There was much contention on distributive characteristics and their production mechanism of person's QRS complex in time and frequency domain.
何伟 在人的QRS复合波的时域频域分布特征及发生机理问题上曾有过许多争论。
Furthermore, the amplitude of action potential was increased and the maximum upstroke velocity of phase 0 became much faster than that of the controls. However, the duration of QRS complex waves was reduced in ECG by the influence of ATX Ⅱ.
与其相对应，心肌细胞动作电位的电位幅值明显增加，0期最大除极速率Vmax显著增大，而静息电位基本不变；整体动物心电图出现QRS波波宽减小。
The principle of the algorithm is to calculate the quadratic sum of the first order difference of ECG and the second order difference of ECG in order to enhance the weight of QRS complex and suppress all kinds of noises.
该算法的原理是通过一、二阶差分运算并结合取平方的非线性运算，最大限度地抑制各类噪声同时提高QRS波群的份量。
Inerted P waes after the QRS complex, again with a constant PR interal, and obsered in the inferior limb leads, can suggest retrograde atrial actiation from a A junctional or entricular foci.
如果在下肢导联QRS 丛后P 波倒置，同时伴恒定PR间期，提示心房激动由房室交界或室性激动点激发。
The results were as follows:The coefficients of variationof R-R interval, P-Rinterval, duration of QRS complex, Q-T interval were all below l7%indifferent time or in different individuals, however, the CV of indexes in power spectnlm wasall above 2596, even the highest was 75%, These results suggested that the relative power ofhigh frequ...
结果如T：14只正常小鼠的各项心电指标中R－R间期、P－R间期、QRS波宽、Q－T间期等时域值的变异系数无论在不同个体间或同一个体不同时间都小于17％；而功率谱中各高频频段的相对能量的变异系数都大于25％，最高者可达75％。
S and percentile value of QRS wave complex amplitude of 4322 normal electrocardiographic waves were calculated.
本文报道不同年龄和性别几项常用的QRS波群复合振幅正常标准，供诊断参考。
Our investigation points out that it was incomplete correct that QRS complex of health subjects was triangular pulse like and their power spectrum had inverse-power law.
本文对此作了春季研究，指出：正常人QRS复合波都是三角脉冲样不全正确，其功率谱具有倒幂律不全对。
Secondly, the shape of QRS complex wave, RR duration variation and predominant rhythm are analyzed in detai.
第二，本文对QRS复合波群形态、RR间期变化和长时间心电信号的主导节律进行了详细的分析。
Recent studies have shown the benefits of CRT in heart failure patients with depressed ejection fraction and a narrow QRS complex, albeit in a small number of patients, and without a placebo arm.
近来研究表明EF值降低和窄QRS波群的心衰患者可从CRT治疗中获益，纵然这些研究只是在少部分患者中进行且没有有力的对照。
Objective:To investigate the value of Brugada's criteria and Griffith's criteria in the differential diagnosis of wide QRS complex tachycardia.
目的 ：探讨 Brugada法和 Griffith法在宽 QRS心动过速鉴别诊断中的价值。
On person's ventricular depolarization QRS complex, there were both waveforms of triangular pulse like and atriangular pulse like, and both types of single peak and inverse-power spectrum feature.
人的心室去极化QRS复合波有三角脉冲样波形，也有非三角脉冲样波形，其功率谱具有单峰和指数下降特征两种类型。
Methods:We selected 16 SD rats to set up models of myocardial ischemia and reperfusion, and observed the changes of P complex, QRS complex, T wave, S-T segment and the occurrence of arrhythmia in electrocardiogram of lead Ⅱ.
选取16只SD大鼠建立心肌缺血-再灌注模型，观察心电图Ⅱ导联P波、QRS波群、T波、S—T段和心律失常发生情况。
Wavelet transform; data fusion; multilead electrocar diagram; QRS complex detection
小波变换；数据融合；多导联心电图； QRS波群检测
Finally, the P wae should be considered in relation to the QRS complex.
最后，应该P波和QRS丛之间的关系。
The resolution rate of QRS complex was 99.48% both with relative index and absolute error index.
相关评价指标和绝对误差指标联合应用对QRS波群分辨率高达99.48%。
To explore changes of mean electrocardial axes (MEA) of QRS complex and T wave on frontal and transverse plane of ECG and relationship between MEA and sex age were analysed 2387 ECG of urban health inhabitants under 19 years of age.
为探讨青少年儿童心电图额面、横面QRS波群和T波平均心电轴与性别、年龄的关系，分析2387例19岁以下健康人群的心电图。
Rapid and accurate detection of the QRS complex is a key link in ECG automated analysis and diagnosis system, and at the same time eliminating effectively all kinds of noise interferences from ECG signal is the premise of accurate detection of various waves with features in ECG signal.
快速而准确检测出心电信号中QRS波群的位置，是心电信号自动分析和诊断系统中的一个关键环节，而有效消除心电信号中的各种噪声干扰是准确检测各种特征波的前提。
Wavelet transform is used to detect the QRS complex of ECG signal.
本文反小波变换应用于ECG信号的QRS波检测。
This system can detect QRS complex and analyze in real-time and embed file system, so the ECG data can be stored in text form and data's readability and translatability are enhanced.
系统采取实时的QRS波检测算法，并嵌入文件系统将心电数据以文本的形式存储，提高了数据的可读性和移植性。
Detection Method of the QRS Complex Based on Dynamic Adaptive Threshold
基于动态自适应阈值法的QRS波群检测方法