CAJ | 학술논문

脉搏波的峰值是脉搏信号时域分析的基础和关键。该文针对现实情况中出现的脉搏波潮波超过主波的情况，改进了阈值法：将脉搏波腐蚀后利用阈值法进行峰值提取，以便准确提取主波。利用MATLAB进行编程仿真，实验证明，改进后的阈值法能准确定位潮波超过主波脉搏波的峰值，上述方法具有良好的应用效果。
맥박파적봉치시맥박신호시역분석적기출화관건。해문침대현실정황중출현적맥박파조파초과주파적정황，개진료역치법：장맥박파부식후이용역치법진행봉치제취，이편준학제취주파。이용MATLAB진행편정방진，실험증명，개진후적역치법능준학정위조파초과주파맥박파적봉치，상술방법구유량호적응용효과。
The peak of pulse wave is the basis and key for time domain analysis on pulse signal .This article aims on the actual situation ,which pulse wave's tidal wave may surpass its main wave ,to impove threshold method:using threshold method to extract peak after being corroded .Using this method to accu-rately extract main wave .After using MATLAB to program , it proves that the improved threshold method may accurately locate peak which tidal wave surpasses main wave .The method , which is mentioned a-bove ,owns favorable effect for utilizing .