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*Radiation Pattern
*Field Sensor Observable
*EM.Grid
*Cartesian and Polar Graphs
|All versions|{{download|http://www.emagtech.com/downloads/ProjectRepo/EMTempo_Lesson1.zip EMTempo_Lesson1}} }}
== Plotting Scattering and Impedance Parameters ==
A list of all the 2D output data files generated at the end of a simulation can be viewed in [[EM.Tempo]]’s Data Manager. To open this dialog, click the <b>Data Manager</b> [[Image:fdtd_datamanagerb.png]] button of Simulate Toolbar, or use the keyboard shortcut {{key|Ctrl+D}}, or select the menu item '''Simulate &rarr; Data Manager'''. Select the file "DP_S11.CPX" from the list by clicking on its name and highlighting its row in the table. Click the {{key|Plot}} button of the dialog to open EM.Grid, [[EM.Cube]]'s plotting utility. A Cartesian graph pops up that shows the magnitude and phase of the S11 parameter. If you move the mouse around the graph, you can read the values of the graph on the Status Bar of the graph window. The figure below shows that the dip of the plot is at 977MHz with a value of -33.4dB
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[[Image:Tempo L1 Fig18.png|thumb|480px|left|Plot of the return loss (S11 parameter) in EM.Grid.]]
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Next, select the file "DP_Z11.CPX" from the list and plot it. This time EM.Grid the graph shows the real and imaginary parts of the Z11 parameter. It can be seen that at 977MHz, the input resistance of the dipole is 73.75&Omega;.
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[[Image:Tempo L1 Fig19.png|thumb|480px|left|Plot of the input impedance (Z11 parameter) in EM.Grid.]]
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== Plotting the 2D Radiation Pattern Graphs ==
[[EM.Tempo]]'s data manager also contains a list of 2D radiation pattern graphs of both Cartesian and polar types. Click the <b>Data Manager</b> [[Image:fdtd_datamanagerb.png]] button of Simulate Toolbar and plot the two files “FF_1_PATTERN_Cart_YZ.DAT” and “FF_1_PATTERN_Polar_YZ.ANG”. Note that you can make multiple file selections using '''Shift''' and '''Ctrl''' keys. Click the {{key|Plot}} button of the Data Manager dialog to plot both files in EM.Grid.
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