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Proceedings of the 2018 8th International Conference on Manufacturing Science and Engineering (ICMSE 2018)
In this paper, a new variable step size LMS algorithm based on cosine function is proposed. The weak signal is difficult to extract, so we constructed a new relationship between the step size and the error signal, which depend on the mathematical transformation of the cosine function, and also analyzed the parameter values which effects the performance of the algorithm mainly. In the noise cancellation system, the performance of the algorithm is simulation by MATLAB software. The result showsdoi:10.2991/icmse-18.2018.128 fatcat:jrejnzkaaffhpdpng6bgxsfway