| 单词 | root-mean-square |
| 释义 | > as lemmasroot-mean-square root-mean-square n. Mathematics and Physics the square root of the arithmetic mean of the squares of a set of values; usually attributive; abbreviated RMS. ΘΚΠ the world > relative properties > number > arithmetic or algebraic operations > [noun] > mean meanc1450 medium1573 mediety1598 mediocrity1726 arithmetical mean1798 arithmetic mean1866 root-mean-square1895 mid-range1902 1895 Electrician 27 Sept. 721/1 A short time ago Dr. Fleming published a new and ingenious method of plotting wave forms with polar co-ordinates, and of directly obtaining therefrom the root mean-square value. 1956 A. A. Townsend Struct. Turbulent Shear Flow iii. 51 The rate of increase of the decay scale is proportional to the root-mean-square turbulent velocity. 1978 Nature 9 Mar. 143/2 We note here that sound pressures as well as displacement are expressed as root-mean-squares. 2006 Remote Sensing of Environment 102 148/2 The root-mean-square error (RMSE) during image rectification was less than 0.2 pixels. < as lemmas |
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