查询词典 amplitude contraction

According to the comparative discovery with the value of theory and experiment: When the cross section ratio is smaller than 100, ANSYS artificial displacement amplitude vs the cross-section ratio represents the direct ratio.

通过与实验值理论值的比较发现：在粗细端截面积比大到100的范围里，ANSYS仿真的位移振幅放大系数与截面积比成正比。

The γ energy spectrums in NaI crystal detector are obtained by establishing a correlation between the deposit energy of γ photon and the output of pulse amplitude.

直接以γ光子在NaI(T1)闪烁晶体中的沉积能量近似对应实际γ能谱仪的脉冲幅度输出。从而得到NaI(T1)探测器中γ射线的响应谱线。

The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.

本文讨论了晶体单色器高次衍射形成的谐波对EXAFS振幅的影响。

By using this method, the angular frequency, amplitude, initial phase angle, decay constant of each component in transient voltage and/or current waveforms can be precisely extracted. Also, all other kinds of transient procedure can be analyzed by this method. Thirdly, a new definition of generalized instantaneous reactive power and generalized instantaneous reactive current in dq0 coordinates under any nonsinusoidal and unbalanced three-phase circuit is proposed for the first time. The detection and compensation method for different instantaneous reactive currents are also concerned.

本文首先提出了用于快速高精度频谱分析的一种改进快速傅立叶变换方法，该法具有速度快、精度高、抗混迭、不受采样定理约束、可以分析出谐次大于N／2的频谱系数等特点，可方便地应用于电力系统谐波分析及其它各类频谱分析；然后提出了基于非线性最小二乘优化法的电力系统暂态波形分析方法，可准确求出电力系统暂态电压、电流波形中各个分量的角频率、幅值、初相角及衰减常数，并可广泛应用于各类暂态过程波形分析。

The leakage current increases and some change in the amplitude and frequency spectrum of leakage current pulse signal occurs.

所采集的漏电脉冲信号幅度和频谱均发生了明显的变化。

The experiment results of a time-to-amplitude converter are given and various effects in linearity are dis cussed .

给出了实际时幅转换特性的试验数据及精度分析。

It is shown a new way for fast implementation of CWT based on amplitude modulation techniques for generating wavelet chain.

该方法利用幅度调制技术产生小波链实现小波变换，为小波变换的快速实现提供了新的途径。

This paper studied the fatigue properties of the plain concrete under constant amplitude flexural cyclic loading.

在室内混凝土试件弯曲疲劳试验的基础上，研究了素混凝土受弯试件在等幅重复荷载作用下的弯曲疲劳性能。

The fatigue tests of concrete on biaxial tension-compression under constant -amplitude cyclic loading with constant confined stress are described in this part of the thesis.

总结了混凝土边界面模型发展的历史及其基本概念，分析了混凝土边界面模型构建的一般方法。

Constant amplitude reversed cyclic load tests were simulated with the aid of software ANSYS/Fatigue, so that to obtain the used coefficient of fatigue life.

本文使用ANSYS/Fatigue软件进行了常幅偏移下的性能分析，来获取结构的疲劳寿命使用系数。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。