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This paper presents the method of computation for waveguides partially filled with dielectric by using finite-difference time-domain method.

给出用时域有限差分方法计算电磁场问题的差分格式，详细介绍了FDTD法分析介质填充波导截止频率的计算过程。

According to the least square method of function,the nonlinear state of ferromagnetic dielectric material is analyzed in this paper,and the function theory equations of flux variated along with time are established.

根据函数的最小二乘法分析铁磁介质材料非线性状态，建立起磁通随时间变化的函数理论方程。

In chapter 3, the general circumstance of microwave oscillator with dielectric resonator and electronic tuning are introduced, and we analysed the principles and methods of design, then we discussed the principles and designing methods of varactor diode tuning according to the principle of the FET oscillator.

第四章先介绍了FET倍频器和放大器的基本理论，然后介绍了分析设计倍频器和放大器的两种重要的方法：谐波平衡法和S参数法。

The measurement results show that the MEMS bridge fully suspend over the signal line of CPW, do not adhere to dielectric layer and has very strong three-dimension effect under up-state. Moreover the simulation results agree with test results very well, this demonstrates that the method combining equivalent cicuit theory and simulation tool, which analyze the RF performance of RF MEMS devices, is feasible.

测试结果表明：器件射频性能的模拟值和测试结果吻合很好，证明了等效电路理论与仿真工具相结合的方法分析RF MEMS器件的可行性；器件的微结构已完全成型，立体感强，与介质层无粘连，桥本身也非常挺直。

Based on Douglas operators, the modified wide beam propagation is presented and the number dissipate is minimized without nearly increasing the memory and computing time. The method is also more stable and accurate than ordinary WBPM. Finally, A novel wide-angle low-loss dielectric slab waveguide Y branch is presented and analyzed by modified WBPM.

接着，本论文还分析广角BPM差分格式所具有的数值色散来源，并在不增加计算时间和内存的前提下，应用Doglas算子大大地减小数值色散带来的误差，提高了计算精度，提出了改进的WBPM，而且还发现这种方法有具计算稳定的优点。

The results indicated that their dielectric tangents were relatively smaller than those reported in other articles.

经电学性能测试，三种陶瓷的介电损耗与相应的其他文献报道的数据相比，均较小。

A process for preparing superthin SiN film used as the protecting or dielectric layer of microelectronic or photoelectric material by electronic cyclone, resonance and microwave plasma technique is disclosed.

用电子回旋共振微波等离子体技术，适合于单晶Si衬底片，在一定微波功率条件下，通过调整(N2)/气体流速比，气压和生长时间控制薄膜厚度，在低温下生长超薄SiN薄膜。

The dielectric barrier discharge process in the NOx O2 mixture gas was simulated, and the γ-Al2O3 spherules in the gas gap were found to increase the space electric field.

模拟了NOx O2混合气体中的介质阻挡放电过程，发现γ-Al2O3小球使气隙中的空间电场在小球间的接触点得到显著增强，从而增强气体放电过程。

The "critical divergence"," critical opalescence ", intensive oxidation, alterable dielectric constant, extraordinary solvating power and structure character of supercritical fluids are reviewed,and geological applications of supercritical fluids are discussed.

超临界流体具有一系列特殊性质，如，临界发散性、&临界乳光&、强氧化性、可变的介电常数、较强的溶解性等。

SolGel derived TiO〓 films were used as dielectric layer and sputtered silver films were used as metal layer.

本论文就D/M/D结构的纳米颗粒透明隔热涂层进行了理论和实验上的研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。