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In article , Cecil Moore
wrote: David or Jo Anne Ryeburn wrote: Simple isn't always right. Maybe in some other universe, all fields are conservative, but not in this one. It might help if the language was made more understandable. Isn't the problem in getting an absolute ground reference point at the end of the dipole? It is possible to model a 3D antenna with a 4th dimension ground "plane". Nope, that's not the problem. The language I am using is standard. To understand it, get out your multivariable calculus text, if you've kept it, or go to the library and borrow a good one. (Shameless plug: Howard Anton's Calculus book is a good one -- I helped debug it before publication.) Look up "independence of path" in the section on line integrals, and look up the related topic of "conservative vector fields". *That's* the problem, and not anything about ground references. What Roy is talking about is an important special case of lack of independence of path; there are many more examples. David -- David or Jo Anne Ryeburn To send e-mail, remove the letter "z" from this address. |
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