Time-frequence analysis of carotid flow doppler signal in normal controls and cerebral infarction patients
- VernacularTitle:正常人和脑梗死患者颈动脉血流超声多普勒时频分析
- Author:
Guozheng QIAN
;
Youfa LI
;
Yifeng CAO
;
- Publication Type:Journal Article
- Keywords:
cerebral infarction;
carotid arteries;
ultrasonography;
time frequence analysis
- From:
Academic Journal of Second Military Medical University
1999;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
1 kHz at least; For the cerebral infarction cases with carotid atheromatous plaque, the frequence plots for f max , f mode and f mean were separated throughout the cardiac cycle, f max in systole