射频卡发卡管理系统的PC端软件，和小型数据库软件配套使用，可以管理持卡者身份等-RF Card Management System PC software, database software and supporting small use, cardholders can manage identity

这是一个关于ADS仿真软件的实验指导书，我本科毕业设计用到的，可以帮助熟悉该软件并进行简单的课程设计-This is an experiment on the ADS simulation software to guide book, I used in undergraduate graduate design can help a simple familiar with the software and curriculum design

射频低通滤波器、带通滤波器、Chebyshev滤波器等射频滤波器的设计。 对新手入门非常有用，也有助于老手进一步理解射频滤波器中各种器件 参数对滤波器幅度频率特性、相位频率特性的影响。(RF filters such as RF low pass filter, bandpass filter, Chebyshev filter and so on. It is very useful for beginners, and it helps the old hands to further