Matlab prepared using power spectrum estimation, input data is 100-year record of sunspot activity, using periodogram method, the estimated value of maximum entropy (AR Law and Burg method), draw the signal power spectrum and then calculate the sunspot activity cycle.

Packet : 29782204gonglvpuguji.rar filelist
功率谱估计\burg_Kp.m
功率谱估计\Mainfun.asv
功率谱估计\Mainfun.m
功率谱估计\Read Me.txt
功率谱估计\zhouqitu.asv
功率谱估计\ZXG.m
功率谱估计

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