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Sunspot

于 2021-02-28 发布 文件大小:24KB
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  1)在Matlab 环境下读取太阳黑子数目序列,并绘制其时域波形; 2)采用离散时间卷积计算方法对太阳黑子数据序列进行滑动平均滤波(窗口宽度 分别为5 和13),并绘制出滤波后的波形; 3)对太阳黑子数据进行离散时间傅里叶变换,通过求幅度谱最大值方法估计太阳 黑子的周期;(Convolution calculation of sunspot periodic data for sliding filtering)

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