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Generating Reports and Postprocessing >
Viewing Matrix Data >
Exporting Matrix Data

Exporting Matrix Data

1. In the project tree, right-click the solution setup of interest, and then click Matrix Data on the shortcut menu.

The Solution Data window appears. The Matrix Data tab is selected.

2. Select the type of matrix you want to view: S-matrix, Y-matrix, Z-matrix, Gamma, or Z_o (characteristic impedance.)

3. Click Export Matrix Data.

A file browser appears.

4. Type the name of the file you are exporting to in the File name text box.

5. Select one of the following file formats from the Save as type pull-down list:

Format	Type	Description
(spreadsheet) *.tab	data table	A text file in which the elements of the S-matrix are arranged in a series of columns that are tab-separated and include a first row of headings. The file may be imported into a spreadsheet or similar utility.
*.sNp	Touchstone/Libra	A Touchstone S-parameter file in which the number of ports is indicated by n. For example, a Touchstone file with one port would have the file extension .s1p. When you export this format, you can specify: • the export reference impedance, • whether to renormalize the solution. If you want to export raw S-Parameter data for later use, you may choose to not renormalize the solution. If all ports and associated modes/terminals are normalized to the same impedance and you choose Do Not Renormalize Solution during export, the Touchstone file header will indicate the normalized impedance.
*.szg	Ensemble/Planar EM or Designer version 6 or later	A solution file read by Ensemble or Planar EM version 6 and later, Ansoft Designer version 6 and later, and Maxwell Strata version 1.1.
*.nmf	Neutral file format	Neutral file format defined by the MAFET Consortium.
*.m	MATLAB	The MathWorks MATLAB file format in which the elements of the S-, Y-, or Z-matrix are arranged in a series of rows.
*.cit	Citifile format

6. For Touchstone files, you see a Combine Sweeps option on the Export Network Data solution dialog. This lets you combine sweeps into a single output file if:

• The sweeps must contain interpolated data, so internally it must come from interpolating or fast sweeps.

• The files must not have overlaps or gaps in the frequencies. (They can meet at a single frequency. For example, you can combine sweeps from 8 to 10 GHz with sweeps from 10 to 12 GHz, but not sweeps from 9 to 11 GHz and 10 to 11 GHz, and not 8-10 GHz and 11-13GHz.)

1. Select the Combine Sweeps button to display a Combine Interpolating Sweeps For Export dialog with a list of sweeps.

2. Select the sweeps to combine and click Combine.

This closes the Combine Interpolating Sweeps for Export dialog.

3. Click Save.

The data is exported to the file.

• By default, wave ports are listed in alphabetical, then numerical order, just as they appear in the excitation tree. You can change this order to creation order and back without invalidating the solution on the Designer Options dialog.

• If you select Touchstone format, you are first presented with a dialog that asks you to specify the export reference impedance (an integer value) and whether to renormalize the solution.

Note

If you modify the display of solved frequencies in an Interpolating or Fast sweep under the Matrix Data tab (by clicking Edit Freqs and then modifying the values in the Edit Sweep dialog box,) only those frequencies listed will be exported to the file.

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