underdampedadj.

Etymology: under- prefix¹ 5(a).Previous versions of the OED give the stress as: underˈdamped.

Of a physical system: incompletely damped; damped to the extent of allowing only a few oscillations after a single disturbance. Cf. overdamped adj.

ΘΚΠ

the world > matter > liquid > condition of being or making wet > condition of being slightly wet > [adjective] > made slightly wet > incompletely, of a physical system

underdamped1934

1934 W. V. Houston Princ. Math. Physics iv. 45 Write the expression for the work done by an under~damped oscillator against the damping force.

1951 S. Deutsch Theory & Design Television Receivers xiii. 431 If the feedback loop is underdamped, the oscillator frequency will swing below 15,750 cycles per second, whereupon the correcting voltage causes a swing above 15,750 cycles per second, etc. In other words, the oscillator will ‘hunt’ about the correct frequency.

1976 Water Resources Res. XII. 71/1 In the underdamped case the water level oscillates about the equilibrium level.

Derivatives

underˈdamping n.

ΘΚΠ

the world > matter > liquid > condition of being or making wet > condition of being slightly wet > [noun] > action or process of making > incompletely

underdamping1952

1952 D. E. Christie Intermediate College Mech. xii. 297 We shall limit our discussion to what is called underdamping.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).

单词	underdamped
释义	underdampedadj. Etymology: under- prefix¹ 5(a).Previous versions of the OED give the stress as: underˈdamped. Of a physical system: incompletely damped; damped to the extent of allowing only a few oscillations after a single disturbance. Cf. overdamped adj. ΘΚΠ the world > matter > liquid > condition of being or making wet > condition of being slightly wet > [adjective] > made slightly wet > incompletely, of a physical system underdamped1934 1934 W. V. Houston Princ. Math. Physics iv. 45 Write the expression for the work done by an under~damped oscillator against the damping force. 1951 S. Deutsch Theory & Design Television Receivers xiii. 431 If the feedback loop is underdamped, the oscillator frequency will swing below 15,750 cycles per second, whereupon the correcting voltage causes a swing above 15,750 cycles per second, etc. In other words, the oscillator will ‘hunt’ about the correct frequency. 1976 Water Resources Res. XII. 71/1 In the underdamped case the water level oscillates about the equilibrium level. Derivatives underˈdamping n. ΘΚΠ the world > matter > liquid > condition of being or making wet > condition of being slightly wet > [noun] > action or process of making > incompletely underdamping1952 1952 D. E. Christie Intermediate College Mech. xii. 297 We shall limit our discussion to what is called underdamping. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < adj.1934
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