VDF? Very – high – frequency Direction Finder?

甚高频测向器?。

youdao

We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.

对三波道干涉仪测向结果不受幅度调制和频率调制（相位调制）的影响进行了数学分析。

youdao

We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.

对三波道干涉仪测向结果不受幅度调制和频率调制（相位调制）的影响进行了数学分析。

youdao