To characterize the deterministic dynamics in heart rhythm, the unstable periodic orbit analysis were the RR interval time series of healthy young men.
为刻划心脏节律存在的确定性动力学特征，运用不稳定周期轨道分析方法对健康青年人的RR间期时间序列数据进行分析。
Through the method of combining a single beat ECG template database and a RR interval simulator, a variety of ECG signal with freely pre-set features could be simulated.
通过将单周期心电信号模板库与RR间期模拟信号结合，本研究实现了种类丰富，逼真度高，可自由调节心率特性的心电信号的模拟。
AIM To investigate the method of decreasing the noise disturbance in electrocardiosignal and improve the test precision of RR interval in heart rate variability HRV signals.
目的：探讨改善心电信号噪声干扰的方法，提高对心率变异信号中的RR间期检测精度。
The MMR declined by an average of 5% per year (crude relative risk, RR: 0.95; 95% confidence interval, CI: 0.94-0.97).
孕产妇死亡率年均下降5%(未经整理分类的相对危险：0.95；95%置信区间：0.94 - 0.97)。
Pooled relative risk (RR) and 95% confidence interval (CI) were calculated using a random-effects model.
共同的相对危险率和95%的可信区间用一种随机效应模型被计算出来。
Homogeneity showed that random effect model should be selected to calculate the pooling relative risk (rr) and its corresponding9%confide nce interval (9%ci).
根据资料一致性检验，采用随机效应模型(D- L法)计算合并相对危险度(RR)及其9%的可信区间(9%CI)。
Homogeneity showed that random effect model should be selected to calculate the pooling relative risk (rr) and its corresponding9%confide nce interval (9%ci).
根据资料一致性检验，采用随机效应模型(D- L法)计算合并相对危险度(RR)及其9%的可信区间(9%CI)。
应用推荐