Anyhow, it is easy to show there is no direct relationship between the health of the economy and the strength of the dollar. In fact, the recovery in the first half of the Clinton administration was based to a substantial extent on the idea that a lower deficit would lead to a lower valued dollar and therefore more net exports. And, this largely worked as shown below.
Then Robert Rubin took over at Treasury and pushed his high dollar policy giving us record trade deficits along with a stock and housing bubble. You know the rest of the story.