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单词 self-noise
释义 self-ˈnoise
[self- 5 b.]
Noise generated directly by a particular object.
1953Jrnl. Acoustical Soc. Amer. XXV. 314/2 The self-noise characteristics of this [wind]screen were measured at two wind speeds as a function of the frequency.1954L. L. Beranek Acoustics vi. 174 The self-noise produced by an electrostatic microphone is that produced by the d-c resistance of the crystal or dielectric shunted by the capacitance.1960McGraw-Hill Encycl. Sci. & Technol. XII. 504/1 Self-noise increases rapidly with the speed of the ship.1975D. G. Fink Electronics Engineers' Handbk. xxv. 125 Self-noise has many directional characteristics..; ambient noise generally has an omni-directional distribution.
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