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Look up heterodyne in Wiktionary, the free dictionary.
Heterodyne refers to a radio signal processing technique.
Heterodyne may also refer to:
- Characters in the anime television series Dai-Guard
- Characters in the webcomic Girl Genius
- Heterodyne (poetry)
- Heterodyne., Hellnear's doujin music circle
- Heterodyne detection
- Optical heterodyne detection