| 1. | Unsteady flow analysis of vibrating cascade under flow structure coupled condition
气固耦合振动叶栅非定常流动分析研究 |
| 2. | The analysis of order and coupling conditions for a class of parallel combined multi - rate methods
方法的阶条件和耦合条件分析 |
| 3. | An internal coupling condition satisfied the conservation of flux is used in the domain decomposition method
区域求解算法中提出了一种满足通量守恒的内边界耦合条件。 |
| 4. | But because of the higher modules loss caused by the coupling condition , the total transmission rate of the system can only reaches 65 %
但由于耦合时在空芯光纤中造成一定的高阶模式损耗，整个激光传输系统的传输效率不是很高，仅65左右。 |
| 5. | By the ray tracing in the channel waveguide , the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized
通过几何光学法追迹泵浦光线在波导中的传播，系统地分析了泵浦光束与波导相对位置变化对泵浦耦合效率的影响，进而确定最佳耦合条件。 |
| 6. | This thesis analyse the linear theory of gyro - twt with spiral corrugated waveguide and two - beam coaxial gyrotron . first of all , base on the theory of coupled - wave , the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation
首先,在耦合波理论基础上运用阻抗微扰法分析了内开槽螺纹波导的冷腔色散特性,通过数值运算作出了冷腔色散曲线同时用三维粒子模拟软件进行了相应的冷腔分析。 |
| 7. | Second , the structural dynamic equations for blades are introduced in this paper . through numerically solving the aerodynamics - structure coupled equations , a 2 - d unsteady viscous flow in a single cascade is investigated under flow - structure coupled conditions , and a preliminary analysis of the cascade flutter is prosecuted
其次，本文引入叶片结构动力学方程，通过数值求解气动结构耦合方程体系，研究了气固耦合条件下叶栅内的二维非定常粘性流动，并初步进行了叶栅的颤振分析。 |
| 8. | Through additional sensor and signal processing device , the measurement and analysis can be carried out on the vibration parameters of vehicles with vertical vibration and longitudinal angular vibration under a non - coupling condition , and then carrying out quantitative analysis and research on the effect of vibration reduction of vehicles suspension system
通过外加传感器和信号处理装置，可对非耦合情况下垂直振动和纵向角振动车辆的振动参数进行测量和分析，进而对车辆悬挂系统的减振效果进行定量的分析和研究。 |
| 9. | Silicon v - groove structure can provide fiber with high precision orientation . so the problems about how to make light into soi efficiently and coupling between multichannel waveguide devices and fibers can be solved . the coupled mode theory of single - mode fiber and ridge waveguide has been described and analyzed , and the best coupling condition is obtained
本文围绕硅v型槽的设计和制作，从理论上详细分析了单模光纤与脊形波导的模式特点，得出最佳的耦合条件，在此基础上设计出最合适的硅v型槽结构。 |
| 10. | Based on the coupled mode theory , the reflect spectrum of ofbg is derived . the influenced of grating length , coupling coefficient and chirp coefficient to the maxium reflectivity and reflection bandwidth of ofbg are discussed in details . we find that under weak couple conditions ( the couple coefficient k < 1 ) , the reflect spectrum of an ofbg approximately has a characteristic of sa2 ( x ) shape , which matched to the power spectrum of an optical communication signal
本文在利用耦合模理论对均匀及线性啁啾变迹光纤光栅( ofbg ： opticalfiberbragggrating )的反射谱进行分析的基础上，发现弱耦合条件下(耦合系数1 ) ，均匀ofbg的反射谱具有类似与sa ~ 2 ( x )函数的分布特性，从而创新提出利用ofbg对光纤通信系统中光放大器的ase噪声进行匹配光滤波的设想。 |
