis of WMSN communication channel, the reason of channel distortion is summarized. Based on the amplitude response and frequency response calculation results of the receiving end, the communication channel model is established, and direct sequence spread spectrum algorithm is used to obtain the equalization control equation of WMSN channel modulation. The experimental results show that the proposed algorithm has obvious advantages in comparison with other algorithms, and improves the efficiency and stability of channel data transmission and reduces the packet loss rate.