甚低频

甚低頻(VLF, Very low frequency)是指頻帶由3KHz到30 KHz的無線電波

VLF多數用作潛艇通訊、無線心跳頻率檢測器地球物理學研究等。另外對於雪崩時的人命及財產搜索,VLF亦起了一定的作用。

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