| 1. | A coaxial transmission line family with elliptical out er conductor 椭圆外导体同轴传输线族的特性阻抗 |
| 2. | Boundary element method based on the subregion solutions 用分域边界元计算微带内导体同轴传输线的特性阻抗 |
| 3. | A coaxial transmission line faimly consisting of circular and n - regular - polygonal inner conductor 边形内导体同轴传输线 |
| 4. | General purpose rigid coaxial transmission lines and their associated flange connectors - generic specification 通用硬同轴传输线及其法兰连接器总规范 |
| 5. | General purpose rigid coaxial transmission lines and their associated flange connectors - part 2 : detail specifications 一般用途的刚性同轴传输线及其连带的凸缘连接器.第2部分:详细规格 |
| 6. | General purpose rigid coaxial transmission lines and their associated flange connectors . part 1 : general requirements and measuring methods 一般用途的刚性同轴传输线及其连带的凸缘连接器.第1部分:一般要求和测量方法 |
| 7. | Conformal coaxial transmission lines are a kind of transmission lines with special cross - sections , and the research on their characteristic impedance is of great importance 共形同轴传输线是一种特殊截面的传输线,其特性阻抗的研究非常重要。 |
| 8. | The variational theory in electromagnetics and its application in computing the characteristic impedance of conformal coaxial transmission lines are presented in this thesis . input impedance of wire antennas is also computed with a hybrid method of variational principles and the finite - difference time - domain method 本文主要研究了电磁变分理论及其在共形同轴传输线特性阻抗的求解和与时域有限差分法相结合求线天线输入阻抗等方面的应用。 |
| 9. | First , with the variational method , the variational lower bounds of the characteristic impedance are respectively computed of the conformal coaxial lines with circular , regular polygonal and elliptical cross - sections . then the optimal variational lower bound of the conformal coaxial line with a square cross - section is obtained 本文首先用变分法求解了截面为圆形、正多边形和椭圆形的共形同轴传输线的特性阻抗的变分下界,得到了截面为正多边形的共形同轴传输线特性阻抗的变分最优下界。 |
| 10. | In this dissertation , a key point of the study is to build up a mathematical model of the character impedance the swr sensor . the structure of four equal - length probes can be viewed as a special form of coaxial hansnussion line . combining the character impedance of coaxial and the para1lel transmission line , the character impedance model of probe with eqtlaling length was built up by utilizing mathemaical theory of approach 本文将四针等长式结构的土壤水分探头看成是同轴传输线的特殊形式,从标准传输线特征阻抗入手,结合平行传输线,运用数学上常用的夹逼定理,得出了四针等长结构的土壤水分探头特征阻抗数学模型,由此提出swr型土壤水分四针不等长探头的特征阻抗数学模型。 |