The result shows that the liquid sloshing appears as long period and combination of multi - modes 结果表明：罐内液体的晃动是长周期运动，并且是多阶振型的组合。
After the improvement , the working conditions are much better , attaining the aim of long - cycle production 经改进后，工作状态明显改现，实现了长周期生产的目的。
Those harddisks are used to save exceedingly long period wave data due to their huge storage capability 硬盘用作信号数据储存介质,由于其大容量,可以储存超长周期的信号波形。
Effects of the eh cladding modes and cross coupling of cladding modes on the spectral characteristics of long - period fiber gratings 包层模及互耦合对长周期光纤光栅谱特性的影响
All these unique characteristics are the application fundament of the novel lpfgs to optical communication and sensor systems 这些可调谐性为研发动态长周期光纤光栅增益均衡器奠定了基础。
2 . the mode coupling for the lpfgs is analyzed though both the mode coupling theory and transmission matrix theory 2 、详细阐述了长周期光纤光栅的模耦合理论和传输矩阵理论，并进行了模拟计算。
The hong kong observatory plans to acquire a broadband seismometer next year to replace the existing long - period seismometer 02秒至100秒的震动都有一定的敏感度，弥补了现时长周期及短周期地震仪的不足。
The goal of this paper is to develop the long period attenuation relationships for horizontal acceleration response spectrum of rock site in china 本文建立了我国水平向基岩长周期加速度反应谱衰减关系。
The characteristics of these lpfgs are also studied , including temperature , axial stress , refractive index , etching , et al . 首次利用高频co2激光脉冲在多种不同光纤中写入长周期光纤光栅，并研究它的特性。
The addition of a filter to induce higher spectral losses in the high - intensity region in edsfs is the primary choice recently 经过对几种滤波器发展情况及性能的对比,课题最终选择长周期光纤光栅( lpfg )作为平坦滤波器。
