释义 |
heart sound短语¹⁴⁴⁹⁷²⁺² 基本例句 心音 Therefore, development of phonocardiogram analysis instrument is very important to study the regularity of real-time heart sound and analyze the cardiac contractility variability in various states. 因此研制可用于实时研究人体心音的变化规律,并实时分析病人在各种状态下的心力变异性的心音检测系统具有十分重要的意义。 cnki This study put forward a heart sound envelope detection method based on the mathematical morphology. Then on the heart sound envelope, S1 and S2 were recognized. 本文提出一种基于数学形态学的心音包络提取方法,并在提取出的心音包络信号中识别第一心音 S1与第二心音 S2。 cnki |