振幅

PVI automatically and continuously calculatesthe respiratory variations in the plethysmography waveform amplitude.

PVI 自动连续地计算出在脉搏氧饱和度仪的描记图中的波形振幅中的呼吸变异。

The relationship between the amplitude reflectivity of linear polarized light and the refractive index of medium material was studied.

研究线偏振光的振幅反射率与介质折射率的关系，提出一种测量介质材料折射率的方法。

For time-varying amplitude PPS in white complex Gaussian noise,the strong convergence of estimates of HAF and the highest order polynomial plase coefficient is proved.

对于复高斯白噪声污染的时变振幅多项式相位信号，证明了其高阶模糊函数样本估计和相位多项式最高阶系数估计的强收敛性质。

While deriving the effective potential by calculating the elastic scattering amplitude between quark-antiquark,one would encounter the ordering problem.

由动量空间计算得到的夸克和反夸克之间的散射振幅推导坐标空间等效势时，总要出现算符排序问题，这是一个量子力学中长期存在而又未能得到很好解决的重要问题。

The electrocardiographic features of early repolarization can be quite diverse, with patterns of varying amplitude and configuration, most commonly in the right precordial leads.

心电图中所描记的早期复极无论在振幅和形态上都变化多端，而且多在右心前导联上常见。

The main frequency of rockburst precursory signals is about 0~50 Hz by measurement in field, and amplitude is lower.

现场监测表明，冲击前兆微震信号的主频为0～50 Hz，且振幅较低。

The results of the spectrum analysis show that the first wave in the harmonic waves is preponderate in the harmonic waves, the significant areas are North, Northeast, South-west and South of Chain, and the maxium values of amplitude occure in July and August.

对各站每年月雨日序列的波谱分析表明，我国大部分地区年周期的(第1谐波)振动在与其余波动比较中占绝对优势，显著地区是华北、东北、西南及华南地区，振幅最大值出现在7—8月份。

The primary pressure maximum and minimum occur during the daytime at 0900L and 1500L, respectively, while the secondary maximum and minimum during the nighttime at 2200L and 0400L, respectively. Additionally, the amplitude extremes of the primary pressure oscillations are larger than the secondary extremes.

每日最高气压和最低气压皆在日间（0900L和1500L）发生，因台北盆地日间受太阳辐射增温之影响，其气压振幅较大，且两者的相位也比一般中纬度地区提早1小时。

The effect of the main design parameters on the dynamic characteristics of the principal axis system is discussed by caculating natural requency and the swing at cutting point.

通过计算系统固有频率和切削点的振幅，分析了主轴系统的主要设计参数对系统动态性能的影响，为主轴系统的设计及优化提供了一定的理论依据。

The main contents include the ray phenomenon and its generation conditions; the deduction and physical illumination of wave action conservation equation and wave number conservation equation; ray theory for sinusoidal waves; Fermat's principle; the variation of amplitude in the case of straight and parallel depth contours and circular depth contours; the amplitude near the caustics; wave trapping; deduction of mild-slope equation and the relevant numerical solution methods.

讲授折射现象及其发生的条件；波作用守恒方程和波数守恒方程的推导及物理解释；稳恒正弦波的控制方程及射线方程；费马原理；利用射线方程研究等深线是平行直线和圆周线时波振幅的变化，特别是焦散线附近波高的变化以及由此而产生的波的俘获；缓坡方程的推导及有关的数值求解方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。