output power spectrum meaning in English
输出功率谱
Examples
- Based on the requirement and target of the projects , firstly , pcf bragg grating are investigated theoretically and experimentally . moreover , the effects of filling high refractive index material ( nematic liquid crystal , nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ) , farther , several novel pcfs are proposed and designed . lastly , we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser , which integrate all performances of broad - band tunable wavelength , uniform output power spectrum , high repeat frequency and high average power to together
本论文选题于国家973 、 863以及国家自然科学基金等项目,结合课题的要求和主要目标,在对光子晶体光纤( pcfs )传输特性研究的基础上,首先对光子晶体光纤光栅进行了理论和实验研究;然后,采用平面波展开法和有限单元法分析了在光纤的空气孔中填充高折射率液晶对光纤传导机制和传输特性的影响,提出并设计了几种新型光子晶体光纤;最后,提出并研制成功连续可调谐、输出功率谱均衡的全光纤化、高功率包层泵浦铒镱共掺光纤激光器实验样机。 - Secondly , we present the set of nonlinear partial differential equations that describes the wave - particle interaction , by analyzing the output power spectrum , the limit cycle and chaotic oscillation of the radiation field in the traveling wave tube ( twt ) amplifier and the magnetically insulated transmission line oscillator ( milo ) are studied numerically , respectively
接着，在论文的第三章和第四章我们从导出了一组用于描述场和电子相互作用的非线性偏微分耦合方程组开始，利用频谱分析法，以行波管( twt )放大器和磁绝缘传输线振荡器( milo )为例，数值研究了o型器件和m型器件中场的极限环振荡和混沌行为。