The feature extraction of ECG waveform is a kind of weak signal characteristic extraction aiming at one dimension ECG signal.
心电图波形特征提取是针对一维心电信号的弱信号特征提取。
2
While the slotting dimension is bigger, agglomerant weak tier of hosts strain maximum value appears in FRP agglomerant interface place.
当开槽尺寸较大时，粘结剂薄弱层主应力的最大值出现在FRP—粘结剂界面处。
3
In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.