- Timestamp:
- Jul 12, 2016 6:59:38 AM (8 years ago)
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- master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload
- Children:
- 815f7b8
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src/sas/sasgui/perspectives/corfunc/media/corfunc_help.rst
r0390040 r2fe78566 71 71 highest value in the upper Q range, and the Porod tail-fit beyond this. The 72 72 joins between the original data and the Guinier/Porod fits are smoothed using 73 the algorithm below, to avoid the formation of ripples in the transform d data.73 the algorithm below, to avoid the formation of ripples in the transformed data. 74 74 75 Functions :math:`f(x_i)` and :math:`g(x_i)` where :math:`x_i \in \left\{ {x_1, x_2, ..., x_n} \right\}`76 , are smoothed over the range :math:`[a, b]` to produce :math:`y(x_i)`, by the 77 following equations:75 Functions :math:`f(x_i)` and :math:`g(x_i)` where :math:`x_i \in \left\{ 76 {x_1, x_2, ..., x_n} \right\}`, are smoothed over the range :math:`[a, b]` 77 to produce :math:`y(x_i)`, by the following equations: 78 78 79 79 .. math:: … … 93 93 If Fourier is selected for the transform type, the perspective will perform a 94 94 discrete cosine transform on the extrapolated data in order to calculate the 95 correlation function. The following algorit m is applied:95 correlation function. The following algorithm is applied: 96 96 97 97 .. math:: … … 103 103 ^^^^^^^ 104 104 If Hilbert is selected for the transform type, the perspective will perform a 105 Hilbert transform on the extrap lated data in order to calculate the Volume105 Hilbert transform on the extrapolated data in order to calculate the Volume 106 106 Fraction Profile. 107 107 … … 136 136 , as well as a red bar indicating the lower Q range (used for 137 137 back-extrapolation), and 2 purple bars indicating the upper qrange (used for 138 forwards-extrap lation) [figure 3]. These bars may be moved my clicking and138 forwards-extrapolation) [figure 3]. These bars may be moved my clicking and 139 139 dragging, or by entering the appropriate value in the Q range input boxes. 140 140
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