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ASSP Magazine, IEEE

Issue 4  Part 1 • Date October 1987

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Displaying Results 1 - 13 of 13
  • [Front cover and table of contents]

    Publication Year: 1987 , Page(s): 0
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  • Editor's message

    Publication Year: 1987 , Page(s): 2
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  • President's message

    Publication Year: 1987 , Page(s): 2 - 3
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  • Introduction to Einstein's contribution to time-series analysis

    Publication Year: 1987 , Page(s): 4 - 5
    Cited by:  Patents (2)
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  • Method for the determinination of the statistical values of observations concerning quantities subject to irregular fluctuations

    Publication Year: 1987 , Page(s): 6
    Cited by:  Patents (1)
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    Albert Einstein introduces the concepts of the autocorrelation and cross-correlation functions and proves that automatic instruments can be devised for their experimental determination. However, the main point of the paper is that he introduces the concept of a power spectrum (without the use of this term, which - like "correlation function" and "stationary"- do not appear until much later) and elucidates its physical meaning. He also indicates two possible ways of calculating such spectra from experimental data. The stress Einstein laid on the importance of the spectrum of power (of "intensity," as he called it) of fluctuating time series F(t) shows a striking physical intuition since no applications existed for this concept in 1914. View full abstract»

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  • Einstein's 1914 paper on the theory of irregularly fluctuating series of observations

    Publication Year: 1987 , Page(s): 7 - 11
    Cited by:  Papers (2)  |  Patents (2)
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    The author makes various observations on Albert Einstein's short note of 1914 ["Method for the determination of the statistical values of observations concerning quantities subject to irregular fluctuations," Arch. Sci. Phys. et Natur., 37, ser. 4, 254-56 (1914)] on methods of reducing fluctuating series of observations. He argues that it foreshadows the theory behind the Fast Fourier Transform (FFT). The paper seems not to have attracted much attention when it was given, and was soon nearly forgotten. In any case, the present author has found no reference to it, either in a bulky index of literature on the theory of time series or in the tens of monographs, symposia and detailed reviews on this topic that he has examined. Only in 1979, in connection with the worldwide observance of the Einstein centenary, did the East German H. Melcher draw attention to the existence of the little-known paper (without discussing its content). View full abstract»

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  • Paper abstracts

    Publication Year: 1987 , Page(s): 12 - 17
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  • IEEE News

    Publication Year: 1987 , Page(s): 18 - 20
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  • Dates ahead

    Publication Year: 1987 , Page(s): 21
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  • Chapter spotlight

    Publication Year: 1987 , Page(s): 22
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  • Ph.D. Abstracts

    Publication Year: 1987 , Page(s): 23 - 24
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  • Call for papers

    Publication Year: 1987 , Page(s): 25
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  • [Back cover]

    Publication Year: 1987 , Page(s): c4
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Aims & Scope

This Magazine ceased production in 1990. The current retitled publication is IEEE Signal Processing Magazine.

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