提出了采用相干平均法提高信号的信噪比并检测微弱信号的方法，介绍了相关检测的原理。
A detection method for weak signal with coherence average is presented, and the principle of cross-correlation detection is introduced.
方法首先讨论了对传统抗呼吸干扰的相干平均法改进，同时提出了估计拟合呼吸波和时域切比雪夫正交多项式消除呼吸干扰的方法。
Method The improvement of coherent averaging method of Reducing respiratory Interference was discussed, and evaluation-fitting respiratory wave and filter of Chebyshev's polynomial as presented.
应用推荐