大家好,我用TI的AFE4400的方案采集脉搏到的波形如下,我想通过求功率谱分析噪声特性以达到选择适当的滤波的方法,FFT的波形也如下。根据FFT图,分析得知能量只要分布在0到10HZ的频率范围内,但是怎么分析这个功率谱的噪声特性呢?谢谢大家~
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