无创伤划分心动周期时相最常用的方法有心机械图法和 M 型超声心动图法,本文报告一种划分心动周期时相的新方法:即采用脉冲多普勒技术于左室后壁心肌内取样,记录到一系列有规律的心肌多普勒频谱,可作心动周期各时相的分析,由于本法所得...无创伤划分心动周期时相最常用的方法有心机械图法和 M 型超声心动图法,本文报告一种划分心动周期时相的新方法:即采用脉冲多普勒技术于左室后壁心肌内取样,记录到一系列有规律的心肌多普勒频谱,可作心动周期各时相的分析,由于本法所得信息直接来源于心肌本身的运动,并且能在一帧图中测得收缩和舒张时相的绝大部分参数,故优于其它方法,现将初步研究结果报告如下:方法1.使用仪器:ATL展开更多
Two ring signals P1, P2 beyond the Uranian ε Ring are detected from noise by statistical method. Applying the time series test and the wave form correlation test to the Beijing data of March 10, 1977 occultation by t...Two ring signals P1, P2 beyond the Uranian ε Ring are detected from noise by statistical method. Applying the time series test and the wave form correlation test to the Beijing data of March 10, 1977 occultation by the Uranus systems, we discovered two ring signals beyond the ε Ring. The method and formulae used and the meaning of the sign are the same as in Ref. [1].展开更多
文摘无创伤划分心动周期时相最常用的方法有心机械图法和 M 型超声心动图法,本文报告一种划分心动周期时相的新方法:即采用脉冲多普勒技术于左室后壁心肌内取样,记录到一系列有规律的心肌多普勒频谱,可作心动周期各时相的分析,由于本法所得信息直接来源于心肌本身的运动,并且能在一帧图中测得收缩和舒张时相的绝大部分参数,故优于其它方法,现将初步研究结果报告如下:方法1.使用仪器:ATL
文摘Two ring signals P1, P2 beyond the Uranian ε Ring are detected from noise by statistical method. Applying the time series test and the wave form correlation test to the Beijing data of March 10, 1977 occultation by the Uranus systems, we discovered two ring signals beyond the ε Ring. The method and formulae used and the meaning of the sign are the same as in Ref. [1].
