单词 | spectrogram |
释义 | spectrogramn. A photograph of a spectrum. Hence, more widely, a visual representation of a spectrum of any kind. ΘΚΠ society > leisure > the arts > visual arts > photography > a photograph > [noun] > scientific and technical selenograph1868 spectrograph1891 spectrogram1892 autophotograph1904 comparison plate1905 electronograph1970 the world > matter > physics > electromagnetic radiation > light > chromatism > [noun] > spectrum > instrument for examining > visual record spectrograph1884 spectrogram1892 the world > matter > physics > science of sound > vibration > instrument for analysing vibration > [noun] > with visible output > as graph or diagram > graph or diagram harmonogram1902 spectrogram1939 sound spectrogram1945 sonogram1950 audiospectrogram1957 sound print1969 audiospectrograph1992 1892 Pall Mall Gaz. 17 Feb. 7/2 The spectrograms of the star show two spectra, one above the other. 1900 Edinb. Rev. Apr. 474 There must be a suspension of judgement in the matter until spectrograms of nebular nuclei can be produced in evidence. 1939 Amer. Speech 14 313/2 Examination of eleven subjects singing the vowel ‘ah’ normally and after hydrogen inhalation... Illustrated with acoustic spectrograms. 1961 Brit. Birds LIV. 388 The original spectrograms have a frequency scale from 0 to 10 kilocycles per second. 1975 Nature 25 Sept. 295/1 Spectrograms obtained with a Carnegie image tube on the 2·1-m telescope at the Kitt Peak National Observatory have been used to complete the determination of radial velocities for 50 of the 52 galaxies. 1978 Hi-Fi News Sept. 175/1 None of these, however, exceeded −70dB ref. 36 V RMS across the load (shown in spectrogram fig. 2). 1981 Amer. Speech 1977 52 237 The degree of centralization was determined by the use of a bilogarithmic scale in measuring the spectrograms of eighty instances of /aɪ/. This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2019). < n.1892 |
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