To: | <geraldj@weather.net>, Ten Tec <tentec@contesting.com> |
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Subject: | Re: [TenTec] NEC, ground, grounds, and radials. |
From: | James Duffer <dufferjames@hotmail.com> |
Reply-to: | Discussion of Ten-Tec Equipment <tentec@contesting.com> |
Date: | Fri, 7 Jan 2011 21:54:16 -0600 |
List-post: | <tentec@contesting.com">mailto:tentec@contesting.com> |
Doesn't those in the electronics world refer to that as the "j" operator? 73, Jim, wd4air > At my MS final oral I was asked to develop the fourier transform for a > sinewave. I knew the answer but the math professor (I should have known > better than to have had a retired head of the math department professor > emeritus on my committee!). I struggled with it not remembering the > exponential expression for a sinewave, he finally gave me that, but > e^it, not jt and I stood there for minutes (felt like hours) wondering > how I was going to integrate those currents in the exponents... Finally > I recognized that i wasn't a variable it was sqrt(-1),said "Ahah" and > rapidly scratched out the solution. I passed and went back for more > after trying to wear out a new wardrobe of green (not my choice). > > 73, Jerry, K0CQ > _______________________________________________ > TenTec mailing list > TenTec@contesting.com > http://lists.contesting.com/mailman/listinfo/tentec _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec |
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