由于长周期光栅在较高次包层模谐振时的特殊性，在光栅制作的过程中会出现与其它包层模谐振不同的特性。
Since the characteristics of higher order cladding mode resonances are specific in LPG, it will exhibit different phenomena during the process of grating manufacturing.
本文主要研究了聚合物长周期光纤光栅的传感特性及掺偶氮聚合物长周期光纤光栅的制作。
In this paper, we presented a research of the sensing characteristics of polymer Long period grating and its inscribing.
本文应用耦合模理论分析了长周期光栅的光谱特性。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
因此，从洗手液的产品特性、市场前景来看，它是一个市场生命周期长、蕴藏着丰富市场潜力的产品。
So, from its product property and the market prospect, the hand lotion must be of long lifetime in hand washing product market.
介绍长周期光纤光栅基本工作原理、器件特性和制备方法，同时对这种器件在光通信和传感系统中的应用状况作了简要概述。
The present paper introduce mainly basic principle, device characteristic and making method of long-period fiber grating and outlines the application status in optical communication and sensor system.
研究了高频CO2激光脉冲写入的长周期光纤光栅在扭曲状态下的横向负载特性。
The transverse load characteristics of twisted long-period fiber grating (LPFG) written by high-frequency CO2 laser pulses was demonstrated.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究，推导出谐振波长应变灵敏度的解析表达式。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
从理论和实验上研究了长周期光纤光栅用于掺铒光纤放大器自发发射谱增益平坦展宽的特性、自增益谱的荧光峰和可用带宽。
In this paper, the properties of ASE gain flattened of EDFA are studied based on energy level and particle number shifting of EDFA both theoretically and experimentally.
林木资产评估必须考虑其生长周期长和不同生长阶段的生理特性与经济价值不同的特点。
In forestry assets assessment the long growth cycle and the different physiological characteristics and different economic values at different growth stages should be taken into consideration.
分析了长周期光纤光栅(LPG)的啁啾特性和切趾特性，给出了基于LPG的增益平坦滤波器可调的理论依据。
The chirp and apodization characteristics of long-period grating (LPG) are analyzed, and the theoretic foundation of adjustable gain flattening filter based on LPG is provided.
写于载氢光纤上的长周期光纤光栅经过高温退火后 ，对其进行紫外均匀曝光能够有效改变其耦合特性。
UV uniform exposure can effectively vary the coupling characteristics of the annealed long period gratings (LPGs) in hydrogen loaded fiber.
为研究长周期地震动反应谱特性，本文首次采用了地震学研究所使用的宽频带数字地震记录作为数据基础。
In this paper, we use the digital broad-band records to study the characteristics of long-period ground motion.
从理论和实验上研究了长周期光栅的折射率特性和双折射效应，阐述了其实际应用价值。
The refraction index sensitivity and birefringence effect for LPG were analyzed, and their practical application were expound.
实验研究了该型长周期光纤光栅的压力和温度特性；结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
文中同时对长周期光纤光栅的光谱特性进行分析和数值模拟，为长周期光纤光栅的制作和传感研究提供理论参考。
Theoretical analysis and numerical simulation of transmission spectral characteristics is a good reference to the fabrication and sensor application of LPFG.
柔性翼的长周期和短周期模态的衰减特性和阻尼特性略优于刚性翼。
The longitudinal response frequency and damping features of the flexible wing at both modes of long and short periods are also better than those of the fixed wing.
用丰富的高质量数字强震记录对台湾集集大地震及余震的长周期地震动特性进行了研究。
The study of long-period seismic wave is significant to the seismic design of the large-span engineering structures with long auto-oscillation period.
用丰富的高质量数字强震记录对台湾集集大地震及余震的长周期地震动特性进行了研究。
The study of long-period seismic wave is significant to the seismic design of the large-span engineering structures with long auto-oscillation period.
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