| 释义 |
autocorrelation|ˌɔːtəʊkɒrɪˈleɪʃən|
[f. auto-1 + correlation.]
A correlation between all the elements of a series and those separated from them by a given interval (see quot. 1951). Also attrib. Hence ˌautoˈcorrelator, an apparatus for computing autocorrelations.
1950Jrnl. Acoust. Soc. XXII. 677 (title) Autocorrelation analysis of speech sounds. 1951Amer. Jrnl. Psychol. LXIV. 258 An autocorrelation is simply a correlation computed between all items of a series, and the items that follow any given item by one, two, three, or more steps, or by corresponding time-intervals. Ibid. 262 The autocorrelator is directly connected to the output. 1956J. Whatmough Lang. v. 76 The quantitative criterion..might be established by some electrical apparatus, such as an autocorrelator. 1965Math. in Biol. & Med. (Med. Res. Council) i. 37 The computer is being used to apply the mathematical techniques of autocorrelation and cross-correlation to the interpretation of the EEG in the treatment of temporal lobe epilepsy. |