Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 166
s from onesound, and the forced vibration constitutes another, thelatter is often called a resonance. This term has, however,been extended to cases where neither driver nor driven aresounds at all, but are very different primary forces andresponsive motions. Further, the greater the dependenceof… … Fio. 39b.—Sharpness of Resonance. Wre find from equation (16) that 1-6 -f- A = —9 = S sayb 4*r an where S denotes what we may call the sharpness ofresonance, since it expresses the ratio of the fractionaldiminution of b to the square of A which causes it. Hencethe sharpness of resonance thus…
Sound
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