摘要
本文首先利用矩量法计算平面馈电型微带贴片天线的输入阻抗 ,并对其进行实验测量 ;其次 ,使用谐波平衡法分析了以 Gunn管为振荡源的有源微带天线电路。在求解谐波平衡方程时采用 Powell优化法 ,得出整体电路的振荡频率和振荡电压 ;再次 ,仍使用谐波平衡法对肖特基二极管与微带贴片天线集成的接收型有源天线进行大信号和小信号分析 ,同样经过优化 ,得出其在本振电压作用下 ,非线性部分的谐波电压以及在小信号电压作用下的变频损耗。
The Method of Moment (MoM) is used first for calculating the input impedance of microstrip patch antennas fed by microstrip line. Then the experiment on the mea surement of the input impedance is carried on. Second, Harmonic Balance Techniq ue (HBT) is used to analyze an oscillating type active microstrip patch antenna integrated with Gunn diode as the oscillating source. Powell optimization metho d is applied in solving the harmonic balance equations to obtain the oscillating frequency and voltage. Third, HBT is applied again for both the large and smal l signal analyses of a receiving type active microstrip patch antenna integrated with Schottky diode. The same optimization technique is used for acquiring the harmonic voltage responses to the local oscillation, and also the small signal conversion loss.
出处
《微波学报》
CSCD
北大核心
2000年第4期343-348,共6页
Journal of Microwaves
关键词
微带天线
有源天线
谐波平衡法
矩量法
Microstrip antenna
Active antenna
Harmonic Balance Technique
Method of Moments
