1) square wave input
方波输入
1.
The method uses a square wave input and the stability of the system to extract the internal relation between the output Sampling signals and the structural parameters.
该方法利用方波输入和系统稳定性，离析出输出采样信号与结构参数的内在联系，推导出确定连续系统结构参数的算法。
2) traveling wave excitation
行波输入
1.
On the basis of which the seismic response time-history analysis of the bridge under consistent excitation,multiple-point excitation and traveling wave excitation are carried out.
结果表明,行波输入对该桥地震反应最为不利,使得结构关键截面内力显著增加;多点输入对结构地震反应的影响比较复杂,使有些构件内力反应增加,有些减小,但增加和减小的幅度不大。
2.
The seismic response of the arch bridge under the vertical direction unique support excitation and traveling wave excitation are calculated by the finite element procedure respectively.
采用有限元程序计算分析了该拱桥在竖向地震动行波输入和一致输入下的动力反应,通过结果对比反映出行波地震反应并不简单随波速单调变化的现象。
3.
Taking a certain long-span arch bridge as the example,this article calculated and compared the seismic responses of the arch bridge under three kinds of traveling wave excitation.
以某大跨公路拱桥为例,通过对拱桥在三种行波输入模式下地震反应的对比计算,提出了拱脚行波输入的简化输入方式;利用拱桥结构的对称性特点,提出了多点输入下半拱叠加的简化计算方法。
3) wave motion input
波动输入
1.
Numerical analysis results show good accuracy of the wave motion input method and large effect of Rayleigh wave on the dynamic response of shallow underground structures.
基于粘弹性人工边界提出了Rayleigh波的时域波动输入方法,在此基础上研究了Rayleigh波作用下地下隧道的动力反应特性,重点研究了埋深对结构动力反应的影响。
2.
Finally,the method of wave motion input i.
建立了考虑非线性效应的无限成层地基波动模拟的时域人工边界条件及相应的波动输入方法。
3.
In order to refine the technique of wave motion input in this method, a simple and convenient time-step numerical simulation method of wave motion input is proposed in this paper for replacing the calculation of free field in the frequency-domain, and then the analysis of structure response can be performed co.
为完善其中的波动输入技术，本文提出了一种波动输入时步数值模拟的简便方法，替换对自由场的频域计算，从而使结构反应分析可以完全通过时步数值模拟实现。
4) in Waveguide
输入波导
5) Waveform Input
波形输入
6) input wavelet
输入子波
补充资料：计算机输入/输出控制系统(见计算机输入/输出系统)
计算机输入/输出控制系统(见计算机输入/输出系统)
computer input/output control system
iisuanii shuru/shuehu kongzhi xitong计算机输入/输出控制系统(com-puter inPut/ou中ut eontrol system)见计算机输入/输出系统。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条