航天飞行中心电信号去噪方法研究

Research on ECG Denoising during Spaceflight

目的寻找适合载人航天需要的心电信号去噪方法。方法通过研究载人航天过程中心电信号的噪声特性,提出将小波变换和形态滤波级联的去噪方法。结果通过实际应用和仿真对比实验结果表明,本文提出的将小波变换和形态滤波级联的方法,能有效地去除载人航天过程中心电信号的噪声。结论将小波变换级联形态滤波的去噪方法应用到载人航天过程中是可行的。

Objective To find a method for denoising of ECG signals during spaceflight. Method According to noise character of ECG during spaceflight, a new denoising method that combines wavelet transform and shape filter was put forward. Result By practical application and simulation test, it was proved that this method could eliminate efficiently noise from ECG during spaceflight. Conclusion The method that combines wavelet transform and shape filter can be used for ECG denoising during spaceflight.