中ちゅう間かん周しゅう波は数すう

noun

intermediate frequency; IF

Technical term in electronics, especially in superheterodyne receivers, referring to a frequency to which a carrier wave is shifted as an intermediate step in transmission or reception.

• スーパーヘテロダイン方ほう式しきでは、受じゅ信しん信しん号ごうを中ちゅう間かん周しゅう波は数すうに変へん換かんする。

  In the superheterodyne system, the received signal is converted to an intermediate frequency.