The signal average method was used in order to increase the S/N ratio, and the optimum sweep time and average times were experimentally determined.
为了提高信噪比，采用了信号平均技术，并通过实验确定了最佳采样时间和平均次数。
The time domain average method is an efficient method to extract period components from the signal mixed with noise.
时域平均法是从混有噪声的信号中提取周期性分量的最有效方法。
The method that combine the cumulative average and multi-resolution analysis in wavelet transform was presented which can de-noise the weak signal collected from the sensor.
提出了对传感器采集到的微弱信号进行累加平均和小波变换中的多分辨率分析方法相结合去噪。
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