| 释义 |
▪ I. slewing vbl. n.1
see slew n.4
▪ II. slewing, vbl. n.2
[f. slew v.]
1. gen. In senses of the verb.
1875Knight Dict. Mech. 2207 Slewing, in serving land artillery, turning the piece on the spot where it stands, equivalent to training on shipboard. 1892Pall Mall G. 27 July 5/2 The railway disaster..was brought about by the slewing of the up line.
2. spec. The response of a control mechanism or electronic device to a sudden large increase in input, esp. one that causes the device to respond at its maximum rate (the slewing rate or slewing speed). Usu. attrib.
1958O. J. M. Smith Feedback Control Systems vii. 201 The infrequent large-magnitude changes of the average input to a servo produce slewing of the output at maximum velocity. 1962R. N. Clark Introd. Automatic Control Systems vii. 270 The large signal (or slewing speed) response characteristics of a system. 1975G. J. King Audio Handbk. ii. 47 The maximum frequency at which full power can be obtained is a function of the amplifier's slewing rate, which is different from rise time. |