| 释义 |
decohere, v.|diːkəʊˈhɪə(r)|
[f. de- II. 1 + cohere v.]
trans. To restore (a coherer) to its normal condition of sensitiveness. Also absol., and intr. for pass. (Disused.)
1902How to make Useful Things 5/1 The purpose of the tapper is to decohere the filings after they are affected by the etheric waves. Ibid. 6/1 The tapper keeps busily at work decohering in response to the continuously closing circuit caused by the waves. 1923E. W. Marchant Radio Telegr. iv. 38 By using mercury, Lodge and others made coherers which decohered without tapping. 1924S. R. Roget Dict. Electr. Terms 58/2 A coherer is said to ‘decohere’ when it resumes its normal feebly conducting state on tapping or disturbance, after it has been made conducting by electrical oscillations, etc.
Hence decoˈherence, decoˈhesion; decoˈherer, a device for bringing a coherer back to its normal condition.
1899Marconi in Jrnl. Inst. Electr. Engin. XXVIII. 275 This coherer forms part of a circuit..which circuit works a trembler or decoherer and a recording instrument. 1902Science 21 Mar. 466 A short description of the single contact coherer used by him and an explanation of the so-called decohesion. 1902Young Engineer I. 371/2 As the coherer is continuously rotating, decoherence follows immediately on coherence. 1903Sci. Abstr. B. VI. 128 The self-induction of the telephone may have been sufficient to cause the decoherence. 1913Work 4 Oct. 7/2 The decoherer circuit. |