NanoVNA-F 10分钟快速入门视频教程（校准和驻波比、滤波器带宽的简单测量）：
https://www.bilibili.com/video/av66774942/
https://www.bilibili.com/video/BV13E411E7DY
https://www.bilibili.com/video/BV1fE41177UJ