小波域的盲源分离，可以有效地去除噪声，尤其是在胎儿心电提取方面-Wavelet domain blind source separation can effectively remove the noise, especially in regard to extraction of fetal ECG

一本关于在小波域胎儿心电信号提取的论文，具有很好的参考价值。-A paper in the wavelet domain fetal ECG extraction, with a good reference value.