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              "value": "Most references to the Bartlett window come from the signal processing literature, where it is used as one of many windowing functions for smoothing values.  Note that convolution with this window produces linear interpolation.  It is also known as an apodization (which means\"removing the foot\", i.e. smoothing discontinuities at the beginning and end of the sampled signal) or tapering function. The Fourier transform of the Bartlett is the product of two sinc functions. Note the excellent discussion in Kanasewich. "
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    ".. [1] M.S. Bartlett, \"Periodogram Analysis and Continuous Spectra\",",
    "       Biometrika 37, 1-16, 1950.",
    ".. [2] E.R. Kanasewich, \"Time Sequence Analysis in Geophysics\",",
    "       The University of Alberta Press, 1975, pp. 109-110.",
    ".. [3] A.V. Oppenheim and R.W. Schafer, \"Discrete-Time Signal",
    "       Processing\", Prentice-Hall, 1999, pp. 468-471.",
    ".. [4] Wikipedia, \"Window function\",",
    "       https://en.wikipedia.org/wiki/Window_function",
    ".. [5] W.H. Press,  B.P. Flannery, S.A. Teukolsky, and W.T. Vetterling,",
    "       \"Numerical Recipes\", Cambridge University Press, 1986, page 429."
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