The pulse signals are analyzed both in time domain and frequency domain, and physiological features like waveform height and magnitude spectrum peaks are obtained.
基于实时考虑分别从时域和频域提取特征:波形高度和幅度谱峰值。
The formative mechanism of pulse waves is studied in this paper. The method of function combination and approximation is adopted to analyze arteriosclerosis and the characteristic parameter of pulse waves through its change of waveform is obtained.
研究了脉搏波的形成机理,并根据波形变化规律,采用函数叠加逼近方法对其进行了分析,得到了脉搏波的特征参量。
The stimulation waves were composed of carrier waveform signals, which were square waves and non-polar differential exponent pulse waves, and modulated amplitude signals, which were periodic signals and random signals.
运用自相关技术进行了载波为方波、无极性指数脉冲波,调幅波的调制信号为周期性信号、随机信号的电刺激波形对机体适应性问题的研究。
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