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

单词	superheterodyne receiver
释义	superheterodyne receiver [¦sü·pǝr`he·trǝ´dīn ri`sē·vǝr] ^ELECTRONICS A receiver in which all incoming modulated radio-frequency carrier signals are converted to a common intermediate-frequency carrier value for additional amplification and selectivity prior to demodulation, using heterodyne action; the output of the intermediate-frequency amplifier is then demodulated in the second detector to give the desired audio-frequency signal. Also known as superhet.
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