Data tip readout with frequency for Smithchart (RF toolkit)?

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Reto Zingg 2011-10-31

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/19953-data-tip-readout-with-frequency-for-smithchart-rf-toolkit

I plot a smith-chart using the RF toolbox function smithchart(). I place interactively a data cursor on the trace. Now I would like the datatip to show the frequency of the current point on the trace (besides the x, y coordinates). Is there a way to do this? This is a normal capability for other Smithchart plotting tools. Or in other words, more general, is there a way to display additional, independent data using a data cursor?

Thanks a lot for any help.