您好我想象，通过VB宏或可能是CSV导入，我应该可以在史密斯圆图上为VSWR构建一个恒定的Z圆=一些值（例如2,2,4,3等对应
典型的回报损失）。
我不知道如何编程VB宏，我不知道这种方法是否相关。
请有人建议（a）这是可能的吗？（b）我该如何去做？
它不必作为限制线 - 只是一个视觉参考，所以我可以看到我的轨迹有多少被包裹起来（在例如VSWR = 2圈内）。
一个固定的圆（VSWR = 2）就可以了，一个可调整的圆（用户从三个固定值中选择）会更好。
感谢您对此事的任何帮助
以上来自于谷歌翻译
以下为原文
Hello
I'm imagining that, via a VB macro or possibly a CSV import, it should be possible for me to construct a constant Z circle on the Smith chart for VSWR = some value (e.g. 2, 2.4, 3 etc. to correspond with typical return losses).
I don't know how to program VB macros and I don't know if that approach would be per
tinent. please couold someone suggest (a) is this possible and (b) how might I go about it?
It doesn't have to function as a limit line - just a visual reference so I can see how much of my locus is wrapped up (inside the e.g. VSWR=2 circle). A fixed circle (VSWR=2) would be fine, an adjustable one (user selects from three fixed values for example) would be even nicer.
Thanks for any help on this matter
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