阻抗匹配

http://blog.csdn.net/jamestaosh/article/details/4436203

 

http://www.keysight.com/main/application.jspx?nid=-34814.0.00&lc=chi&cc=CN

 

http://www.giga-science.com/home/facon.php?serial=23

 

http://www.dzsc.com/data/2014-9-25/106841.html