| 单词 | natural frequency |
| 释义 | > as lemmasnatural frequency natural frequency n. the frequency at which a mechanical or electrical system oscillates when not subjected to a continuous or repeated external force. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > vibration or oscillation > frequency > when not subject to external forces natural frequency1873 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > frequency > specific frequencies high frequency1842 natural frequency1873 resonant frequency1897 resonance frequency1898 low frequency1928 modulation frequency1930 quench frequency1938 gyrofrequency1941 Nyquist frequency1963 1873 A. Privat-Deschanel Elem. Treat. Nat. Philos. 827 The particles of the medium which flow past him will vibrate with the frequency v + a/ vn, but the waves will pass him with only the natural frequency n. 1908 J. A. Fleming Elem. Man. Radiotelegr. i. 33 If..oscillations are maintained which have a frequency different from the natural frequency of [the] circuit, they are called forced oscillations. 1922 R. Glazebrook Dict. Appl. Physics II. 961/1 If the natural frequency is nearly equal to that of the applied force..we have the phenomenon known as resonance. 1962 F. I. Ordway et al. Basic Astronautics ix. 370 Very serious problems arise if the lowest natural frequency of the vehicle approaches the control frequency. 1991 Professional Engin. July 57/2 The system comprises a number of pneumatic support units which allows free suspension of a machine at a low natural frequency. < as lemmas |
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