功率谱密度值与时域指标体温反应指数(TRI)有极好的相关性。
A high degree of relationship was found between the power spectral density and thermal response index (TRI).
结果海训引起常规心电图的轻度异常率为46% ,HRV时域指标明显降低(P <0 .0 5 )。
Results The rate of light abnormity in electrocardiogram was 46%. the parameters of HRV were significantly reduced (P<0.05).
为探索急性心肌梗死时心率变异性指标变化规律,测定44例急性心肌梗死患者的心率变异性时域指标并与50例正常人进行对比。
To investigate characteristics of acute myocardial infarction(AMI) and heart rate variability(HRV), 44 patients with AMI and 50 healthy controls were involved in study.
首先求出PID控制器的所有稳定参数集,再在该集上得出满足时域性能指标的PID控制器参数区域。
The time domain performance specifications and the stability index are incorporated into the design of the PID controllers. All the stabilizing PID controllers are first calculated.
摘要介绍了上海电网电压稳定功率裕度指标,探索了电压稳定裕度指标的时域仿真校核方法。
The power margin index for Shanghai grid voltage stability is presented, and the time domain simulation checking method for the power margin index is discussed.
时域分析表明,设计的预测控制器对外部正弦干扰有较强的鲁棒性,得到的结果关于二次型平均性能指标是次优的。
Time domain analysis shows that this predictive controller is of stronger robustness to external sinusoidal disturbances, and is suboptimal with respect to quadratic performance indexes.
人工免疫系统通过对多重并发故障时域无量纲指标进行分析研究,得到了一条基于无量纲指标并发故障诊断普遍适用的规律。
Artificial immune system analyses dimensionless indicators of time domain for concurrent failures, has drew a widespread law based on non-dimensional index for concurrent fault diagnosis.
由参数模型计算的阶跃响应与频率特性上计算时域与频域的动态性能指标才比较合理。
It is more reasonable that the dynamic performance index both in frequency domain and in time domain should be calculated from model calculated frequency response and unit-step response.
应用信号处理相关处理方法对数据进行预处理,时域、频域分析,进行平稳性指标、舒适度计算,得出相关处理结果,输出报表。
Use relative signal processing method to pre-processing data, make time domain and frequency domain analysis, calculate the ride index and comfort, obtain relative results and export reports form.
HRV时域与频域指标与左室收缩功能指标之间几乎均无相关性(P>0 .0 5 ) ;
The indexes between HRV and left ventricular systolic function revealed no correlation (P>0.05);
HRV时域与频域指标与左室收缩功能指标之间几乎均无相关性(P>0 .0 5 ) ;
The indexes between HRV and left ventricular systolic function revealed no correlation (P>0.05);
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