单词 |
self-heterodyne |
释义 |
self-ˈheterodyne, a. Radio. [self- 1 e.] Being or employing a heterodyne receiver in which the same valve is used for the generation and rectification of local oscillations. Hence self-ˈheterodyning ppl. a. and vbl. n.
1918[see autodyne]. 1922Proc. IRE X. 245 In the various forms of self-heterodyne circuits a free oscillation of constant amplitude is maintained in the system and the circuit may be considered as having zero resistance, but only for that particular amplitude of current. 1929Duncan & Drew Radio Telegr. & Teleph. xii. 344 The circuit is commonly known as a self-heterodyning detector because the tube functions both as an oscillator and detector. Ibid. 351 (heading) The phenomenon of self-heterodyning. |

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