[quote=hk大飛]用兩路的dds可以,n2pk就是這樣做。
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剛到
http://www.miniradiosolutions.com/ 看過,發現以下一段文字。
第2項就是它解決正負號的方法了。
thanks to dan- ac6la the new version of zplots can read and control the minivna hardware, some additional futures to the original v229 are:
1. smith chart
2. resolving the x sign graphically
3. controlling the single grequency mode
4. setup from the control panel
5. several additional information usually available in the zplots program[/quote]
大飞能进一步解释吗?