| 1. | A coplanar waveguide tunable bandpass filter using ferroelectric thin film
基于共面波导传输线的铁电薄膜可调带通滤波器 |
| 2. | The analysis for dispersion characteristics of asymmetric supportedbroadside - coupled coplanar waveguides by method of lines
用直线法分析非对称支持宽边耦合共面波导的色散特性 |
| 3. | Although there are many researches about cpw ' s , the most of them are given only for symmetric cpw ' s , and moreover , there is few literatures published about the studies of field patterns of coplanar waveguides
目前研究分析共面波导的文献较多，而对于非对称共面波导的研究成果较少，公开发表的共面波导场结构的研究成果则更少。 |
| 4. | The cross section of modulator electrodes we study is trapezoidal but not rectangular in common , so it is necessary to make an analysis of the effects of trapezoidal electrodes on the characteristics of coplanar waveguide
由于实际的电极横截面形状是梯形而非理想的矩形结构，研究梯形电极中间电极角度和地电极角度对调制器特征参量影响是十分有必要的。 |
| 5. | Three types of artificial neural networks , namely radial basis function network , feedforward network , stochastic network , and their application in the analysis of electromagnetic stop band structure in coplanar waveguide have been discussed
本文研究了以下三种人工神经网络：径向基函数网络、前向网络、随机网络，并用于分析共面波导中的电磁阻带结构。 |
| 6. | It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer , but the characteristic impedance can not match with that of the external circuit at the same time , and the modulation bandwidth is confined in this case
然后，用一般的椭圆积分计算了普通共面波导型调制器的有效折射率、特征阻抗和导体损耗系数。通过计算发现，采用厚电极和厚缓冲层结构，在实现速度匹配的情况下，可以大大减小导体损耗，但是由于阻抗不能同时满足匹配，调制带宽受到限制。 |
| 7. | This dissertation has made the following research : for the structures comprising discontinuities and three - dimensional specialities , which largely present in soc , the planar gap and the tridimensional vertical bend of shielded coplanar waveguide ( cpw ) , are analyzed respectively as two typical examples . the finite - difference time - domain ( fdtd ) method are used for electromagnetic simulation using its highly accuracy
采用具有高精度数值解的时域有限差分法，对屏蔽共面波导的平面型间隙结构和三维垂直互连结构进行全波数值仿真，首次得到这些结构的电特性分析，并给出不连续性等效电路参数。 |
| 8. | A new similarity method in fem is presented for researching of the problems about the nonuniform and irregular region , such as micromachined microwave coplanar waveguide . by using this method , we calculate the characteristic impedances of mems waveguide and analyse the change with its different dimensions . with the use of a recurrence relation , this new method not only use much less computer ' s memory than the conventional fem , but also simplify the post - process
对低阻硅衬底上实现v型槽mems共平面波导进行了详细深入的研究，提出并采用混合相似剖分有限元方法对不规则结构传输线的特性阻抗进行数值分析，在验证了方法的正确性基础上，进行了大量计算，并总结了常用50 、 120等阻抗传输线的结构参数。 |
| 9. | Coplanar waveguides ( cpw ' s ) offer several advantages over conventional microstrips , these include the simplification of the circuit fabrication process , ease of parallel and series insertion of both active and passive components ( without the need for via holes ) , and high circuit density . therefore cpw ' s are widely used in microwave and millimeter - wave integrated circuits , optical and high temperature superconductor microwave devices
与常规的微带传输线相比，共面波导具有容易制作，容易实现无源、有源器件在微波电路中的串联和并联(不需要在基片上穿孔) ，容易提高电路密度等优点，因此共面波导被广泛应用于微波、毫米波、光学和高温超导等集成电路中。 |
| 10. | This paper puts forward cpw structures and analyses their characteristic parameters . at this foundation , this paper brings forward asymmetric upper - low shielded coplanar waveguide structure and figures out it ' s resolved resolution . we can set up a uniform cpw " s simulation software pack at this foundation
本文分析了非对称共面波导结构的特性参数，对其结构与特性参数的关系进行了仿真，并对仿真结果的分析研究，在此基础上提出了上下屏蔽多层非对称共面波导结构模型，得到了该模型的特性参数的解析解，在此基础上可以建立共面波导电极结构的仿真软件包 |
