[Antennaware] Equivalency.

bumerang boom bumerang.boom at yahoo.com
Thu Feb 26 19:45:01 PST 2009


When attempting to equivalate the triangle tapered tower body to a cylindrical structure, is not enough just to find the equivalent surfaces.

One has to consider also the fact that the cylindrical structure presents always  half of the surface to the incoming wave front while the triangle will not do this. This is to say that the illumination surface of your cylindrical sensor is always 1/2 while on the triangle is always less than 1/2 with worst case of 1/3 depending on the angle of the incident wave.

For transmitters this might not be important but on receive it will reduce the uV/m output by a corresponding amount.


BB
Without Wax



      


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