另外，本文对波导到微带的对极鳍线过渡和中频低通滤波器做了改进。

In addition, the waveguide to microstrip transition and the IF low pass filter are improved, which are used in the mixer.

youdao

另外，本文对波导到微带的对极鳍线过渡和中频低通滤波器做了改进。

In addition, the waveguide to microstrip transition and the IF low pass filter are improved, which are used in the mixer.

youdao