superheterodyne receiver
A radio receiver that mixes (beats or heterodynes) a locally produced frequency with the incoming frequency
To act or perform beforehand
A kingdom in Scotland situated around Moray and Easter Ross, which existed from the 4th to 10th centuries.
One who plagiarizes; or lifts the words, writings, or ideas of another, and passes them off as his or her own, thus engaging in plagiarism; a literary thief
技師は、局部発振周波数と受信信号を混合して受信信号を一定の中間周波数に変換することで選択度を向上させる受信機の仕組みを説明した。
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DiQt（ディクト）
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