If your enclosed ‘s’ plane closed path includes only poles, then the path on the encirclement while in the $G(s)H(s)$ airplane will be opposite on the way in the enclosed shut route while in the ‘s’ plane. Attract the polar plot by different $omega$ from zero to infinity. If pole https://infopagex.com/story12879822/top-latest-five-heidenhain-urban-news