单词 | peak-to-peak |
释义 | > as lemmaspeak-to-peak peak-to-peak adv. and adj. (a) adv. between extreme values of a periodically varying quantity; (b) adj. measured or expressed as the difference between extreme values of a periodically varying quantity. ΚΠ 1922 Indianapolis Star 1 June 4/4 The radio waves are of definite length just as the ripples from a stone made in water are of different length measured from peak to peak.] 1945 Proc. Royal Soc. 1944–5 B. 132 425 Record (f), calibrating a.c. of 5 mV peak-to-peak and frequency 1000 per sec. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors ix. 219 The shift due to the rise in ambient temperature is thus relatively small and can be tolerated for peak-to-peak output-current swings of about 7 mA. 1967 Electronics 6 Mar. 80/2 (advt.) Model 900 Nanovolt Galvanometer. Noise: Less than 2 nV or (2 pA) peak-to-peak for all source resistances. 1991 Lancet 2 Mar. 517/1 The technique is based on peak-to-peak measurements of fast background electroencephalographic activity during a visual evoked potential (VEP) study. < as lemmas |
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