“superheterodyne receiving”的概念、定义、翻译、参考文献-科学参考

单词	superheterodyne receiving
释义	superheterodyne receiving 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	Chinese animal medicinals Chinese Annals of History of Science and Technology Chinese Ape Man Chinese approved drug name Chinese arborvitae chinese arborvitae kernel chinese arborvitae twig and leaf Chinese Archery Association Chinese Architecture Chinese architecture Chinese Archival History Chinese Archives of Traditional Chinese Medicine Chinese Archives Subject Thesaurus Chinese Art Chinese Art Digest Chinese Art Education Chinese Art Educational Association Chinese Art Education Encyclopedia · Chinese Opera Chinese art education ideology Chinese Artists Association chinese asafetida Chinese as a second language Chinese ash Chinese Association for Ancient Scripts of National Minorities Chinese Association for Applied Statistics

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