对于高频的电路设计，就必须要考虑阻抗匹配的问题，否则信号的质量和传输距离就会受到严重影响，本文介绍了如何理解阻抗匹配的问题，是难得得资料。-For high-frequency circuit design, it is necessary to consider the problem of impedance matching, or the quality of the signal and the transmission distance can be severely affected, this article describes how to understand impedance matching is rare information.