...； 峰值； 过零时间 [gap=955]Key words: pulsed eddy current; nondestructive testing; corrosion; peak; zero-crossing time ...
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zero crossing time pick-off 零点交叉时间选域
zero-crossing time intervals 零点穿越间期
zero-crossing time discriminating 过零时刻甄别
The zero-crossing of the wavelet transform of the normal person pulse-wave is found out as a fact that its the wavelet transform coefficients correspond strictly to its time field characteristic.
分析了正常的人脉搏信号的小波域特征，发现脉搏信号的时域特点严格对应于其小波变换的过零点。
Result Pulse signal of 20 healthy women and 20 pregnant women were examined by statistic analysis of the time-domain characteristic point zero-crossing position.
结果通过对20例健康人和20例孕妇脉象时域特征点过零点位置的统计及其变化快慢的计算，分析结果正好与实际相吻合。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。
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