In order to formulate an adaptive detector of R peak with high accuracy,the proposed method e mploys HOS-based parameters,such as skewness and kurtosis.
为了高精度地计算R波,我们采用高阶统计参数,例如斜度和峰度,并运用该方法对MIT/BIH ECG数据库中数据进行分析,实验结果证明,检测率超过99%。
On this base,the skewness of high-order statistic analysis is used to test and verify the effectiveness of the conclusion.
在此基础上,利用高阶统计分析中的斜度概念验证此结论的有效性,并且通过仿真实验进一步说明了此方法的可行性。
The development of labeling function on taper and pitch in mechanical CAD system;
机械CAD中有关锥度和斜度标注功能的开发
Development of AutoCAD on labeling taper and pitch according with chinese national standard used ARX;
AutoCAD锥度、斜度国标标注的ARX二次开发
In the light of the problem of the calculation of the wingwall s b ac k slope ratio and the flap width when the slope is the general angle that often occurs in the construction of the highway s stone-arch culvert, and the problem of the lofting of the arch mouth stones of the round stone-arch culvert, this paper puts forward some practicable solving methods.
针对公路石拱涵施工中经常遇到的斜度为一般角时翼墙背坡坡率与襟宽计算问题,以及斜圆石拱涵拱口石放样问题,提出了实用的解决办法。
Using improved thick shell element program, this paper analyses the space mechanics of shoping plate arch bridge with varies slope, produces the difinition of limitation slope.
利用改进的厚壳元程序，详细分析了斜板拱桥在不同斜度情况下的空间受力特性，提出“界限斜度”的概念。
It analyzes in detail the influence of slope,crankling rigidity ratio,loading type and etc.
为了揭示斜支承曲线梁桥的力学特性,应用结构有限元分析软件ANSYS建立斜支承单跨曲梁模型,详细分析斜度、弯扭刚度比、荷载类型等对斜支承曲梁内力的影响,绘制的大量曲线清晰显示了各项因素对斜支承曲梁内力的影响规律。
The span as the parameter analysis is chosen and the seismic response of the different skew angle simple-supported skew girder bridges with the constant and seldom earthquake effect is analyzed.
以当前高速公路、立交枢纽工程和高架桥中出现较多的公路简支斜交梁桥为工程背景,在回顾斜交梁桥震害特征的基础上,利用多种计算方法(反应谱法、弹性时程分析法和弹塑性时程分析法等),选取跨径为分析参数,进行常遇地震、罕遇地震作用下不同斜度的简支斜交梁桥地震反应分析,得出简支斜交梁桥地震反应随跨径变化的变化特征,可为斜交梁桥的抗震设计提供理论参考。