different between interference vs heterodyne

English

Etymology

From interfere +? -ence. The sense in physics was likely introduced by Thomas Young, which he used as early as 1802 in a paper in the Philosophical Transactions of the Royal Society.

Pronunciation

• IPA^(key): /??nt???fi??ns/
• (UK) IPA^(key): /??nt??fi??ns/

Noun

interference (countable and uncountable, plural interferences)

1. The act of interfering with something, or something that interferes.
2. (sports) The illegal obstruction of an opponent in some ball games.

   They were glued to the TV, as the referee called out a fifteen yard penalty for interference.

3. (physics) An effect caused by the superposition of two systems of waves.
4. A distortion on a broadcast signal due to atmospheric or other effects.

   They wanted to watch the game on TV, but there was too much interference to even make out the score on the tiny screen.

5. (US, law) In United States patent law, an inter partes proceeding to determine the priority issues of multiple patent applications; a priority contest.
6. (chess) The interruption of the line between an attacked piece and its defender by sacrificially interposing a piece.
7. (linguistics) The situation where a person who knows two languages inappropriately transfers lexical items or structures from one to the other.

Antonyms

• noninterference

Derived terms

Translations

English

Etymology

From hetero- +? -dyne.

Adjective

heterodyne (not comparable)

1. Of two oscillations: having two slightly different frequencies such that, when combined, they produce a beat

Noun

heterodyne (plural heterodynes)

1. The beat so produced
2. Either the sum or difference of the two oscillations

Verb

heterodyne (third-person singular simple present heterodynes, present participle heterodyning, simple past and past participle heterodyned)

1. To produce heterodyne interference in a radio
2. To change the frequency of a signal by such a process