ka波段i_q矢量调制器研究

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1、目录3.1Ka波段分支线耦合器设计....................................................................................263.1.1定向耦合器概述..............................................................................................263.1.2Ka波段3dB分支线耦合器设计...............................................

2、......................283.2平面魔_T设计........................................................................................................323.2.1威尔金森功分器原理.......................................................................................323.2.2微带平面魔_T设计.....................

3、.....................................................................333.3鳍线-微带过渡设计................................................................................................383.4本章小结..........................................................................................

4、.......................39第四章I_Q矢量调制器的仿真设计...........................................................................404.1I_Q矢量调制器无源电路部分仿真设计...............................................................404.1.1平衡双相衰减器设计............................................................

5、...........................404.1.2平衡I-Q矢量调制器输入端耦合器仿真........................................................464.1.3输入端耦合器级联仿真...................................................................................484.1.4过渡到输入端耦合器级联仿真..................................................

6、.....................494.2PCB板电路设计......................................................................................................51第五章平衡I-Q矢量调制器的性能测试..................................................................525.1矢量调制器的测试结果以及误差分析...................................

7、...............................525.2改进方案.................................................................................................................61第六章总结与展望......................................................................................................62致谢.........

8、......................................................