“超外差接收”的概念、定义、翻译、参考文献-科学参考

单词	超外差接收
释义	超外差接收 Encyclopedia 工学【通信基础理论】释 superheterodyne receiving超外差接收将接收到的已调高频信号（即调制后的高频信号）送到混频器，然后与本地振荡器所产生的高频信号进行混频，在其输出端得到的波形包络形状与输入高频信号相同，但频率却降为某一固定中间频率（简称中频）的信号接收技术。
随便看	Theseus the Seven Former Scholars Society The Seven Lamps of Architecture the Seven Latter Scholars Society The seven poets of Yantai The Seven Samurai The Seventh Company The Seventh Seal The Seventh Sister and the Snake Lad the seventy-five dharmas (of the Abhidharmakośa-bhāsya) the seven wastes The Seven Who Were Hanged The Seven Year Itch the severe debris flow hazards in wenjia gully，Sichuan province the sex/gender system The Shadow of Arms The Shang City Site Park of Zhengzhou The Shanghae Serial The Shanghai Institute of Applied Physics(SINAP)of the Chinese Academy of Sciences The Shanzuo Scholars Society The Shaolin Temple the shared development The Shaw Screen: A Preliminary Study The Shawshank Redemption the shelf break zone

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