单词 | tight, loose etc coupling |
释义 | > as lemmastight, loose etc. coupling (a) A connection between two oscillating systems which results in a mutual dependence of their oscillations, so that an oscillation in one system causes an oscillation in the other and partly determines its character; spec. (and originally) such a connection (physical or inductive) between two electric circuits. Also, the strength of this interdependence (so tight, loose etc. coupling). ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > connection with mutual dependence inductive coupling1907 coupling1908 1908 C. C. F. Monckton Radio-telegr. vi. 101 Where oscillations in one circuit set up oscillations in an adjacent circuit the two circuits are said to be coupled. If a considerable portion of the field of force of the first circuit is embraced by the second the coupling is fast; if only a small portion, the coupling is loose. 1923 E. W. Marchant Radio Telegr. iii. 30 The looser the coupling between the two circuits, the less rapidly is the energy of the oscillating circuit used up and the more persistent is the oscillation of the aerial. 1925 P. J. Risdon Crystal Receivers & Circuits 22 There is another form of coupling, known as loose-coupling, in which the aerial circuit and receiver couplet are quite separate. 1927 I. B. Crandall Theory Vibrating Syst. ii. 44 The effect of the elastic connection or ‘coupling’ between the two vibrating masses. 1948 P. M. Morse Vibration & Sound (ed. 2) ii. 59 Whenever the coupling is small and the frequencies of the two oscillators are not equal, the amplitude of one motion will be much larger than that of the other. 1953 E. G. Richardson Technical Aspects Sound I. xviii. 506 The reed is now coupled to a pipe resonator. In this case the coupling is loose and the vibration of the reed is predominant. 1959 B. I. Bleany & B. Bleaney Electr. & Magn. ix. 233 The coupling through the capacity decreases with frequency, because of the fall in the impedance common to the two circuits. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors xi. 244 One of the first decisions to be made in the design of a multi-stage amplifier involves the choice of the method of coupling between stages. 1968 H. J. Pain Physics of Vibrations & Waves iii. 56 A mechanical example of stiffness coupling between two pendulums. < as lemmas |
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