在第四章，首先分析基片集成波导和矩形波导的阻抗特性及电磁场模式特点。
In Chapter 4, the impedance characteristics and electromagnetic field modes of SIW and rectangular waveguide are analyzed firstly.
然后分别采用这几种方法分析了基片集成波导的传播特性并得出了一些设计公式。
At last the propagation performances of SIW are analyzed using these methods and some designing formulae are deduced at the same time.
相对于这些传统的传输线，SIW等基片集成波导具有低损耗、品质因数高、尺寸小等众多优点。
Compared with these traditional transmission lines, SIW have these favorable characteristics of low loss, high Q value, and small size.
首先介绍了基片集成波导(SIW)这一新技术，并用表面电流理论解释了电磁波在SIW中的传输模式。
A new technique called substrate integrated waveguide (SIW) is presented in this article, and then wave modes in the SIW structures are explained by using surface currents theory.
然后研究了半模基片集成波导的谐振和辐射特性，提出了一种微带馈电的采用半模基片集成波导结构的天线。
Then resonant and radiate characteristics of HMSIW are studied. Based on these characteristics, an HMSIW antenna is developed with microstrip line feeding electron.
分析了基片集成波导h -T和E - T和双t接头的特性，并对基片集成波导h - T接头进行了加工测试。
Then analyzing the characteristic of substrate integrated waveguide H-T, E-T and double Tee, and test the substrate integrated waveguide H-T.
同时，通过使用凹型过渡和接地共面波导过渡两种转换方式，解决了基片集成波导与微带线的过渡问题，从而解决了滤波器和有源微波电路的集成问题。
The transitions of SIW with microstrip are solved by using concave transition and grounded coplanar waveguide transition, which are convenient for filters synthesized with active microwave circuits.
同时，通过使用凹型过渡和接地共面波导过渡两种转换方式，解决了基片集成波导与微带线的过渡问题，从而解决了滤波器和有源微波电路的集成问题。
The transitions of SIW with microstrip are solved by using concave transition and grounded coplanar waveguide transition, which are convenient for filters synthesized with active microwave circuits.
应用推荐