The book On the Uncertainty Relation for Real Signals was written by author Irvin W Kay Here you can read free online of On the Uncertainty Relation for Real Signals book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is On the Uncertainty Relation for Real Signals a good or bad book?
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If this condition is met, as it is in a large number of physical situations (in parti- cular, the quasi- mono chromatic optical wave trains with which Wolf is especially - 5 - concerned), than the uncertainty relation (8) can be replaced by the uncertain- ty relatica where the equality sign cannot be achieved, for the reason already mentioned o In this note, wo make two additions to the work of Gabor and Wolf, First, we develop a general inequality for the product /\t /\c d from which Wolf's re...sult follows in the special case F(0) ■ 0» In doing so, v« do not introduce the function f^(t) as an intermediate step. Second, we evaluate the uncertainty product /\t/\a> for a class of signals, whose positive frequency spectra are obtained by suppressing the negative frequencies in an arbitrary Gaussian function 1 r 2 2~1 g(ra, corres- ponding to functions of this type is always l*ss than 1/2, and becomes approxi- mately 0.
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